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Dr. R Praveena

Dr. R Praveena
Name Dr. R Praveena
Designation Senior Scientist
Division Crop Protection
Qualification Ph.D.
Specialisation Plant Pathology
Contact praveenaravindran55@gmail.com
Areas of Interest Biological Control of Diseases, Integrated Disease Management, Diversity of Fungal Pathogens

  1. Praveena R, Sheeja TE, Anees K, Sreenivasan V, Leela NK, Charles S, George P, Abraham A, Vijesh Kumar IP, Subila KP, Anushree M, Dinesh R. Zinc-solubilizing rhizobacteria as bioinoculant for turmeric: transcriptomic insights into acid stress adaptation, zinc mobilization and growth promotion. World J Microbiol Biotechnol. 2025;41:435.

  2. Vijayasanthi KV, Anees K, Krishnamurthy KS, Praveena R. Root colonization studies to elucidate the endophytic association of moisture stress tolerant Trichoderma isolates in black pepper (Piper nigrum L.). J Spices Aromat Crops. 2025;34:15–29.

  3. Mery Rincy K, Santhosh JE, Praveena R. Exploring the biocontrol potential of Pochonia chlamydosporia: antifungal and nematicidal activities of culture filtrates and secondary metabolites. Chem Biodivers. 2025;22:e01418.

  4. Mery Rincy K, Fayad MA, Charles S, Praveena R, Santhosh JE. The fungal endophyte Pochonia chlamydosporia boosts growth and defence in black pepper (Piper nigrum L.): insights from transcriptomics and functional studies. Rhizosphere. 2025;35:101139.

  5. Senthilkumar CM, D’Silva S, Praveena R, Kaprakkaden A, Krishnan LA, Rajkumar MB, Srinivasan V, Dinesh R. Zinc solubilization and organic acid production by the entomopathogenic fungus Metarhizium pingshaense sheds light on its key ecological role in the environment. Sci Total Environ. 2024;889:171348.

  6. Vijayasanthi KV, Titty AT, George P, Leela NK, Anees K, Krishnamurthy KS, Dinesh R, Praveena R. Characterization and quantification of peptaibol produced by novel Trichoderma spp.: harnessing their potential to mitigate moisture stress through enhanced biochemical and physiological responses in black pepper (Piper nigrum L.). World J Microbiol Biotechnol. 2024;40(11):330.

  7. Amrutha Lakshmi M, Suresh KC, Zumaila F, George P, Praveena R. Effect of plant protection chemicals on the survivability of Phytophthora spp. infecting black pepper (Piper nigrum L.). J Mycol Plant Pathol. 2023;53(4):381–391.

  8. Dinesh R, Sreena CP, Sheeja TE, Kumar IV, Praveena R, Charles S, Srinivasan V, Jayarajan K, Sajith V, Subila KP, Haritha P. Soil polluted with nano-ZnO reveals unstable bacterial communities and decoupling of taxonomic and functional diversities. Sci Total Environ. 2023;889:164285.

  9. Praveena R, Kozhamburath A, Jeevalatha A, Bhat AI, Krishnamurthy KS. Association of Exserohilum rostratum with ginger: morphological characterization, phylogenetic relationships and pathogenicity assays. Australas Plant Pathol. 2022;51(3):333–344.

  10. Praveena R, Srekha K, Revathy R, Srinivasan V, Sarathambal C, George P, Subila KP, Dinesh R. New rhizobacteria strains with effective antimycotic compounds against rhizome rot pathogens and identification of genes encoding antimicrobial peptides. Rhizosphere. 2022;22:100515.

  11. Dinesh R, Srinivasan V, Praveena R, Subila KP, George P, Akshaya Das, Shajina O, Anees K, Leela NK, Haritha P. Exploring the potential of P-solubilizing rhizobacteria for enhanced yield and quality in turmeric (Curcuma longa L.). Ind Crops Prod. 2022;189:115826.

  12. Sheeja TE, Praveena R, Vijesh Kumar IP, Sarathambal C, Shajina O, Hridya Vijay, Nandana Rajeev, Prashina Mol P, Sreena CP, Srinivasan V, Dinesh R. A novel Zn transporter gene (ClZIP1) from turmeric (Curcuma longa L.) and expression analysis in the presence of a Zn-solubilizing bacterium. Plant Mol Biol Rep. 2022;40(3):500–515.

  13. Bhai S, Suseela R, Jeevalatha A, Biju CN, Vinitha KB, Jose Cissin, Rosana OB, Fayad A, Praveena R, Anandaraj M, Santhosh JE. Sympatric occurrence of sibling Phytophthora species associated with foot rot disease of black pepper in India. Braz J Microbiol. 2022;53:1–18.

  14. Nysanth NS, Divya S, Chitra Nair B, Anju AB, Praveena R, Anith KN. Biological control of foot rot (Phytophthora capsici Leonian) disease in black pepper (Piper nigrum L.) with rhizospheric microorganisms. Rhizosphere. 2022;23:100578.

  15. Eapen SJ, Thomas L, Praveena R, Senthilkumar CM. Pesticide regulation policy and global food safety for Indian spices. J Consum Prot Food Saf. 2022;17(4):407–410.

  16. Biju CN, Jeevalatha A, Bhat AI, Peeran MF, Praveena R, Sarathambal C, Eapen SJ. Domestic quarantine: an introspection and future perspectives on biosecurity interventions to contain pathogen spread in vegetatively propagated spices in India. J Spices Aromat Crops. 2021;30(2).

  17. Rincy MK, Praveena R, Eapen SJ. A modified semi-selective medium for isolation and enumeration of Pochonia chlamydosporia (Goddard) Zare & W. Gams. J Spices Aromat Crops. 2021;30(1).

  18. Praveena R, Biju CN, Sujatha AM. Deciphering the primary incitant of rot complex of small cardamom plant by sequential inoculation of pathogens. Indian Phytopathol. 2021;74(1):48–58.

  19. Jacob TK, Senthilkumar CM, Devasahayam S, D’Silva S, Senthilkumar R, Biju CN, Praveena R, Ankegowda SJ. Plant morphological traits associated with field resistance to cardamom thrips (Sciothrips cardamomi) in cardamom (Elettaria cardamomum). Ann Appl Biol. 2020;177(1):143–151.

  20. Biju CN, Praveena R, Peeran MF, Sujatha AM, Ankegowda SJ. Occurrence of teleomorphic phase of Colletotrichum gloeosporioides sensu lato, the incitant of anthracnose of black pepper. J Spices Aromat Crops. 2020;29(1):48–58.

  21. Biju CN, Praveena R. Evaluation of plant extracts for antifungal activity against Colletotrichum gloeosporioides, the incitant of leaf blight in small cardamom and anthracnose of black pepper. J Plant Crops. 2018;46(2):92–101.

  22. Faisal MP, Biju CN, Praveena R, Gowri R, Ankegowda SJ. Isolation, characterization and antagonistic efficacy of fungal endosymbionts from allied genera of cardamom. J Plant Crops. 2018;46(1):1–7.

  23. Biju CN, Peeran MF, Praveena R, Sharon A, Ankegowda SJ. Epidemiological parameters to delineate weather–disease interactions and host plant resistance against leaf blight in small cardamom (Elettaria cardamomum). J Spices Aromat Crops. 2018;27(1):22–31.

  24. Biju CN, Praveena R, Peeran MF, Darshana CN, Jashmi CK, Ankegowda SJ. Significance of microsclerotia in the epidemiology of black pepper anthracnose and an approach for disease management in nurseries. J Phytopathol. 2017;165(5):342–353.

  25. Chethana CS, Chowdappa P, Biju CN, Praveena R, Sujatha AM. Molecular and phenotypic characterization revealed six Colletotrichum species responsible for anthracnose disease of small cardamom in South India. Eur J Plant Pathol. 2016;146(3):465–481.

  26. Chethana CS, Chowdappa P, Pavani KV, Biju CN, Praveena R, Sujatha AM. Morphological and multi-loci gene analysis of five species of Colletotrichum responsible for anthracnose on black pepper in South India. Int J Adv Biotechnol Res. 2015;6(3):327–342.

  27. Jacob TK, Senthilkumar CM, D’Silva S, Devasahayam S, Ranganath HR, Sujeesh ES, Biju CN, Praveena R, Ankegowda SJ. Evaluation of insecticides and natural products for their efficacy against cardamom thrips (Sciothrips cardamomi Ramk.) in the field. J Spices Aromat Crops. 2014;24(2):133–136.

  28. Darshana CN, Praveena R, Ankegowda SJ, Biju CN. Morphological variability, mycelial compatibility and fungicidal sensitivity of Colletotrichum gloeosporioides causing leaf spot of ginger (Zingiber officinale Rosc.). J Spices Aromat Crops. 2014;23(2):211–223.

  29. Praveena R, Biju CN, Senthilkumar R, Darshana CN, Jashmi KC. Preliminary evaluation of cardamom accessions against leaf blight (Chenthal disease). Indian Phytopathol. 2013;66(1):112–113.

  30. Biju CN, Praveena R, Ankegowda SJ, Darshana CN, Jashmi KC. Epidemiological studies on black pepper anthracnose caused by Colletotrichum gloeosporioides. Indian J Agric Sci. 2013;83(11):1199–1204.

Patents granted

  • Patent No. 567444
    A novel liquid process for mass multiplication of Pochonia chlamydosporia.
    Inventors: Praveena R, Lijina A, Dinesh R, Eapen SJ.

  • Patent No. 567347
    An antimicrobial composition for coating rhizomes and tubers and a process for its preparation.
    Inventors: Praveena R, Dinesh R, Eapen SJ, Srinivasan V.

 

Trademarks Received

  1. Trade Mark No. 5784838
    Class 40 – Treatment of materials.
    Date of registration: 30 January 2023.

  2. Trade Mark No. 5784839
    Class 41 – Providing training in the field of microbial technology for improved agriculture.
    Date of registration: 30 January 2023.

  3. Trade Mark No. 5784840
    Class 42 – Scientific and technological services and research in the field of agricultural microbiology.
    Date of registration: 30 January 2023.

 

Fellowships

  • Fellow, Indian Society for Spices, ICAR–Indian Institute of Spices Research (ICAR-IISR), Kozhikode.

  • Fellow, Society for Biocontrol Advancement, ICAR–National Bureau of Agricultural Insect Resources (ICAR-NBAIR), Bengaluru, Karnataka.

 

Technologies Certified by ICAR

  1. ICAR-HS-IISpicesR-Product-2024-045
    POCHONIN: A liquid formulation of Pochonia chlamydosporia, a bioagent for nematode management.
    Inventors: Praveena R, Dinesh R, Eapen SJ.

  2. ICAR-HS-IISpicesR-Product-2024-046
    PGPR strain (Bacillus safensis): For plant growth promotion, soil nutrient solubilization, and disease suppression.
    Inventors: Praveena R, Dinesh R, Srinivasan V, Sarathambal C.

  3. ICAR-HS-IISpicesR-Product-2024-047
    TRICHOPRIME: An antimicrobial formulation for coating seed rhizomes and tubers for enhanced germination, vigour, and disease suppression.
    Inventors: Praveena R, Dinesh R, Eapen SJ, Srinivasan V.

PI

  1. Development and formulation of plant beneficial rhizosphere microorganisms (PBRMs) for disease antagonism, soil nutrient solubilization, and plant growth promotion.
    (Institute funded)

  2. Diversity analysis, survival studies, and management of Pythium spp. infecting ginger.
    (Institute funded)

  3. Establishment of an advanced centre for mass production of beneficial microflora for sustainable agriculture.
    (Externally funded)

Co-PI

  1. Network project on organic farming.
    (Externally funded)

  2. Application of genome editing to develop trait-specific varieties/hybrids in ginger crops.
    (Externally funded)

  3. Development of arbuscular mycorrhizal fungi–based bioinoculant formulation for growth promotion and disease tolerance in major spices.
    (Institute funded)

  4. Standardization of UAV-assisted precision spraying for enhanced nutrient and pesticide management in ginger and turmeric.
    (Institute funded)

  5. Strategic approaches for management of black pepper diseases.
    (Institute funded)

  1. Santhosh JE, Anith KN, Praveena R and Dinesh R. Microbial inoculants for Sustainable plant health. P.N.Ravindran etal.(eds.),Handbook of Spices in India: 75Years of Research and Development, Springer, Singapore.  2024; pp-4055-4094. https://doi.org/10.1007/978-981-19-3728-6_64
  2. Thankamani, C. K., V. Srinivasan, J. S. Remya, M. Murugan, M. K. Dhanya, Ravindra Singh, Sharda Choudhary, K. N. Shiva, D. Prasath, R. Dinesh, Lijo Thomas, and R. Praveena (2024). Organic Farming of Spices: Concepts, Issues, and Strategies. In: Ravindran, P.N., Sivaraman, K., Devasahayam, S., Babu, K.N. (eds) Handbook of Spices in India: 75 Years of Research and Development. Springer, Singapore. pp  3949–4054, https://doi.org/10.1007/978-981-19-3728-6_63
Name of Student University (Affiliation) Title of Thesis Completed / Ongoing Year of Completion
Ms. Vijayasanthi K. V. University of Calicut Exploring Trichoderma spp. for their multiple traits to mitigate biotic and abiotic stresses in black pepper (Piper nigrum L.) Ongoing 2026