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 Dr. Purnima Das
Faculty Profile • AAU

Dr. Purnima Das

Associate Professor
purnima.das [at] aau.ac.in Joined: 10 Nov, 2008 Warden, Hostel No. 12 AAU, Jorhat-13
196
Publications
13
Projects
6
Degrees
3
Career Milestones
15
Honours & Awards
Academic Background

Education & Career Milestones

Educational Qualifications
B. Sc.(Agri.)
1997
Assam Agricultural University, Jorhat-785013, Assam. India
M.Sc. (Agri.)
1999
Assam Agricultural University, Jorhat-785013, Assam. India
Specialization: Economic Entomology
Ph.D (Entomology)
2013
Department of Life Science. Dibrugarh University. Dibrugarh, Assam. India
Specialization: Biological Control ( Microbial Biopesticides, specially Entomopathogenic fungi)
Other Qualifications
2002
National Academy for Environmental Science, New Delhi
Specialization: Environment
Other Qualifications
2007
ICAR NET qualified
Specialization: Environment
Employment History
Subject Matter Specialist (Entomology)
10-11-2008 – 08-07-2011
Kajolgaon (Dist- Bongaigaon) & Khumtai (Dist- Golaghat)
Assam Agricultural University. Jorhat- 785013. Assam, India
Assistant Professor (Stage-III)
09-07-2011 – 31-12-2021
College of Agriculture, Assam Agricultural University. Jorhat- 785013. Assam, India
Jorhat
Associate Professor
01-01-2022 – Till date
College of Agriculture, Assam Agricultural University. Jorhat- 785013. Assam, India
Jorhat
Research & Scholarship
Scholarly Publications 196 Total Records
1
Priya Kaur; Purnima Das; Badal Bhattacharyya; Sudeshna Ray; Manuranjan Gogoi; Ratna Kalita; Robin Chandra Boro; Somnath Roy; Banna Ushasri; Abhilisa Mudoi (2026). Morphological and molecular characterization of Cordyceps javanica (Frieder. & Bally) Kepler and its in-vitro and in-vivo efficacy against tea mosquito bug, Helopeltis theivora waterhouse, Archives of Microbiology, 0(208), 0–0 DOI: https://doi.org/10.1007/s00203-026-05065-4
2
Binita borah; Purnima Das; Banna Ushasri; Surajit Kalita; Priyanka Saikia; Vaibhab D Lohot; Mohansundaram Arumugam (2026). Bionomics, morphometrics, and seasonal incidence of Eublemma amabilis Moore (Lepidoptera: Noctuidae) infesting lac insect under Assam conditions, Bulletin of Entomological Research, 0(0), 1–12 DOI: https://doi.org/ 10.1017/S0007485326101205
3
Uddipana Shandilya; Purnima Das; Sunayana Rathi; Partha Jyoti Borah; Banna Ushasri; Priyanka Saikia (2025). IMPACT OF GAMMA RADIATION ON RICE AGAINST INFESTATION OF RICE HISPA DICLADISPA ARMIGERA (OLIVIER), Indian Journal of Entomology, 88(0), 1159–0 DOI: 10.55446/IJE.2025.3384
4
Nirmali Borah; Lakshmi Kanta Hazarika; Purnima Das (2025). Age-specific variation of body mass and lipid reserves in Periplaneta americana (Blattodea: Blattidae), Journal of Entomological Research, 49(2), 532–536 DOI: 0.5958/0974-4576.2025.00089.4
5
Sudeshna Ray; Purnima Das; Sahidur Rahman; Manjranjan Gogoi; H K Devnath; Mudasir Gani; Priyanka Saikia; Partha P.G. Das; Banna Ushasri (2025). Compatibility of Cordyceps javanica (OM321438) strain with botanicals and insecticides against tea mosquito bug, Helopeltis theivora Waterhouse”, Journal of Biological Control , 38(4), 481–493 DOI: DOI: 10.18311/jbc/2024/43495
6
Nikita Saha; Purnima Das; Banna Ushasri; Priyanka Saikia; Karishma Das (2024). Exploration of three native strains of entomopathogenic fungi against rice yellow hairy caterpillar, Psalis pennatula (Lepidoptera: Lymantriidae) in Assam, Journal of Biological Control , 38(3), 302–306 DOI: DOI: 10.18311/jbc/2024/36150
7
A Mohanasundaram; K K Sharma; T Kandasamy; V D Lohot; J Ghosh; Purnima Das (2024). Assessment of Lac Diversity and Indigenous Technical Knowledge in North East Region of India, Indian Journal of Ecology , 51(2), 427–433 DOI: https://doi.org/10.55362/IJE/2024/4254
8
Purnima Das; Lakshmi Kanta Hazarika; Priyanka Saikia; Surajit Kalita; A Mohanasundaram; Kewal Krishnan Sharma (2023). Lac-based indigenous technical knowledge of Assam, Indian Journal of Traditional Knowledge, 22(0), 832–836 DOI: 10.56042/ijtk.v22i4.7236
9
Abhilisa Mudoi; Purnima Das (2023). Molecular characterization of gut bacteria of American cockroach and their interaction with white muscardine fungus., Journal of Entomological Research, 46(0), 1175–1178 DOI: 10.5958/09744576.2022.00200.
10
Himadri Chowsong; Surajit Kalita; Purnima Das; Lakshmi Kanta Hazarika; Priyanka Saikia (2023). Diversity and distribution of antennal sensilla of lac insect, Kerria chinensis (Hemiptera: Kerridae), International Journal of Tropical Insect Science , 43(2), 1–11 DOI: 10.1007/s42690-023-00986-9
11
Karishma Das; Purnima Das; Sahidur Rahman; Daisy Senapoty; Tankaswar Nath; Abhilisa Mudoi; Rupak Kumar Nath (2023). Impact of Climate Variables on Occurrence of Rice Earhead Bug,Leptocorisa oratorius (F.) (Hemiptera : Alydidae), International Journal of Environment and Climate Change, 13(11), 3140–3145 DOI: DOI: 10.9734/IJECC/2023/v13i113484
12
Uddipana Shandilya; Purnima Das; Dibyarishi Bhattacharjya (2022). Screening of gamma irradiated rice variety Ranjit Sub-1 against rice leaf folder, Cnaphalocrocis medinalis Guen. (Pyraustidae: Lepidoptera), Journal of Entomology and Zoology Studies, 10(5), 137–139 DOI: https://doi.org/10.22271/j.ento.2022.v10.i5b.9053
13
Purnima Das; Binita Borah; Priyanka Saikia; Lakhmi Kanta Hazarika; K K Sharma; A Mohanasundaram; Ratna Kalita; Robin Chandre Bora; T Gautom (2022). Molecular characterization of an Isaria fumosorosea (Wize) native strain, and its pathogenicity on Eublemma amabilis (Lepidoptera: Noctuidae, Egyptian Journal of Biological Pest Control , 32(122), 1–13 DOI: 10.1186/s41938-022-00624-5
14
Purnima Das; Binita Borah; Priyanka Saikia (2022). Bioefficacy of Thiocyclam Hydrogen Oxalate 50 SP against Major Pests of Rice., Pesticide Research Journal , 34(1), 46–49 DOI: doi :10.5958/2249-524X.2022.00009.7
15
Tanjil Rahman.; Purnima Das; Lakhmi Kanta Hazarika; Kewal Krishnan Sharma; Arumugam Mohanasundram; Somnath Roy (2021). Evaluation of certain plant hosts for the lac insect., International Journal of Tropical Insect Science, 0(0), 0–0 DOI: https://doi.org/10.1007/s42690-021-00438-2
16
Tanjil Rahman.; Purnima Das; Lakhmi Kanta Hazarika; Surajit Kalita; K K Sharma; A Mohanasundaram (2021). Exploration of Native Plants of Assam for Host Preference of Lac Insect Kerria Chinensis, Indian Journal of Entomology, 45(45), 1–6 DOI: 10.5958/0974-8172.2021.00176.0
17
Purnima Das; Binita Borah; Debjani Dey (2021). Rice yellow hairy caterpillar, Psalis pennatula Fabricius (Lymantriidae:Lepidoptera) an emerging pest of paddy in Assam’, J. ent. Res , 45(45), 1046–1049 DOI: DOI : 10.5958/0974-4576.2021.00167.5
18
Purnima Das; Debjani Dey; Binita Borah; Ankita Gupta (2021). New record of rice horned caterpillar, Melanitis leda (L.) larvae (Lepidoptera : Nymphalidae) parasitized by Catesia ruficrus (Halida)(Hymenoptera : Braconidae) from rice ecosystem of Assam, India, Insect Environment, 24(2), 280–282
19
Preetipuja Kashyap; Purnima Das; Kewal Krishnan Sharma; Arumugum Mohanasundaram; Lakshmi Kanta Hazarika (2020). Biology and morphometric study of Callosobruchus chinensis on seeds of Flemingia spp.: A host plant of lac insect., Journal of Entomology and zoology studies, 9(1), 1955–1959
20
Karishma Das; Purnima Das; Aasma Parveen; Robin Chandra Boro; Abhilisha Mudoi; Somnath Roy (2020). Molecular characterization of indigenous entomopathogenic fungus Beauveria bassiana, isolate and its virulence to Corcyra cephalonica (Stainton) (Lepidoptera: Pyralidae), International Journal of Tropical Insect Science, 0(0), 0–0 DOI: https://doi.org/10.1007/s42690-020-00421-3
21
Preetipuja Kashyap; Purnima Das; Kewal Krishnan Sharma; Arumugam Mohanasundaram; Sonal Kumar; Tanjil Rahman (2020). Evaluation of plant products against Callosobruchus chinensis infesting stored Flemingia macrophylla seeds, Indian journal of Entomology, 83(0), 0–0 DOI: DoI No.: 10.5958/0974- 8172.2021.00022.5
22
Somnath Roy; A. Babu; Gautam Handique; R. Dutta; A Bora; Purnima Das (2020). Stage specific differential expression of three detoxifying enzymes of larvae of tea defoliator, Hyposidra talaca Walker(Geometridae:Lepidopteta) and its bearing on their insecticide tolerance status, International Journal of Tropical Insect Science, 0(0), 0–0 DOI: Doi.org/10.1007/s42690- 020-00238-0
23
Purnima Das; Priyanka Saikia (2020). Success Story- A way forward to Lac cultivation, Biotica Research Today, 2(5), 291–293
24
Abhilisha Mudoi; Purnima Das; Lakhsmi Kanta Hazarika; Karishma Das; Somnath Roy (2019). Variations in hemocyte profile induced by Beauveria bassiana (Bals.) Vuill. In Periplanetaamericana (L.) (Blattodea: Ectobiidae), International Journal of Tropical Insect Science, 2020(40), 81–91 DOI: Doi 10.1007/s42690- 019-00054-1
25
Abhilisha Mudoi; Purnima Das; Lakhsmi Kanta Hazarika (2019). Hemocytes of Periplaneta americana (Blattodea: Blattidae), Journal of Entomological Research, 43(3), 397–400 DOI: DOI : 10.5958/0974-4576.2019.00070.7
26
Purnima Das; Rituraj Saikia; Lakshmi Kanta Hazarika; Athar Nishat Islam; Priyanka Saikia (2019). Effect of weather parameters on life cycle duration of lac insect (Kerria.spp.)( Kerridae: Hemiptera), Journal of Entomology and zoology studies, 7(3), 502–504
27
Rituraj Saikia; Purnima Das; Lakshmi Kanta Hazarika; Athar Nishat Islam; Surajit Kalita; Priyanka Saikia (2019). Species composition, relative abundance and diversity of ants associated with lac insect in Assam., International Journal of Current Microbiology and Applied Sciences, 8(4), 1852–1859 DOI:  https://doi.org/10.20546/ijcmas.2019.804.216
28
Purnima Das; Binita Borah; Priyanka Saikia; Sushmita Thokchom; Debjyoti Chakraborty (2019). Efficacy of Beauveria bassiana and Isaria fumosorosea against Eublemma amabilis(Noctuidae: Lepidoptera): A predator of lac insect, Kerria lacca (Kerr)., Journal of Entomology and zoology studies, 7(3), 1239–1241
29
Purnima Das; Rana Pratap Bhuyan; Uddipana Shandilya; Binita Borah; Bikash Jyoti Gharphalia (2019). Bio-efficacy and phytotoxicity of Sulfoxalor 50% WG against tea mosquito bug (Helopeltistheivora) and green fly (Empoascaflavescens) and its effect against natural enemies in tea., Journal of Entomology and zoology studies, 7(4), 224–229
30
Chitragupt Muraching; Purnima Das; K Satish; Lakshmi Kanta Hazarika (2018). Laboratory Evaluation of Leucas lavandulifolia Smith (Labiatae) Leaf Extracts Against Pulse Beetle,in Stored Green Gram Seed(Vigna radiate L.), International journal of Pure and Applied Biosciences, 6(5), 732–737
31
Nilaskhi Kakati; Pronab Dutta; Purnima Das; Palash deb Nath (2018). Compatibility of entomopathogenous fungi with commonly used insecticides for management of banana aphid transmitting banana bunchytop virus (BBTV) in Assam banana production system., International journal of current micro biology and applied sciences, 7(11), 2507–2513
32
Lakshmi Kanta Hazarika; Purnima Das; Rituraj Saikia; Athar Nishat Islam (2018). Settlement behavior of lac insects, Kerria lacca crawlers., Journal of Entomology and zoology studies, 6(6), 1267–1269
33
Abhilisa Mudoi; Purnima Das; Lakshmi Kanta Hazarika (2018). Beauveria bassiana (Bals.) Vuill. Strain pathogenic to Periplaneta americana ., Journal of Entomology and zoology studies, 6(2), 903–907
34
Surajit Kalita; Lakshmi Kanta Hazarika; Purnima Das; Karishma Das (2018). Efficacy ofChromolaena odorata leaf powder and Beauveria bassiana against stored grain pests, Indian Journal of Entomology, 80(3), 1005–1010
35
Purnima Das; Surajit Kalita; Lakshmi Kanta Hazarika (2017). Tea clonal preference by Helopeltis theivora (Hemiptera: Miridae), Journal of Entomology and zoology studies, 5(6), 97–103
36
Chitragupt Muraching; Purnima Das; K Satish; Lakshmi Kanta Hazarika (2017). Bio-efficacy of Ocimum sanctum L. (Lamiaceae) leaf extract against pulse beetle (Callosobruchus chinensis L. 0 ( Coleoptera : bruchidae) in stored green gram ( Vigna radiate L.), Journal of Entomology and Zoology Studies, 5(4), 586–590
37
Abhilisa Mudoi; Purnima Das; Lakshmi Kanta Hazarika (2017). Pathogenicity of Beauveria bassiana (Bals.) Vuill. (KR855715) against Periplanetaamericana(L.), Journal of Entomology and Zoology Studies, 5(4), 1516–1519
38
Chitragupt Muraching; Purnima Das; K Satish; Lakshmi Kanta Hazarika (2017). Bioefficacy of Bael( Aeglemarmelos) Correa ( Rutacear) leaf extract against pulse beetle ( Callosobruchus chinensis L. in stored green gram ( Vigna radiate L.)., International Journal of Current Microbiology and Applied Sciences , 6(8), 2067–2075
39
Purnima Das; Lakshmi Kanta Hazarika; Karishma Das (2017). Combined effect of nutrients, stickers and spreaders on biological parameters of Beauveria bassiana (Bals.) Vuill. and its efficacy against Cnaphalocrocis medinalis(Guenee, Annals of Plant Protection Sciences, 25(2), 239–243 DOI: DOI :10.5958/0974-0163.2017.00002.7
40
Purnima Das; Lakshmi Kanta Hazarika; Karishma Das (2017). Beauveria bassiana : a potential entomopathogenic fungi from Yellow Tail Tussock moth and Black fly, Annals of Plant Protection Sciences, 25(2), 416–444
41
Surajit Kalita; Lakshmi Kanta Hazarika; Purnima Das (2016). Bio-efficacy and field test of Chromolaena od orata extract alone and with Beauveria bassiana against Rice hispa, Dicladispa armigera., Annals of Plant Protection Sciences, 24(2), 295–297
42
Chitragupt Muraching; Purnima Das; Surajit Kalita (2016). In vitro compatibility and combined effect of Beauveria bassiana (deuteromycetes) and Phlogocanthus thyrsiflorusNees (Acanthaceae) against Callosobruchus chinensis (L.) (Coleoptera: Bruchidae)., Pestology, 11(6), 46–50
43
Dilip Kumar Saikia; Rudra Narayan Borkakati; Purnima Das (2016). Comparative study of BIPM package of rice over farmers practice., Pestology, 11(2), 56–58
44
Simantini Borkataki; Purnima Das; Rajib Lochan Deka; Karishma Das; Samar Hazarika (2016). Occurrence of aphis craccivora on Clerodendrum indicum-A new record from North East India., Res. on Crops, 17(1), 169–171 DOI: DOI: 10.5958/2348-7542.2016.00030.9
45
Simantini Borkataki; Purnima Das; Abhijit Sharma; Samar Hazarika; Karishma Das (2016). Insect- pest complex of Clerodendrum indicum (L.) Kuntze in North- East India, International Journal of Tropical Agriculture , 34(5), 1337–1340
46
N Mazumder; S. Gogoi; Purnima Das; P Bora (2015). A new record of mango weevil, Hypomeces squamosusus (F) (Coleoptera: Curculionidae )on young mango plant from Assam, Ins. Envi, 21(2), 24–26
47
Surajit Kalita; Purnima Das; Lakshmi Kanta Hazarika; Pronab Dutta; Gautam Handique; Karishma Das (2015). In vitro compatibility of entomopathogenic fungi, Beauveria bassiana(bals.- criv.) vuill. with leaf extracts of chromolaena odorata (Asteraceae)., Res. on Crops , 17(1), 157–162
48
N Mazumder; S Gogoi; Purnima Das; P Bora (2015). A new record of ber weevil, Xanthochelus faunus Olivier (Coleoptera: Curculionidae )on young ber plant (Ziziphus mauritiana Lamk) from Assam, Ins. Envi, 21(2), 21–23
49
N. Mazumder; Satyendra Kumar Dutta; P. Bora; S. Gogoi; Purnima Das (2014). Record of litchi weevil, Myllocerus discolor (Coleoptera: Curculionidae) on litchi (Litchisinensis Sonn. (Sapindaceae) from Assam, Ins. Envi, 20(1), 29–31
50
Purnima Das;; Lakshmi Kanta Hazarika; Surajit Kalita (2014). Leucas lavandulifolia Smith (Labiatae), a Botanical forTea Red SpiderMite Oligonychus coffeaeNietner (Acarina:Tetranychidae) management, Pesticide Res. J, 27(1), 41–46
51
Purnima Das; Satyendra Kumar Dutta; Keshob Chandra Puzari; Gautam Handique; D.K. Sarmah; Pranab Dutta (2014). First report of Lycoriella sp. On oyster mushroom from North East India, International Journal of Plant Protection , 7(1), 78–81
52
Purnima Das; Lakshmi Kanta Hazarika; D. Bora; Keshob Chandra Puzari; Surajit Kalita (2013). Influence of storage conditions on viability and infectivity of talc based WP formulation of Beauveria bassiana against rice hispa, Dicladispa armigera(Olivier), Journal of Biological Control , 21(3), 229–233
53
Purnima Das; Satyendra Kanta Dutta; Gautam Handique (2013). Influence of physical traits of certain green gram varieties on the life parameters of leaf folder(Nacoleia vulgalisGuen.)., International Journal of Plant Protection , 4(1), 159–162
54
Purnima Das; S. Saikia; Surajit Kalita; Lakshmi Kanta Hazarika; Satyendra Kumar Dutta (2012). Effect of temperature on biology of red spider mite (Oligonychus coffeae) on three different TV clones., Indian Journal of Agricultural Sciences , 82(3), 255–259
55
Pranab Dutta; Keshob Chandra Puzari; Lakshmi Kanta Hazarika; Purnima Das (2012). Natural occurence of Entomopathogenous fungi and its pathogenicity to insects of North east India., Pestology, 36(2), 37–39
56
Das Purnima; Lakshmi Kanta Hazarika; Dilip Bora; Keshob Chandra Puzari; Pronab Dutta (2012). Effect of Temperature on radial growth, Sporulation, Germination, colony forming unit and biomass production of different strains of Beauveria bassiana Vuill.(Bals.)., Pestology, 35(12), 50–55
57
Purnima Das; Lakshmi Kanta Hazarika; Dilip Bora; Keshob Chandra Puzari; Pranab Dutta (2012). Mass production of BeauveriabassianaVuill. For the management of rice hispa, Dicladispa armigera (Olivier)., Journal of Biological Control , 26(4), 347–350
58
Joyarani Pegu; Pranab Dutta; Keshob Chandra Puzari; Palash Deb Nath; Purnima Das (2012). First report of Metarrhizium anisopliae (Metachnikoff) Sorokin on cowpea Aphid (Aphis craccivoraKoch) (Homoptera: Aphididae) from North East India., Journal of Mycology and Plant Pathology, 42(1), 174–175
59
Purnima Das; Lakshmi Kanta Hazarika; D.S Bora; Keshob Chandra Puzari; Pranab Dutta (2011). Screening biological traits of twenty three Beauveria bassiana strains against rice hispa, Dicladispa armigera(Olivier) (Coleoptera: Chrysomelidae), Insect Environment , 17(3), 128–129
60
Pranab Dutta; A.K Singha; Purnima Das; Surajit Kalita (2011). Management of brinjal fruit and shoot borer, Leucinodes orbanalis in agro-ecological condition of West Tripura., Scholarly Journal of Agricultural Science , 1(2), 16–19
61
Pranab Dutta; Purnima Das; Keshob Chandra Puzari (2008). A new record of Mushroom feeding Lepidopteran pest, J. Nat. & Environ, 1(0), 18–23
62
Badal Bhattacharya; A.A.L.H Baruah; Lakshmi Kanta Hazarika; U Bhuyan; Purnima Das. (2008). Ants of Assam, Insect Environment , 13(4), 181–182
63
Badal Bhattacharya; A.A.L.H Baruah; U Bhuyan; Purnima Das. (2008). Soil Sampling of white Grubs in Green gram., Insect Environment , 13(4), 184–186
64
Badal Bhattacharya; Lakshmi Kanta Hazarika; U. Bhuyan; A.A.L.H Baruah; Purnima Das. (2008). Management of Termites in Ratoon crop of Sugarcane in Assam, Insect Environment , 13(4), 191–192
65
Badal Bhattacharya; A.A.L.H Baruah; U. Bhuyan; Purnima Das. (2007). Management of Termites in Preserved setts of Sugarcane in Assam., Pesticide Research Journal , 19(1), 45–46
66
Lakshmi Kanta Hazarika; Purnima Das; B. Ahmed; S Saikia; Surajit Kalita (2007). Pathogenicity of Nuclear polyhedrovirus(NPV) to Bunch Caterpillar, Andreca bipunctata, an important Lepidopteran Pest of Tea, Pestology, 31(12), 17–20
67
Surajit Kalita; D.C Rabha; Purnima Das; Lakshmi Kanta Hazarika (2007). Spiromesifen and Fenpyroximate, two new Acaricides against the red spider mite, Oligonychus coffeaeNietner of Tea, Pestology, 31(6), 27–29
68
Badal Bhattacharya; Purnima Das; A. A. L. H Baruah; Lakshmi Kanta Hazarika; U. Bhuyan; Keshob Chandra Puzari; Pranab Dutta (2007). Record of entomopathogen on potato cut worm, Agrotisipsilon Hufgl in Assam, J. Insect Env, 1(12), 17–20
69
Badal Bhattacharya; A.A.L.H Baruah; Purnima Das; U. Bhuyan . (2007). Field efficacy of Beauveria bassiana (Bals.) Vuill. And Metarhizium anisopliae (Metsch.)Sorok against white grubs in Assam, J. biological control, 22(1), 81–84
70
Badal Bhattacharya; A.A.L.H Baruah; U. Bhuyan; Purnima Das. (2006). Trichogrammachilonis Ishii- a Potential Egg Parasitoid of Agrotis ipsilon Rott in Assam, India., Insect Environment, 12(2), 77–78
71
U. Bhuyan; Badal Bhattacharya; A.A.L.H Baruah; Purnima Das. (2006). Avian Predators of White Grubs in Assam., Insect Environment, 12(2), 69–70
72
Keshob Chandra Puzari; Lakshmi Kanta Hazarika; Pranab Dutta; Purnima Das (2006). In vitro inhibition of Beauveriabassiana(Bals.) Vuill. Growth by different commonly used insecticides in rice., Journal of Biological Control , 20(1), 51–56
73
Keshob Chandra Puzari; Lakshmi Kanta Hazarika; Pranab Dutta; Purnima Das (2006). Compatibility of Beauveria bassiana with different common insecticides, Journal of Biological Control , 20(1), 0–0
74
Lakshmi Kanta Hazarika; Badal Bhattacharya; Surajit Kalita; Purnima Das. (2005). BT as a Biocide and its role in management of Tea pests, International Journal of Tea Science , 4(3), 7–16
75
Keshob Chandra Puzari; Lakshmi Kanta Hazarika; Pranab Dutta; Purnima Das (2004). Improvement of Shelf life of Beauveria bassiana (Bals.)Vuill. On chitin Supplemented Medium., Science and technology for Regional Developement: Case for North-East India , 0(0), 192–195
76
Keshob Chandra Puzari; Pranab Dutta; Lakshmi Kanta Hazarika; Purnima Das (2003). Entomogenous fungus from NE India- II., Bioved, 14(1), 105–106
77
Keshob Chandra Puzari; Pranab Dutta; Lakshmi Kanta Hazarika; Purnima Das (2003). Shelf life and virulence of Beauveria bassiana at different storage condition., Indian. J. Agril. Sci, 73(10), 542–545
78
Purnima Das; Satyendra Kumar Dutta (2002). Association of physical traits of green gram varieties with leaf parameters of Aphis craccivora Koch., New Agriculturist, 13(12), 0–0
79
Purnima Das; Satyendra Kumar Dutta (2002). Influence of Meterological factors on the infestation of Aphis craccivora Koch in green gram varieties., Journal of Agricultural Science Society North East India , 15(1), 82–85
80
Purnima Das; Satyendra Kumar Dutta (2001). Relationship of infestation and fecundity of Nacoleia vulgalis Guen and Aphis craccivora Koch with phosphorus and potassium contents of green gram leaf., Crop Research , 22(1), 43–48
81
Purnima Das; Satyendra Kumar Dutta (2000). Developement and reproduction of Nacoleia vulgalis Guen on green gram varieties., Journal of Agricultural Science Society North East India, 13(2), 122–126
82
Purnima Das; Satyendra Kumar Dutta (2000). Infestation of Nacoleia vulgalisGuen. on green gram varieties , Journal of Agricultural Science Society North East India, 13(1), 16–21
83
Purnima Das; Satyendra Kumar Dutta (2000). Relationship of total N and phenol content of green gram leaf with infestation & fecundity of Aphis craccivora Koch and Nacoleia vulgalis Guen., Insect Environment, 5(4), 163–0
84
Purnima Das; Satyendra Kumar Dutta (1999). Comparative biology of Aphis craccivora Koch on some green gram varieties., Journal of Agricultural Science Society North East India , 12(2), 185–190
85
Karishma Das; Purnima Das; Surajit Kalita; Simantini Borkataki; Samar Hazarika (0). Study on duration of instars and morphometrics of Corcyra cephalonica (Stainton), Res.on Crops, 17(2), 395–397 DOI: doi :10.5958/2248-7542.2016.00065.6
1
Das, P.; Hazarika, L.K.; Saikia, P.; Kalita, S. and Sharma, K.K. (2023). Science and Practice in Lac Culture. Narendra Publishing House,, C-21,Varun Apartment, Sector-9,Rohini, NewDelhi-110085, ISBN: ISBN 978-93-56512-45-0
2
Hazarika, L.K.; Kalita, S.; Das, P. and Borah, B.K. (2019). Insect Immunology and Pest management. Diamond creation, Diamond creation,21,North Basti Harphool Singh, SadarThana Road,Newdelhi-110006, ISBN: 978-93-84863-88-3
1
Saikia, P.; Das, P. and Ushasri, B. (2025). “Natural Resin to Protective Coating : The Journey of Shellac” , in: Bhorali, P.; Rahman, N. and Kalita, R. Borkakati, R.N.; (Eds.), Multidisciplinary Approaches in Crop Improvement and Sustainable Management, , Elite Publishing , ,H-1/60,Sector-16,Rohini,New Delhi-110089. , pp 107–117, ISBN: ISBN: 978-93-71089-56-2.
2
Das, P.; Ushasri, B.; Saikia, P. and Devi, G.T. (2026). “Lac dye: An eco-friendly approach for dyeing Assam pride silk”, in: Gogoi, N.; Bhuyan, S.; Boruah, S. (Eds.), Empowering India’s Youth on Sustainable Innovation and Future-Ready Skills in Textiles for Livelihood Resiliency, AkiNik Publications,, 169, C-11, Sector - 3, Rohini, Delhi-110085, India ., pp 49–58, ISBN: ISBN: 978-93-7150-713-4 ,.
3
Saikia, P.; Das, P.; Borah, K. and Bora, S.S. (2025). Shellac : A Unique Gift of Nature, in: Saikia, D.; Borah, K.; Hazarika, P.P. and Pun, K.B. Kakati, P.; (Eds.), DYNAMIC AGRICULTURE Problems and Way Forward (Volume-1), Integrated Publication, H.No-3,Pocket-H34,Sector-3; Rohani, Delhi-110085,India, pp 343–352, ISBN: Paperback ISBN: 978-93-58.
4
Das, P. and Ray, S. (2025). Management of Folder (Cnaphalocrocis medinalis Guenee)- A Devastating Pest of Low Land Rice in India., in: Sehgal, M. and Dutta, P. Rahman, N.; Chakraborty, A.; (Eds.), Integrated Pest for Key Crops : Sustainable Strategies for Agroecological Condition in Northeast India., Biotica, Ward No-14, Ganki, Tripura-799201, India (Registered Office) U 2601, 251 Jarvis street, Toronto, Canada, M5B0C3 (Editorial Office), pp 181–196.
5
Das, P.; Hazarika, L.K.; Puzari, K.C.; Bora, D. and Ray, S. (2024). Study on Effect ofStorage Condition of Beauveria bassiana WP Formulation on its Survival Rate and Infectivity to Rice hispa,Dicladispa armigera (Olivi, in: Lima, P.M.R.D.; (Ed.), Contemporary Research Perspectives in Biological Science., B/P/International, India: Guest House Road, Street no - 1/6, Hooghly, West Bengal, India (Reg. Address), Diamond Heritage Building, 16, Strand Road, Kolkata, 700001 West, pp 142–158, ISBN: ISBN 978-93-48388-41-4 (P.
6
Das, K.; Das, P.; Nath, R.K. and Sharma, P. (2024). Microbial Insecticides and their Potential Use in Insect Pest Management, in: Brahma, S.; Upadhyay, V.; Nath, R.K. and Sarma, R. Devi, E.P.; (Eds.), ADVANCE IN ORGANIC FARMING , Crop Production and Managment, Apple Academic Press, Apple Academic Press,1265 Goldenrod Circle,NE, Plam Bay, FL 32905 USA,760 Laurentian Drive, Unit19,Burlington. ON L 7N 0A4,Canada, pp 565–580, ISBN: 978-1-77491-754-1,(hbk), .
7
Das, P.; Pathak, P.K.; Borah, P.J.; Saikia, P. and Bora, J.L. (2023). Mutation Breeding And Its Importance In The Field Of Agriculture- A Review, in: Pradeepa, K.N.; Bose, A.C.; Murugesan, N.; Malar, A.T. (Eds.), AdvancesIn Insrct Science, STAC PUBLISHERS, S.THANGSPAZHAM AGRICULTURAL COLLEGE,VASUDEVANALLUR-627758, pp 16–39, ISBN: 978-81961520-0-0.
8
Das, K.; Das, P. and Nath, R.K. (2024). Biochemical Pesticides: A New Dimension in Insect Pest Management for Sustainable Agriculture, in: Sakhare, D.T.; (Ed.), Advance in Multidisciplinary Research andDevelopment (Volume-10), Scripown Publication, 2ndFloor,304 & 305,Pocket-4,Sector-22,Rohini,NorthWest Delhi,Delhi,India, pp 158–173, ISBN: 978-93-94375-78-9.
9
Das, K.; Das, P. and Nath, R.K. (2024). Insects as Biofuel, in: Naresh, R.K.; (Ed.), Research Trends in Agriculture Sciences (Volume-36), AkiNik Publications, 169,C-11,Sector-3,Rohini, Delhi-110085,India, pp 39–50, ISBN: 978-93-6135-904-0.
10
Kashyap, P. and Das, P. (2021). “Biosecurity And Incursion Management in Recent Advances in Entomology, in: Rahman, A. and Gogoi, I. Borkataki, S.; (Eds.), Recent Advances in Entomology, Narendra Publishing House,, Delhi, India., pp 349–360.
11
Das, K. and Das, P. (0). RNAi Interference (Rnai)Technology And Its Use For Insect Pest Management , in: Rahman, A. and Gogoi, I. Borkataki, S.; (Eds.), Recent Advances in Entomology, Narendra Publishing House,, Delhi, India., pp 219–229.
12
Borah, B. and Das, P. (2021). “Bioremediation Of Pesticides” , in: Ataur, and Rahman, , ; Gogoi, I.; Borkataki, S.; (Eds.), Recent Advances in Entomology, Narendra Publishing House,, Delhi, India., pp 43–67.
13
Puzari, K.C.; Dutta, P.; Hazarika, L.K. and Das, P. (0). Efficacy of Beauveria bassiana( Bals.) Vuill. –A potential Entomopathogen against Rice Hispa (Dicladispa armigera Olivier) , in: Datta, M.; Daschoudhary, D.; Ngachan, S.V. (Eds.), Climatic variability Impacts on Agriculture and Allied sector, New India Publishing Agency, New Delhi , pp 25–30.
14
Hazarika, L.K.; Kalita, S. and Das, P.. (2017). Insect cellular and molecular defense, in: Hazarika, L.K.; (Ed.), Molecular Insect Science, New India Publishing Agency, New Delhi, pp 12–16.
15
Das, P.; Hazarika, L.K.; Kalita, S.; Gharphalia, B.J. and Borah, P. (2018). Lecus lavandulifolia Smith (Labiatae) – a Green pesticide for red spider mite management in tea, in: Naresh, R.; (Ed.), Research trends in Agricultural Science, AKINIK PUBLISHING, New Delhi, pp 71–92.
16
Das, P.; Hazarika, L.K.; SurajitKalita, and Roy, S. (2019). Current State of fungal antagonists with special emphasis on Indian Scenario., in: Khan, M.A.; Ahmad, W.; (Eds.), Microbes for sustainable Insect Pest Management, Sustainability in plant and crop protection., Spinger Nature, Switzerland, pp 365–385, ISBN: 978-93-91215-23-1.
17
Hazarika, L.K.; Das, P. and Saikia, P. (2020). Tea industry is threatened by mosquito bug: How to mitigate it?, in: , ; (Ed.), Frontier Research in Applied Zoology and Insect Pest Management Strategies”in XVII AZRA International Conference , UAS,Karnataka, AZRA, Odisha, Entomological society of India, New Delhi, UAS Raichur ,Karnataka., pp 188–202.
18
Das, P.; Hazarika, L.K. and Bora, D. (2021). Study on Mass Production of Beauveria bassiana(Bals.) Vuill. for the Management of Rice Hispa, Dicladispa armigera(Olivier), in: Basu, M.; (Ed.), Cutting-edge Research in Agricultural Sciences , B P International , Guest House Road, Street no - 1/6, Hooghly, West Bengal, India & Third Floor, 207 Regent Street, London, W1B 3HH, United Kingdom, pp 100–106, ISBN: Print ISBN: 978-93-91215-.
1
Krishna, K.B. (2026). Impact of Habitat Manipulation on The Insect Pest and Natural Enemy Complex of Rapeseed.. M.Sc. (Agri.) thesis submitted to Department of Entomology, Assam Agricultural University, Jorhat-785013, Assam
2
PRASANNA, B. (2025). EFFECT OF GAMMA IRRADIATED MUTANT LINE OF RICE AGAINST RICE LEAF FOLDER (Cnaphalocrocis medinalis Guenee). M.Sc thesis submitted to Department of Entomology, Assam Agricultural University, Jorhat-785013, Assam
3
Pathak, R.R. (2025). Field evaluation of Cordyceps javanica against tea mosquito bug, Helopeltis theivora Waterhouse (Hemiptera: Miridae). M.Sc thesis submitted to Department of Entomology, Assam Agricultural University, Jorhat-785013, Assam
4
Devi, G.T. (2024). Value addition of lac dye and resins from Kerria lacca Kerr.. Ph.D (Agri.) thesis submitted to Department of Entomology, Assam Agricultural University, Jorhat-785013, Assam
5
Ray, S. (2023). Combined effect of entomopathogenic fungus with botanicals and insecticides against Helopeltis theivora Waterhouse (Hemiptera : Miridae). M.Sc thesis submitted to Entomology, Assam Agricultural University, Jorhat
6
Borah, B. (2022). Bio-ecology of Eublemma amabilis Moore and evaluation of certain entomopathogenic fungi for its management. Ph.D thesis submitted to Department of Entomology, Assam Agricultural University, Assam Agricultural University, Jorhat-785013,Assam
7
Saha, N. (2022). Evaluation of Native Entomopathogenic fungi againstsome Lepidopteran pests of Rice. M.Sc thesis submitted to Department of Entomology, Assam Agricultural University, Assam Agricultural University, Jorhat-785013,Assam
8
Kaur, P. (2022). Bioformulation of entomopathogenic fungus against Helopeltis theivord Waterhouse (Hemiptra : Miridae). M.Sc thesis submitted to Department of Entomology, Assam Agricultural University, Assam Agricultural University, Jorhat-785013,Assam
9
Das, K. (2021). Interaction of Beauveria bassiana (Bals.) Vuill. with Leptocorisa oratorius Fab. (Hemiptera: Alydidae) with special reference to chitinase. Ph.D (Agri.) thesis submitted to Department of Entomology, Assam Agricultural University, Jorhat-785013, Assam
10
Shandilya, U. (2020). Effect of gramma irradiated seeds of rice variety (Ranjit sub-1) Against major pests of rice. M.Sc. (Agri.) thesis submitted to Department of Entomology, Assam Agricultural University, Jorhat-785013, Assam
11
Rahman, T. (2019). Study on native plants as hosts of Lac insect, Kerria chinensis (Mahdihassan). M.Sc. (Agri.) thesis submitted to Department of Entomology, Assam Agricultural University, Jorhat-785013, Assam
12
Kashyap, P. (2019). Management of Callosobruchus chinesis (L.) (Coleoptera: Bruchidae) - a stored grain pest of Flemingia macrophylla(willd) and Flemingia semialata(Roxb). M.Sc. (Agri.) thesis submitted to Department of Entomology, Assam Agricultural University, Jorhat-785013, Assam
13
Saikia, P. (2018). Life cycle of lac insect on different host plants in Assam condition. M.Sc. (Agri.) thesis submitted to Department of Entomology, Assam Agricultural University, Jorhat-785013, Assam
14
Borah, B. (2017). Development of bio-intensive integrated pest management module against insect pests of rice.. M.Sc. (Agri.) thesis submitted to Department of Entomology, Assam Agricultural University, Jorhat-785013, Assam
15
Mudoi, A. (2016). Interaction of Beauveriabassiana( bals.) Vuill.on haemocytes of Periplanata Americana (L.). M.Sc. (Agri.) thesis submitted to Department of Entomology, Assam Agricultural University, Jorhat-785013, Assam
16
Murasing, C. (2015). Combined effect of botanicals and Beauveria bassiana (Bals.)Vuill. On Callosobruchus chinensisL.. M.Sc. (Agri.) thesis submitted to Department of Entomology, Assam Agricultural University, Jorhat-785013, Assam
17
Das, K. (2015). Study on pathogenicity of Beauveria bassiana(Bals) Vuill against Corcyra cephalonica.(Stainton). M.Sc. (Agri.) thesis submitted to Department of Entomology, Assam Agricultural University, Jorhat-785013, Assam
18
Borkotoki, S. (2014). Studies on pest complex of certain medicinal and aromatic plants with special reference to clerodendrum indicum (l.) kuntze. M.Sc. (Agri.) thesis submitted to Department of Entomology, Assam Agricultural University, Jorhat-785013, Assam
1
Borah, R.; Hazarika, L.K..; Das, P. and Gogoi, I. (2015). Influence of Host diets on Tritrophic Interaction of Corcyra cephalonica (Stainton) in biology and performance of Bracon hebetor Say, National Seminar on 60th Annual Technical Session of Assam Science Society, on “Harnessing Science for Societal Development, AAU, Jorhat, Assam , AAU, Jorhat, Assam, AAU, Jorhat, Assam, Vol. 0(0), 0 - 0.
2
Hazarika, L.K..; Das, P. and Borah, R. (2015). Likely impact of climate change on developing IPM technologies, National Entomology Meet, ICAR, IINRG, Namkum, Ranchi , Society of Advancement of National Resins and Gums, ICAR, IINRG, Namkum, Ranchi, Vol. 0(0), 0 - 0.
3
Hazarika, L.K..; Das, P.; Das, K. and Mudoi, A. (2015). Evaluation of efficacy of Chromolaena odorata leaf extract against rice leaf folder, Cnaphalocrocis medinalis and its impact on Non Target Organisms T, National Seminar on 60th Annual Technical Session of Assam Science Society, on “Harnessing Science for Societal Development, AAU, Jorhat, Assam , AAU, Jorhat, Assam, AAU, Jorhat, Assam, Vol. 0(0), 0 - 0.
4
Kalita, S.; Das, P.; Hazarika, L.K.; Borah, R. and Borkataki, S. (2015). Relative toxicity of Chromolaena odorata leaf powder and Beauveria bassiana Bals. Vuill against Sitophilus oryzae and Tribolium –A major stored grain , National Seminar on 60th Annual Technical Session of Assam Science Society, on “Harnessing Science for Societal Development, AAU, Jorhat, Assam , AAU, Jorhat, Assam, AAU, Jorhat, Assam, Vol. 0(0), 0 - 0.
5
Borkataki, S.; Das, P.; Taye, R.R. and Hazarika, S.. (2015). Biology and host variability of black inch worm- Hyposidra talaca walker (Geometridae: Lepidoptera), a major polyphagous pest on NE India, National Seminar on “Plant Protection in Tea” , Tocklai Tea Research Institute , Tocklai Tea Research Institute, Tea Research Association, Tocklai Tea Research Institute, Vol. 0(0), 0 - 0.
6
Kalita, S.; Hazarika, L.K.; Das, P.; Boruah, N.C. and Gogoi., N. (2015). Aegle marmelose –A botanical acaricide against tea red spider mite, National Seminar on “Plant Protection in Tea” , Tocklai Tea Research Institute , Tocklai Tea Research Institute, Tea Research Association, Tocklai Tea Research Institute, Vol. 0(0), 0 - 0.
7
Kalita, S.; Hazarika, L.K.; Das, P.; Gogoi, I. and Borkakati, S. (2014). Indigenous Technological Knowledge– A science based Technology and its impact on rice pest management, National Seminar on Science ,technology and Their impact on society with special reference to North East India, Department of Sociology, Jorhat College, Jorhat , Department of Sociology, Jorhat College, Jorhat , Department of Sociology, Jorhat College, Jorhat , Vol. 0(0), 0 - 0.
8
Borkataki, S.; Das, P.; Deka, R.L.; Barua, I.C. and Saud, B. (2014). Influence of weather factors on incidence and intensity of Black inch worm (Hyposidra talaca Walker)on Clerodendrum indicum (L.) Kuntze at Jorhat, International Symposium on “New-Dimensions in Agrometeorology for Sustainable Agriculture (NASA-2014),, G.B.P.U.A. & T, Pantnagar , , , Vol. 0(0), 0 - 0.
9
Das, P.; Dutta, S.K.; Puzari, K.C.; Handique, G.; Sarmah, D.K. and Dutta, P. (2012). A new record of fungus gnat (Lycoriella sp.) (Dipera: Sciaridae) on oyster mushroom from North East India, National seminar on Horticulture for Livelihood Security Economic Prosperity and Sustainable Development, , Mizoram University in collaboration with Department of Science and Technology , , Vol. 0(0), 0 - 0.
10
Dutta, P.; Puzari, K.C.; Bhuyan, R.P.; Nath, D.J.; Das, P.; Kakati, N.; Gogoi, D.; Borthakur, S. and Pegu, J.. (2012). Comaptibility Metarhizium anisopliae (metsch.) sorokinwith pesticides used in tea cultivation, 34th Annual Conference and Symposium Crop Disease Management: Advances and Challenges, , , , Vol. 0(0), 0 - 0.
11
Das, P.; Dutta, S.K. and Dutta, P. (2011). Association of physical traits of green gram varieties against Nacoleia vulgalis Guen. , in 1st Tripura Science congress , Tripura , , , Vol. 0(0), 0 - 0.
12
Das, P.; Hazarika, L.K.; Bora, D.; Puzari, K.C. and Dutta, P. (2011). Mass Production of Beauveria bassiana in different agricultural waste products, 56th technical session of Assam Science society, Dibrugarh University, Dibrugarh , Dibrugarh University, Dibrugarh, , Vol. 0(0), 0 - 0.
13
Das, P.; Hazarika, L.K. and Bora, D. (2011). Effect of four different temperature on radial growth, sporulation, germination, Colony Forming Unit and biomass production of twenty three different , 56th technical session of Assam Science society, Dibrugarh University, Dibrugarh , Dibrugarh University, Dibrugarh, , Vol. 0(0), 0 - 0.
14
Puzari, K.C.; Dutta, P.; Hazarika, L.K. and Das., P.. (2010). Fungi in North East India Entomopathogen on insect, , Assam University, Silchar , Assam University, Silchar, , Vol. 0(0), 0 - 0.
15
Das, P.; Hazarika, L.K. and Bora, D. (2008). Effect of temperature on radial growth, sporulation, germination and biomass production of six different strain of Beauveria bassiana vuill.(Bals)- ap, National seminar on “Use of pesticides: Problems and Perspectives, Bahana college , Jorhat , , , Vol. 0(0), 0 - 0.
1
Das, P. (). Soraha Puk Dhan Khatir Prodhan Xatru , Ghare pothare, 19(1), 4, Assam Agricultural University, Jorhat
2
Das, P. (). Flemingia Semialata Gosot Laa Khati Korar Poddhoti , Ghare pothare, 18(2), 2, Assam Agricultural University, Jorhat
3
Das, P. and Borah, B. (). Salidhanar Khatit patmaruwa pukor niyantron, Ghare pothare, 43(17), 3, Assam Agricultural University, Jorhat
4
Das, P. (). Laa Khetir Prodhan xtrupuk- Eublemma amabilis., Ghare pothare, 43(10), 1, Assam Agricultural University, Jorhat
5
Das, P. (). Axom krikhi bishbidyaloi t laa potongor ristriya divas udjapon, Ghare pothare, 11(1), 1, Assam Agricultural University, Jorhat
6
Das, P. (). Laa Khetir Prodhan xtrupuk- Eublemma amabilis, Ghare pothare, 10(1), 1 & 3, Assam Agricultural University, Jorhat
7
Das, P. (). Hitkalin SakPasolir Kitpatanga aru Sihotor Porichayza., Ghare pothare, 22(2), 1, Assam Agricultural University, Jorhat
8
Das, P. (). Raharmahar gasot laa kheti , Dainik Janambhumi, 210(11), 14, Janambhumi Group of Publications, Jorhat
9
Das, P. (). Bengana khetir kitpatagar niyantran, Dainik Janambhumi, 48(175), 16, Janambhumi Group of Publications, Jorhat
10
Das, P. (). Narikol gosor soroha puk: joibo xureikhar proti bhabuki, Aabad, 3(3), 28, Aabad sahitya potrika, Jorhat
11
Das, P. (). Upokari laa potongo, Aabad, 4(4), 47, Aabad sahitya potrika, Jorhat
12
Das, P. (). Laa khetir joton, Aabad, 5(5), 38, Aabad sahitya potrika, Jorhat
13
Das, P. and Saikia, R. (). Laa khetir babe bagisa prostut koron, Aabad, 6(6), 2, Aabad sahitya potrika, Jorhat
14
Das, K. and Das, P. (). Dhankhetir onistokari puk-potanga homuhor niyatran, Ghare pothare, 21(12), 2,4, Assam Agricultural University, Jorhat-Assam, Assam Agricultural University, Jorhat-Assam
15
Borah, B. and Das, P. (). Narikal khetir gurutro, zoton aru poricharjyya, Ghare pothare, 23(4), 2, Assam Agricultural University, Jorhat-Assam, Assam Agricultural University, Jorhat-Assam
16
Das, P. (). Laar Poiyujoniyota, Ghare pothare, 23(1), 2,4, Assam Agricultural University, Jorhat-Assam, Assam Agricultural University, Jorhat-Assam
17
Das, P. (). Dhanor prodhan satru saraha pukor niyantran, Dainik Janambhumi, 44(19), 8, Janambhumi Group of Publications, Jorhat
18
Das, P. and Saikia, R. (). Kitnasak oukhadh proiyug karute sajag houk, Dainik Janambhumi, 5(3), 8, Janambhumi Group of Publications, Jorhat
19
Das, P. and Saikia, R. (). Joibik krishit joibik niyantran baibostha, Dainik Janambhumi, 5(56), 8, Janambhumi Group of Publications, Jorhat
20
Das, P. and Saikia, R. (). Laa- prakitik rojon, Dainik Janambhumi, 44(3), 8, Janambhumi Group of Publications, Jorhat
21
Das, P. and Saikia, R. (). Nemu tengar kit potongo niyontron, Dainik Janambhumi, 3(4), 8, Janambhumi Group of Publications, Jorhat
22
Borah, B. and Das, P. (). Puk potonga joibik niyontronor bebosthapona, Ghare pothare, 40(19), 2, Assam Agricultural University, Jorhat-Assam, Assam Agricultural University, Jorhat-Assam
23
Das, P. and Borah, B. (). Hali dhanr khetit paat merua pukor niyontron, Ghare pothare, 40(17), 2, Assam Agricultural University, Jorhat-Assam, Assam Agricultural University, Jorhat-Assam
24
Das, P. and Borah, B. (). Bengana kheti aru bijtoli prostuti, Dainik Janambhumi, 48(175), 16, Janambhumi Group of Publications, Jorhat
25
Das, P. and Borah, B. (). Boga makhi : joibo-xuroikha proti bhabuki, Dainik Janambhumi, 172(235), 16, Janambhumi Group of Publications, Jorhat
26
Das, P. and Borah, B. (). Bengana khetir kitpatagar niyantran, Dainik Janambhumi, 48(175), 16, Janambhumi Group of Publications, Jorhat
1
Das, P.; Kalita, S.; Ushasri, B. and Hazarika, C. (2026). Somonbito Podhatit Bahutoropia Mishrito Laa Kheti (In Assamese). Directorate of Research (Agri.), Assam Agricultural University, Jorhat, Assam
2
Das, P.; Kalita, S.; Ushasri, B. and Hazarika, C. (2025). Krikhokor Monot Udai Huwa Laa Khati Sirkhak Kisu Proshno aru Yeer Somidhan (Assamese). Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
3
Das, P.; Kalita, S.; Ushasri, B. and Hazarika, C. (2025). A MONOGRAPH ON Callosobruchus chinensis (L.) (Coleoptera: Bruchidae)- a stored grain pest of Flemingia semialata (Roxb.) and Flemingia macrophylla (Wi. Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
4
Das, P.; Saikia, P. and Kalita, S. (2023). Training Manual on Lac Insects and Its Associated Hosts. Directorate of Research (Agri.), Assam Agricultural University, Jorhat, Assam
5
Das, P.; Devi, T. and Saikia, P. (2023). Natural dye from lac insects. Directorate of Research (Agri.), Assam Agricultural University, Jorhat, Assam
6
Borah, B.; Das, P.; Saikia, P.; Kalita, S. and Mohansudaram, A. (2022). A monograph on Intregative taxonomy of Isaria javanica (Hypocreales: Cordycipitaceae)-A potential entomopathogenic fungi of Eublemma amabilis , a pest. Directorate of Research (Agri.), Assam Agricultural University, Jorhat, Assam
7
Das, P.; Saikia, P. and Kalita, S. (2021). Bogori gosot laa khati(Assamese) AAU/DR/21/BU/412/22. Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
8
Das, P.; Saikia, P. and Kalita, S. (2021). Boiganik Vitit Semialata Gosot Laa Kheti (Assamese) AAU/DR/21/BU/445/2021-22.. Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
9
Das, P.; Kalita, S. and Saikia, P. (2020). Makhioti gasot laa khetir orthonoitik bislekhon (AAU/DR/20/BU/329/2019-20). Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
10
Das, P. and Saikia, P. (2020). Rahar gasot laa kheti aaru krikhokor doita uparjan (AAU/DR/20/BU/379/2020-21). Directorate of Research (A.), Assam Agricultural University , Jorhat
11
Das, P.; Dey, D. and Borah, B. (2020). Insect pest and natural enemies of rice AAU/DR/(BU)/324/2019-20. Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
12
Das, P.; Kalita, S.; Saikia, P.; Sarmah, M.S. and Saikia, J. (2020). Booklet: Axomot Laa kheti (AAU/DR/20/BL/330/2019-20). Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
13
Das, P.; Borah, B.; Saikia, P.; Kalita, S. and Saikia, R. (2020). Monograph:.Isaria fumosorosea from Eublemma amabilis in Assam (AAU/DR/MG/331/2019-20). Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
14
Saikia, P.; Hazarika, L.K.; Das, P.; Kalita, S. and Saikia, R. (2019). Monograph: Lac cultivation in Assam (AAU/DR/19/MG/252/2018-19). Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
15
Das, P.; Kalita, S.; Saikia, R. and Saikia, P. (2019). Semialata gasot laa khetir orthonoitik bislekhon (AAU/DR/19/BU/253/2018-19). Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
16
Das, P. and Das, K. (2018). Dhanor onistokari kit patanagor joibik niyantran. Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
17
Das, P. and Das, K. (2018). Biopesticides for management for rice pests . Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
18
Hazarika, L.K.; Das, P.; Saikia, R. and Islam, A.N. (2017). Lac Insect (AAU/DR/17/BU/133/2016-17). Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
19
Hazarika, L.K.; Das, P.; Saikia, R. and Islam, A.N. (2017). Industrial Utilization of Lac (AAU/DR/17/BU/132/2016-17). Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
20
Hazarika, L.K.; Das, P.; Saikia, R. and Islam, A.N. (2017). Insect-pest complex of Flemingia spp. -a suitable woody shrub for lac cultivation in North-East India (AAU/DR/17/BU/131/2016-17). Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
21
Hazarika, L.K.; Das, P.; Borkotoki, S. and Hazarika, S. (2015). Kerria lacca Kerr. The Indian lac insect (AAU/DR/15/BU/92/2015-16). Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
22
Hazarika, L.K.; Das, P.; Borkotoki, S. and Hazarika, S. (2015). Laa prokritir abidh onoboido upadan (AAU/DR/15/BU/91/2015-16). Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
23
Hazarika, L.K.; Das, P.; Borkotoki, S. and Hazarika, S. (2015). Lac-A natural resin (AAU/DR/15/BU/90/2015-16). Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
24
Borah, B.; Das, P.; Saikia, P.; Kalita, S. and Mohansundaram, A. (0). A Monograph on Eublemma amabilis (Moore) : A major predator of Lac insect in Assam. Directorate of Research (A.), Assam Agricultural University, Jorhat, Assam
1
Das, P.; Kashyap, P. and Saikia, P. (2022). Callosobruchus chinensis (L.) (Coleoptera: Bruchidae), major stored grain pest of Flemingia spp https://iinrg.icar.gov.in/sanrag/ browsed on 30-07-2022
2
Das, P.; Saikia, P. and Borah, B. (2022). Biston suppressaria (Guen.) & Hyposidra talaca (Walk.): recorded as insect pests of Flemingia spp. https://iinrg.icar.gov.in/sanrag/ browsed on 31-01-2022
3
Das, P.; Borah, B. and Saikia, P. (2021). Eublemma amabilis Moore: A major threat to lac culture in Assam. https://iinrg.icar.gov.in/sanrag/ browsed on 31-07-2021
4
Das, P.; Hazarika, L.K. and Saikia, P. (2021). Lac based folk medicine use by tribal communities of Assam, https://iinrg.icar.gov.in/sanrag/ browsed on 30-01-2021
5
Das, P. and Saikia, P. (2020). How much do you know about Kerria chinensis? https://iinrg.icar.gov.in/sanrag/ browsed on 31-07-2020
6
Das, P. and Borah, B. (2019). Rice pests and their management http://www.aau.ac.in/report/e-bulletin browsed on 12-08-2019
7
Das, P. and Saikia, P. (2019). Life cycle of lac insect, Kerria chinensis (Mahd.) http://www.aau.ac.in/report/e-bulletin browsed on 16-07-2019
8
Das, P. and Saikia, P. (2019). Beneficial Insect: Lac Insect http://www.aau.ac.in/report/e-bulletin browsed on 16-07-2019
Sponsored Research
Research Projects 13 Projects
AAU R& D Rs. 1494000 Lakh
Green-synthesis and Utilization of nanoparticles extracted from black pepper (Pipernigrum) for the management of pulse beetle (Callosobruchus chienensis L)
Implemented in 2023
DST-SERB Rs. 3813832 Lakh
Exploration and development of bio-formulation from indigenous strain of entomopathogenic fungi, Cordyceps javanica against tea mosquito bug, Helopeltis theivora Waterhouse a devastating pest of tea plantation of North East India”
Implemented in 2024
AAU R&D Rs. 17.20 Lakh
Identification of Soil Microfauna for Bioremediation of Pesticide Contaminated Soils of Certain Vegetable and Tea Growing Areas of Assam
Implemented in 2022
BRNS Rs. 1.5 Lakh
Biochemical and Molecular characterization of Ranjit Sub 1 variety resistance against Leaf folder, Cnaphalocrocis medinalis developed through mutation breeding
Implemented in 2021
M/S Bayers Crop Science New Delhi Rs. 150000 Lakh
Company sponsored-Bio efficacy (Field trial) studies of Spirotetramate150 against Thrips and Red spider mite
Implemented in 2017
Agro life science Corporation LTD, New Delhi. Rs. 216000 Lakh
Company sponspored -Bio efficacy (Field trial) studies of Insecticides Yhiocyclam Hydrogen Oxalaten 50% SP on rice
Implemented in 2016
Dhanuka Agro tech. New Delhi Rs. 216000 Lakh
Company sponsored-Bio efficacy studies of Insecticides Sulfoxaflor 50% WG against Tea Mosquito bug (Helopelti stheivora) Green fly (Empoasca flavescens) &Thrips (Scirtothrips dorsalis), its effect on natural enemies and phytotxicity in Tea
Implemented in 2016
KrishiRasy an Export Ltd. Kolkata Rs. 200000 Lakh
Company sponsored-Evaluation of bio-effectiveness, phytoxicity, effects on parasities & predator, cost benefit ratio of cartap hydrochloride 50 %+Buproferzin 10% WP in rice
Implemented in 2015
United Phosphorus LTD Rs. 200000 Lakh
Company sponsored-Evaluation of Bio-efficacy( Field trial) studies of Insecticides UPI 1810 on Paddy
Implemented in 2014
Department of Science and Technology Rs. 1750000 Lakh
Field evaluation of WP formulation of an indigenous strain Beauveria bassiana (Bals) Vuill. against Cnaphalocrocis medinalis (Guenee) and Nymphula depunctalis (Guenee)
Implemented in 2015
ICAR-IINRG Rs. 12296500 Crore
Conservation of Lac insect genetic resources
Implemented in 2014
BARC-BRNS Rs. 2771000 Lakh
Development of leaf folder, Cnaphalocrocis medinalis resistance rice variety through mutation breeding
Implemented in 2016
GOI-DBT Rs. 5271988 Lakh
Integrative taxonomy......North East India
Implemented in 2018
Recognition & Accolades
Achievements & Honours 15 Honours
Recipient of DST Young Scientist (Scheme for young Scientist) 2015 by Department of Science and Technology, Govt. of India.
Recipient of Dr. B. Vasantharaj David Foundation "Women Scientist Awards" -2019, confer at National conference on “Trends in higher education, taxonomy, agriculture, biotechnology and toxicology” on 17th November, 2019 at Chennai, Tamil Nadu
Recipient of DR. Rajendra Prasad Excellence Award, 2020 confer at 11th International Conference on Agriculture, Horticulture & Plant Science Organized by The Society of Tropical Agriculture, (Reg. No. S/1714/2017), New Delhi, India
Best Centre award 2019-20 for research activities, publications,budget utilization under the Network Project "Conservation of Lac Insect Genetic Resources".in the 8th Annual Review meeting organized by ICAR-Indian Institute of Natural Resins and Gums, Ranchi (online mode) during 29-30th December, 2020
Received European fellowship under “AdaptNet” programme of Erasmus+ “Strengthening education, research and innovation for climate smart crops in India” funded by the European Union (Erasmus+) for one month training from 20th January to 15th February 2020
Under DST project, fungal based Bio formulation “Talcorganic” technology/process has been development from indigenous strain of Beauveria bassiana” for commercialization.
Lac insect species prevalent in Assam was identified as Kerria chinensis (Mahd.) through taxonomic and molecular characterization.
Cotesia ruficrus (Haliday)(Hymenoptera: Braconidae) a larval parasitoid of rice horned caterpillar, Melanitis leda (L.) (Lepidoptera :Nymphalidae) was first time identified and reported from rice ecosystem of Assam.
Received Best Poster Awards (Priyanka Saikia & Purnima Das) :Lac Based Indigenous Technical Knowledge of Assam in the “International Conference on Recent Advances in Agricultural Biological and Applied Science Research” organized by Society for Biotic and Environmental Reasearch (SBER) Tripura in collaboration with Nowgong College, Assam and ICAR-CAFRI, Jhansi. during 8th & 9th August 2022.
Received 1st prize in oral presentation "Lac insect Dye- A natural Source of Livelihood" in the International Conference on "Next-Gen Preparedness for Food Security and Environmental Sustainability" organized by Assam Agricultural University during November 22-24,2023 at AAU,Jorhat-13.Assam.
Received 2nd position (Rojja R. Pathak & Purnima Das) in Poster presentation "Rice swarming Caterpillar (Spodoptera mauritia Walker): An Emerging Pest of Rice Ecosystem of Assam" in the National Conference on "Women scientists in plant health menagement for sustainable development goals" organized by Assam Agricultural University,Jorhat and Indian Phytopathological Society,New Delhi during 22-23December 2023at at AAU,Jorhat-13.Assam
Received 3rd position (Karishma Das & Purnima Das) in Poster presentation "Efficiacy of entomopathogenic fungus, Beauvaria bassiana (bals.) vuill. against Corcyra cephalonica (Stainton) (Lepidoptera: Pyralidae)" in the National Conference on "Women scientists in plant health menagement for sustainable development goals" organized by Assam Agricultural University,Jorhat and Indian Phytopathological Society,New Delhi during 22-23December 2023at at AAU,Jorhat-13.Assam
Received Best Poster Presentation Award (Banna Ushasri & Purnima Das)-"Lac: Indigenous Practices and Tribal Livelihood in humid Assam basin of India"at the National Conference on Frontier Technologies for Weather and Climate Based Decisions in Agriculture and Allied Sectors (AGMET-2025) Jointly organized by Association of Agrometeorologists, Anand & Assam Agriculture University, Jorhat from 13-15 February,2025 at Assam Agricultural University,Jorhat-13.
Banna Ushasri & Purnima Das has been conferred Best Oral Award for the presentation entitled "Incidence of insect pests of rice in Assam under Changing climate"at the National Conference on Frontier Technologies for Weather and Climate Based Decisions in Agriculture and Allied Sectors (AGMET-2025) Jointly organized by Association of Agrometeorologists, Anand & Assam Agriculture University, Jorhat from 13-15 February,2025 at Assam Agricultural University,Jorhat-13.
Recipient of "Young Women Entomologist Awards"confer at "National conference on Advances in Sustainable Plant Protection Under Changing Agriculture Scenario" on 18-20 th September, 2025 at Udaipur. Organized by Entomology Research Association, Department of Entomology, Rajasthan College of Agriculture,Maharana Pratap University of Agriculture and Technology, Udaipur. India
Learned Societies
Professional Memberships 2 Societies
Society of Bio-control advancement, Bangaluru, India
Life Member
Society for Advancement of Natural Resins and Gums, IINRG, Namkum, Ranchi
Life Member
Quick Information
Dr. Purnima Das

Associate Professor

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Department: Entomology
AAU Joining Date: 10 Nov, 2008
Additional Charge: Warden, Hostel No. 12 AAU, Jorhat-13