Dhruva Kumar Jha

Dhruva Kumar Jha


MSc (Patna) PhD (NEHU)

Microbiology and Plant Pathology

Department of Botany
Gauhati University, Guwahati, 781014
Email:- dhruvakjha@gauhati.ac.in

M.Sc. in Botany with specialization in Plant Pathology from Patna University

Ph.D. in Botany (Microbial Ecology) from NEHU 

Joined Gauhati University as Lecturer in 1991 (23rd October)

Teaching Experience 27 years


Plant-Microbe Interactions (AM Fungi, PGPR, Endophyte, Rhizosphere Biology) for Plant Improvement

Microbial Diversity (Fungi, Bacteria, Actinomycetes and Yeasts)

Biological Control of Plant Diseases

  • Indian Society for Soil Biology and Ecology (Life member)
  • Association of Microbiologists of India (Life Member)
  • Indian Phytopathology (Life Member)
  • Indian Society for Mycology and Plant Pathology (Life Member)
  • Indian Mycological Society (Life Member)
  • International Society for Environmental Botanists (Life Member)
  • International Society for Conservation of Natural Resources (Life Member)
  • North East Biotechnological Society (Life Member)
  • Assam Science Society (Life member)
  • The Indian Science Congress Association (Life member)
  • American Society of Microbiology (Member)

Board of Post Graduate Studies, Rajiv Gandhi University, Arunachal Pradesh

Board of Undergraduate Studies in Botany, NEHU, Shillong (2010-2013)

Board of Postgraduate Studies in Botany, NEHU, Shillong (2013-2016)

Board of Post Graduate Studies in Microbiology, Assam University, Silchar

Board of Post Graduate Studies in Ecology and Environmental Studies, Assam University,


Gauhati University Court (w. e. f. 2012-2014)

Academic Council, Gauhati University w. e. f. 2010

Head of the Department of Botany w. e. f. March 2011-August 2014

Coordinator, UGC-SAP DRS-I, Department of Botany (2012-2017)

Executive Council Member (Gauhati University) (September 2013-February 2014)

Member School Board, School of Life Sciences, NEHU, Shillong

Board of Post Graduate Studies in Ecology and Environmental Studies, Mizoram University,


Member Research Advisory Committee, Central Muga Eri Research and Training Institute,

Central Silk Board, Jorhat (2014-2017)

Coordinator, M.Sc. Microbiology course, Department of Botany, Gauhati University

Member School Board, School of Life Sciences, Mizoram University, Aizawl (2016-2019)

Board of Research Studies in Science, Assam University, Silchar (2016-2019)

Chairman, Institutional Ethical Committee, Assam University (2018-2021)

 D. K. Jha, G. D. Sharma and R. R. Mishra (1992) Ecology of soil microflora and Mycorrhizal symbionts in degraded forests at two altitudes. Biology & Fertility of Soil12, 272-278..(Citation:54)

D. K. Jha, G. D. Sharma and R. R. Mishra (1992) Soil microbial population and its activities in relation to altitude and forest degradation. Soil Biology and Biochemistry24, 761-767..(Citation:50)

D. K. Jha, G. D. Sharma and R. R. Mishra (1993) Mineral nutrition in tripartite interaction between Frankia, Glomus and Alnus at different soil phosphorus regimes. New Phytologist 132, 307-311.(Citation:85)

S. Kumar and D. K. Jha (2002)Trichotheciumroseum: A potential agent for the biological control of soybean rust (Phakopsorapachyrhizi Syd.). Indian Phytopathology, 55: 232-234 (Citation:12)

S. Kumar and D. K. Jha (2004) Collateral hosts of Phakopsorapachyrhizi in Meghalaya. Journal of Mycology and Plant Pathology, 34:541-543

K. Tayung and D. K. Jha (2006) Antimicrobial evaluation of some fungal endophytes isolated from the bark of Himalayan Yew. World Journal of Agricultural Science, 2(4): 489-494. (Citation:15)

K. Tayung, D. K. Jha and D. C. Deka (2007) Isolation and identification of antimicrobial agent producing bacterium from Taxusbaccata rhizosphere antagonistic against clinically significant microbes. Indian Journal of microbiology(Springer) 47:317-322 (Citation:03)

R. Das and D. K. Jha (2008) Evaluation of some chemicals against Pestalotiopsis disseminata causing grey blight disease of som. Sericologia, 48 (1):113-117

K. Mahanta and D. K. Jha (2009) Nutritional status of vermicompost produced from weed biomass and rice straw as influenced by earth worm species and seasons. Indian Journal of Weed Science41: (3&4) 211-215

K. Tayung and D. K. Jha (2010) Antimicrobial endophytic fungal assemblages inhabiting bark of Taxus baccata L. of Indo-Burma mega biodiversity hotspot. Indian Journal of Microbiology, 50(S1): S74-S81(Citation:(11)

P. Doley and D. K. Jha (2010) Entophytic fungal assemblages from ethnomedicinal plant Rauvolfia serpentina (L)Benth, a Ethnomedicinal Plant. Indian Journal of Mycology and Plant pathology, 40(1):44-48

Tayung K., Barik, B. P. and Jha, D. K. (2010) Antifungal activity and biocontrol potential of metabolite produced by an endophyticFusarium (MTCC-9622) against some post-harvest pathogens. International Journal of Agriculture Technology6(3): 409-419(Citation:10)

K. Mahanta and D. K. Jha (2010) Nutritional status of vermicompost produced from weed biomass and rice staw as influenced by earthworm species and seasons. Indian Journal of Weed Science41: 211-215

Ranjana Das, M. Chutia, K. Das and D. K. Jha (2010) Factors affecting sporulation of Pestalotiopsisdisseminata causing grey blight disease of Persea bombycinaKost., the primary food plant of muga silkworm. Crop Protection29: 963-968(Citation:15)

Ranjana Das, K. Das and D. K. Jha (2010) Epidemiology of Pestalotiopsisdisseminata causing grey blight disease of muga food plant som (Persea bombycina). Environmental Biology and Conservation15: 41-45

Tayung K, Barik BP, D. K. Jha and Deka DC (2011) Identification and characterization of antimicrobial metabolite from an endophytic fungus, Fusarium solani isolated from bark of Himalayan yew. Mycosphere2(3): 203–213 (Citation:39)

Bhattacharyya PN and D. K. Jha (2011) Seasonal and Depth-wise variation in Microfungal Population Numbers in Nameri forest soil, Assam, Northeast Ind. Mycosphere2(4): 297–305 (Citation:02)

B. Deka, N. C. Talukdar and D. K. Jha (2011): Interaction effect of arbuscularmycorrhizal fungi, Rhizobium and Meloidogyne incognita on green gram. J. Mycol Plant Pathol41(3): 355-36

Madhumita Talukdar, AparajitaDuarah, Shruti Talukdar, ManoramaBuraGohain, Rajal Debnath, Archana Yadav, Dhruva K. Jha and Tarun C. Bora. (2012) Bioprospecting Micromonospora from Kaziranga National Park of India and their anti-infective potential. World Journal of Microbiology and Biotechnology, World J Microbiol Biotechnol (2012) 28:2703–2712(Citation:02)

Jayshree Das, D. K, Jha, R. S. Policegoudra, Afjal Hussain Mazumder, Mrinmoy Das, P. Chattopadhyay and L. Singh (2012): Isolation and characterization of antidermatophytic bioactive molecules from Piper logum L. leaves. Indian Journal of Microbiology. 52 (4):624–629.(Citation:06)

K Mahanta, DK Jha and DJ Rajkhowa(2012) Effect of cellulolytic bio-inoculants and their co-inoculation with earthworm on the conversion of plant biomass.Journal of Crop and Weed 8(1): 47-51

K. Mahanta, D. K. Jha, D. J. Rajkhowa and Manoj-Kumar (2012) Microbial enrichment of vermicompost prepared from different plant biomass and their effect on rice (Oryza sativa L.) growth and soil fertility. Biological Agriculture & Horticulture28 (4):  241-250(Citation:02)

Bhattacharyya PN and D. K. Jha (2012):  Plant Growth Promoting Rhizobacteria: Emergence in Agriculture. World Journal of Microbiology and Biotechnology.28: 1327-1350 (Citation:654)

B. N. Chakraborty, A. Acharya, U. Chakraborty, J. Rabha and D. K. Jha (2013) Screening of Arbuscular Mycorrhizal fungi associated with Persea bombycina and their effect on improvement of plant health. Journal of Plant Disease Science8(2): 141-147

Sufian Ahmed Tapadar and D. K. Jha (2013): Disease management in staple crops: A bacteriological approach. In: Bacteria in Agrobiology: Disease Management (Edt. D. K. Maheswari) Springer-Verlag Berlin Heidelberg New York. pp 111-152

P. N. Bhattacharyya, B. Tanti, P. Barman and D. K. Jha (2013) The surface and subsurface soil bacterial community in the Brahmaputra valley, Assam, North-East India, an Indo-Burma mega-biodiversity hotspot. World Journal of Microbiology and Biotechnology, 28:1327–1350(Citation:01)

Jayshree Das and D.K. Jha (2013) Antidermatophytic Activity of some medicinal plants, phytochemical analysis and isolation ofactive fractions from Piper longum. Journal of Pure and Applied Microbiology7(4): 3207-3212

Bidisha Sharma, Diganta Narzary and Dhruva Kumar Jha (2014) Culture independent diversity analysis of soil microbial community and their significanceIn: Bacteria in Agrobiology: Disease Management (Edited by: D. K. Maheswari)Springer-Verlag Berlin Heidelberg New York, pp 305-340.

D. Sharmah and  D. K. Jha (2014) Diversity of Arbuscular Mycorrhizal Fungi in Disturbed and Undisturbed Forests of KarbiAnglong Hills of Assam, India, Agriculture Research 3(3):229–238

D. Sharmah and D. K. Jha (2014) Diversity of arbuscular mycorrhizal fungi in undisturbed forest, slash-and-burn field, and monoculture forest of Indo-Burma megadiverse region. Brazilian Journal of Botany37(3): 339-351

B N Chakraborty, A Acharya, U Chakraborty, D K Jha, J Rabha and H K Sharma (2014) Growth promotion and induction of defense enzymes in Persea bombycina following application of AMF and PGPR against Colletotrichumgloeosporioides causing leaf blight disease. Journal of Mycology and Plant Pathology44(3): 249-258

Jintu Rabha, Dhruva Kr. Jha, H. K. Sharma, Amrita Acharya, Usha Chakraborty and Biswanath Chakraborty (2014) Characterization of bacteria from the rhizosphere of Persea bombycina with multiple growth promoting traits. Indian Phytopathology67 (2): 126-133

K. Mahanta, D. K. Jha, D. J. Rajkhowa and Manoj-Kumar (2014) Isolation and evaluation of native cellulose degrading microorganisms for efficient bioconversion of weed biomass and rice straw. Journal of Environmental Biology 35: 721-725 (Citation: 02)

Bidisha Sharma and D. K. Jha (2014) Arbuscular Mycorrhizal Fungal association in some commonly occurring economically important plants of Kaziranga National Park, Assam, India. Indian Phytopathology67 (3):

Madhumita Talukdar, Ritasree Sarma, Shruti Talukdar, Archana Yadav, Dhruva K. Jha, Tarun C. Bora (2015) Optimization of process parameters for the production of antibacterial compound by a newly isolated Nocardia cyriacigeorgica, kd-15 strain from Kaziranga national park of north east India. International Journal of Pharmacy and Pharmaceutical Science7 (3) 258-262

Akash Kedia, Abhishek Kumar Dwivedy, Dhruva Kumar Jha  and Nawal Kishore Dubey (2016) Efficacy of Menthaspicata essential oil in suppressionof Aspergillus flavusand aflatoxin contamination in chickpeawith particular emphasis to mode of antifungal action. Protoplasma, DOI 10.1007/s00709-015-0871-9 (Citation:09)

P. Bhattacharyya and D. K. Jha (2015): Mycorrhizal fungi in the formation of antioxidant compounds. In: Plants as Source of Natural Antioxidants (Edt. N. K. Dubey) CABI International, pp 252-281

Bidisha Sharma and Dhruva Kumar Jha (2015): Role of nitrogen sources in regulation of fungal secondary metabolism. In: Fungal Biomolecules: Sources, Applications and Recent Developments (Edt. Gupta, Mach and Sreenivasaprasad), Wiley Blackwell, UK

Bidisha Sharma and D. K. Jha (2015) The influence of arbuscular mycorrhizal fungi on the growth of Pisidium guajava and Pongamia pinnata. Journal of Mycology and Plant Pathology 45(4): 342-352

Sufian A. Tapadar and Dhruva Kumar Jha (2016) Seasonal and Temporal Dynamics of Physicochemical and Biological Properties of Chronosequence Coal Mine Spoil Soils. Clean Soil Air Water44(10): 1296-1305

M. Talukdar, M. Bordoloi, P.P. Dutta, S. Saikia, B. Kolita, S. Talukdar, S. Nath, A. Yadav,R. Saikia, D.K. Jha and T.C. Bora (2016) Structure elucidation and biological activity of antibacterial compound from Micromonospora auratinigra, a soil Actinomycetes. Journal of Applied Microbiology, doi:10.1111/jam.13233

Bishwanath Chakraborty, Amrita Acharya, Usha Chakraborty, Dhruva Kumar Jha and Jintu Rabha (2016) Activation of defense responses in som plant against leaf blight following application of bioinoculants. Indian Phytopathology. 69 (2): 181-189

Chayanika Deka, Deepanwita Deka, Montu Moni Bora, Dhruva Kumar Jha and Dilip Kumar Kakati (2016) Synthesis of peppermint oil-loaded chitosan/alginate polyelectrolyte complexes and study of their antibacterial activity. Journal of Drug Delivery Science and Technology, 35: 314-322

Chayanika Deka, Manali Dutta, Deepanwita Deka, Dhruva Kumar Jha and Dilip Kumar Kakati (2016) Study of olive oil-loaded chitosan/carrageenan coacervate and its antibacterial property. International Journal of Pharma Sciences 6(3): 1524-1533

Deepanwita Deka, Kumananda Tayung, Dhruva Kumar Jha (2017) Harnessing Fungal Endophytes for Plant and Human Health. In: Endophytes: Biology and Biotechnology, Volume 1(Edt.  D. K. Maheshwari) Springer, Cham DOI: 10.1007/978-3-319-66541-2_4

Rabha J. and Jha D. K. (2018) Metabolic Diversity of Penicillium. In: New and Future Developments in Microbial Biotechnology and Bioengineering, (Edited by Vijai Kumar Gupta and Susana Rodriguez-Couto) Elsevier, Amsterdam, pp 217-234, (https://doi.org/10.1016/B978-0-444-63501-3.00012-0.)

Deepanwita Deka and Dhruva Kumar Jha (2018) Antimicrobial Activity of Endophytic Fungi from Leaves and Barks of Litsea cubeba Pers., a Traditionally Important Medicinal Plant of North East India. Jordan Journal of Biological Sciences (Accepted)

Fellow of International Society of Conservation of Natural Resources (FISCNR)

Fellow of Indian Mycological Society (FIMS)

Fellow of Indian Society of Mycology and Plant pathology (FISMP)

Joint Convener of Annual Technical Session Committee of Assam Science Society (2003-2005)

Joint Secretary, North East Biotechnological Association (2004-2005)

Associate Editor, Journal of North East Biotechnological Association (2004-2005).

Associate Editor, World Journal of Agricultural Sciences, International Digital Organization for

Scientific Information, Pakistan (2011-2014)

Associate Editor (2008-2012), Advances in Environmental Biology (ISSN 1995-0756), American

Eurasian Network for Scientific Information, Jordan

Coordinated IV Refresher Course (UGC Sponsored) in Life Sciences for Research Scholars (2009)

Zonal President, Indian Phytopathological Society (2011)

Zonal Councilor, Indian Society for Mycology and Plant Pathology (2014)

Founder General Secretary, Guwahati Chapter of Association of Microbiologists of India

Editor, Indian Phytopathology (2017-2020) (Springer)

 “National Conference on Current Trends of Research in Science and Technology”, January 28-29, 2005, Gauhati University

National Seminar on “Value Addition to Bioresources of North East India and Cold Chain”, May 2006

National symposium on "Microorganisms and Plant Health" November 4-5, 2011

Workshop on "Advance Biological Tools and Techniques” May 6-12, 2013

National symposium on "Unraveling plant-microbe interactions for supporting plant health”, October 27-28, 2014

Workshop on "Art of Science Communication" in collaboration with American Society of Microbiology and Association of Microbiologists of India (Guwahati Unit), April 20, 2015

57th Annual Conference and International Symposium of Association of Microbiologists of India (AMI) on “Microbes and Biosphere: What’s New What’s Next", November 24-27, 2016 

 Dr. Subhro Banerjee, National Post Doc Fellowship, SERB, Government of India

Dr. Khomdram Bijoya Devi, DST, Government of India, Women Scientist

Sashiprabha Devi, DST Inspire Fellow (Ph.D.)

Deepanwita Deka, UGC BSR Fellow (Ph. D.)

Monsumi Alam, MAN Research Fellow(Ph.D.)

Sukanya Das (Ph.D.)

Debulman Syiemiong (Ph.D.)

Ashis Bora (Ph.D.)

Neelam Sarma (Ph.D.)

Amrit Kumar (M.Phil)


Prof. Antonio Evidente, Department of Chemical sciences, University of Naples, Federico-II Via Cintia 4, Naples 80126-I, Tel: +390812532126, Fax: +36081674330