Dr. (Mrs.) P. VALARMATHI, Scientist
Qualification Ph. D in Plant Pathology
Date of joining 1st January 2015
ICAR- Central Institute for Cotton Research (CICR)
Regional Station, Coimbatore 641003, Tamil Nadu
Phone : 0422-2430045 Fax : 0422-2454021
Mobile : 9677831891


  • Ph D in Plant Pathology, Tamil Nadu Agricultural University, Coimbatore , 2013
  • M.Sc., in Plant Pathology, Tamil Nadu Agricultural University, Coimbatore , 2009
  • B.Sc in Agriculture, Tamil Nadu Agricultural University, Coimbatore , 2007



Designation Organisation Period
Scientist (Probation) NAARM, Hyderabad 01st  January, 2015 to 31st  March, 2015
Scientist (Probation) ICAR-IIRR, Hyderabad 09th April, 2015 to 13th May 2015
Scientist  (Probation) Professional attachment training (PAT) at ICAR-IIRR, New Delhi 14th May, 2015 to 13th August, 2015
Scientist ICAR-IIRR, Hyderabad 15th August, 2015 to 24th June, 2017
Scientist ICAR-CICR, Nagpur 27th June, 2017 to 18th August, 2017
Scientist ICAR-CICR, Coimbatore 21st August, 2017 to till present




  • Young scientist award sponsored by Society for Scientific Development in Agriculture & Technology, 2016.
  • Best poster commendation award sponsored by Indian Phytopathological Society, 2016
  • Received ‘A’ grade in 101st FOCARS training at NAARM after successful completion of “FOUNDATION COURSE” comprising Foundation training, Orientation training and Professional attachment training during 2015.
  • IVS-Young scientist award sponsored by Indian Virological Society, 2014
  • Third rank holder in Plant  Pathology- Agricultural Research Service (ARS) exam, 2013
  • Qualified the National Eligibility Test (NET) in Crop Protection conducted by Agricultural Scientist Recruitment Board (ASRB)- ICAR, India, 2012
  • INSPIRE JUNIOR RESEARCH FELLOW (PROFESSIONAL) sponsored by Dept. of Science and Technology, Govt. of India, New Delhi, 2010
  • Dr. K. Balaraman award for the best student in Plant Protection Studies, 2010
  • Prof. K. Ramakrishnan award for the best student in Plant Pathology, 2010
  • TNAU First rank holder in Post graduation, 2010
  • TNAU Merit Scholarship holder in Post graduation, 2008



  • Scientist: October 2017 to till present: “Studies on symptom expression, host range, transmission and spread of Tobacco streak virus (TSV) infecting Cotton”
  • Scientist: December 2015 to June 2017: “Host plant resistance on brown spot disease of rice and its management”.
  • Scientist (Probation): May 2015 to August 2015: “Studies on Brown Spot of rice caused by Bipolaris oryzae
  • Doctor of Philosophy: Characterization of Rice Orange Leaf Phytoplasma and Studies on Efficacy of Transgenic Resistance to RTBV on ‘Rice Tungro Disease’
  • Senior Research Fellow: August 2014 to December 2014, Dept of Rice, TNAU, Coimbatore: Generation of virus resistant rice for India: Diversifying transgenic resistance to popular varieties - Phase-II
  • Senior Research Fellow:  November 2009 to August 2010, TNAU, Coimbatore: Engineering Tobacco streak ilarvirus resistance in Soybean through RNA silencing technology
  • Master of Science: Variability studies on Grapes Downy Mildew pathogen (Plasmopara viticola) and its management





Agbio’ 2011 Global Summit on Agbio innovations Tamil Nadu Agricultural University, Coimbatore 31st January   to 2nd February, 2011
Global Workshop on “Molecular Methods in Plant Virus Diagnosis” DSMZ, Germany & Tamil Nadu Agricultural University, Coimbatore 16th - 20th July, 2013
Professional Attachment Training (PAT) Division of Plant Pathology, ICAR- IARI, New Delhi 13th May, 2015 to 13th August, 2015
Short course on ”Modern Integrated Crop Breeding Tools-Breeding Management System” ICAR-IIRR, Hyderabad 18th -27th January, 2016




  • Life member in “Society for Advanced Rice Research, Journal of rice Research”
  • Life member in “Valarum Velanmai”
  • Annual member in “Indian Phytopathological Society (IPS)”
  • Annual member in “Research Journal of Biotechnology”
  • Member in “International Cotton Researchers Association”



  • Articles presented in seminar/symposium- International : 13
  • Articles presented in seminar/symposium- National :4
  • Popular articles: 27
  • Book: English- 1; Book Chapters: English- 1, Tamil- 1
  • Technical bulletins: English- 1, Telugu- 1
  • Sequences submitted in NCBI: 32


International Journals

  • Valarmathi, P., Sushil Kumar, P, Priya, V., Rabindran, R. and Chandrasekar, G. 2013. Compatibility of Copper hydroxide (Kocide 3000) with Biocontrol Agents. IOSR Journal of Agriculture and Veterinary Science (IOSR-JAVS), 3: 28-31.
  • Valarmathi, P., Sushil Kumar, P, Priya, V., Rabindran, R. and Chandrasekar, G. 2013. Studies on the quality of grapevine berries sprayed with copper fungicide. International Journal of Scientific and Research Publications, 3 (8): 1-7.
  • Valarmathi, P., R. Rabindran., R. Velazhahan., S. Suresh and S. Robin. 2013. First report of Rice orange leaf disease phytoplasma (16 SrI) in rice
    ( Oryza sativa ) in India. Australasian Plant Dis. Notes. 8: 41-43.
  • Valarmathi, P. and R. Rabindran. 2013. Detection of Rice Tungro Bacilliform Virus (RTBV) and Rice Tungro Spherical Virus (RTSV) from the vector, Greenleaf hopper. International Journal of Tropical Agriculture, 31(3-4): 245-248.
  • Divya, B., Robin, S., Rabindran, R., Manjunath, H., Valarmathi, P. and John Joel, A. 2013. Resistance reaction of gene introgressed lines against rice blast (Pyricularia oryzae) disease. Australasian Plant Pathology, 43 (2): 177-191.
  • P. Valarmathi and R. Rabindran. 2015. Nested PCR assay for detection of Rice Orange Leaf phytoplasma in the Zigzag leafhopper vector, Recilia dorsalis (Motschulsky): a first report. The Ecoscan, 9(3&4): 837-839
  • P. Valarmathi, G. Kumar, S. Robin, S. Manonmani, I. Dasgupta and R. Rabindran. 2015. Evaluation of virus resistance and agronomic performance of rice cultivar ASD 16 after transfer of transgene against Rice tungro bacilliform virus by backcross breeding. Virus Genes, 52(4):521-529.
  • Singh Kartar, Valarmathi P, Sharma Sapna , Bashyal Bishnu Maya, Gurjar Malkhan Singh and Aggarwal Rashmi. 2016. Association of melanin content with pathogenicity and virulence in Bipolaris oryzae. Research Journal of Biotechnology. Vol. 11 (9): 37-42.
  • D. Ladhalakshmi, R. Rabindran, Salaheddin Khabbaz and P. Valarmathi. 2016. Molecular variability of Rice Tungro Bacilliform Virus in Tamil Nadu. Progressive Research- An International Journal. Volume 11 (Special-VI): 3679-3681. 
  • Valarmathi P, D. Ladhalakshmi and R. Rabindran. 2017. Characterization of a 16SRI-B sub group phytoplasma associated with Rice Orange Leaf Phytoplasma through RFLP studies. Progressive Research- An International Journal. Volume 12 (Special-I): 713-716. 

National Journals

  • Valarmathi, P., Priya, V., Rabindran, R. and Chandrasekar, G. 2011. Microtomy of grapevine (Vitis vinifera) leaf tissue showing symptoms of downy mildew pathogen   (Plasmopara viticola). Journal of Mycology and Plant Pathology, 41 (4): 597-599
  • Archana,S., Prabakar, K., Raguchander, T., Manjunath, H., Valarmathi, P. and Prakasam, V. 2011. Defense responses of grapevine to Plasmopara viticola induced by Azoxystrobin and Pseudomonas fluorescens. International journal of sustainable agriculture, 3(1):30-38.
  • Valarmathi, P., Sushil Kumar, P, Priya, V., Rabindran, R. and Chandrasekar, G. 2013. Molecular variability studies of Plasmopara viticola, the causal agent of downy mildew of grapes in Tamil Nadu. Journal of Today’s Biological Sciences: Research & Review, 2 (1): 47-59.
  • Valarmathi, P., R. Rabindran, R. Velazhahan, S. Suresh and S. Robin. 2013. Molecular detection of tungro disease from the infected rice samples by PCR approach. The Madras Agricultural Journal, 100:148-152.
  • Valarmathi, P., Sushil Kumar, P, Priya, V., Rabindran, R. and Chandrasekar, G. 2013. Management of Downy mildew of Grapes by new formulation of copper hydroxide (Kocide 3000). Journal of Today’s Biological Sciences: Research & Review, 2 (2): 11-20.
  • Valarmathi Pandian, Rethinasamy Velazhahan , Seetharaman Suresh , Sabariappan Robin , Ramalingam Rabindran and Govind P. Rao. 2015. Subgroup level identification of rice orange leaf phytoplasma and its natural transmission through zigzag leafhopper (Recilia dorsalis) in India. Phytopathogenic Mollicutes, 5(2): 107-112.
  • PM Srinivas, D Ladhalakshmi, GS Laha, D Krishnaveni, C Kannan, V Prakasam and P Valarmathi. 2015. Changing disease scenario in rice and its management. Plant Disease Research, 30 (2): 200-201.

I certify that the above information is correct to the best of my knowledge - Dr. Valarmathi

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