Scientific Staff

Dr. PG Padmaja

Dr. PG Padmaja

Discipline: Agrl. Entomology | Designation: Principal Scientist | At IIMR Since: 1998

Email:  |  Mobile: 09963101952

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Academic Qualifications

Degree Institute/ University Year of completion Subject(s) with major field
Ph. D (Agril Ento) Indian Agricultural Research Institute (IARI), New Delhi 1998 Agricultural Entomology
(Insect Physiology)
M. Sc. (Ag.)

Agricultural College, Tirupati

Andhra Pradesh Agricultural University
1992 Agricultural Entomology
B. Sc. (Ag)

Agricultural College, Tirupati

Andhra Pradesh Agricultural University
1990 Agricultural Sciences

Employment Record & Experience (Starting from the present position)

Designation Organization Institution & place of posting Period
(years, months)
Principal Scientist ICAR ICAR-Indian Insititute of Millests Research 5-1-2013 to till date  
Senior Scientist ICAR Directorate of Sorghum Research, Hyderabad 5-1-2007 to 4-1-2013 6 years
Scientist (Sr.scale) ICAR Directorate of Sorghum Research, Hyderabad 5-1-2003 to 4-1-2007 4years
Scientist ICAR Directorate of Sorghum Research, Hyderabad 5-1-1998 to 4-1-2003 5years

Current responsibilities:

  • Chemical ecology of host location in insects
  • Host preference of Atherigona spp across millets
  • Identification of Kharif grain, sweet and high biomass sorghums resistant to shoot pests
  • Stored grain pest management
  • Guidance for doctoral students

Recent 3 major contributions:

  • Identified herbivore induced defense volatiles in sorghum
  • Developed a new technique based on plant volatiles for studying host selection behaviour by shoot fly and stemborer in sorghum
  • Identified a Bt transgenic event with Cry1B gene resistant to stemborer
  • Registered one germplasm and two shoot fly resistant lines with NBPGR

Recent awards and recognitions:

  • Woman Scientist Award, 2019 by Dr B Vasantharaj David Foundation, for commendable contributions to Insect - Plant interactions
  • Dr.(Mrs) Jagadiswari Rao Women Scientist Award, 2019 by Applied Zoological Research Association (AZRA).
  • Fellow of Royal Entomological Society of London (FRES), 2018
  • Dr EK Janaki Ammal Memorial NABS- Best Woman Scientist Award, 2018 by National Academy of Biological Sciences
  • Fellow of National Academy of Biological Sciences, 2018
  • Life Fellow of Entomological Society of India (FESI), 2017
  • Rothamsted International Fellow (RIF) from Rothamsted International, UK, 2010.
  • Fellow of Plant Protection of Association of India, 2012.


Current collaborative activities:

  • Nil

Recent most significant publications:

  • Padmaja, P.G., Shwetha, B.L., Kalaisekar, A. and Vilas A Tonapi 2019. Effect of host plant on growth, tissue proteins and gut enzymes of pink borer Sesamia inferens in millets. Indian Journal of Entomology 81(2):280-285.
  • Padmaja, P.G., Shwetha, B.L., Kalaisekar, A., Elangovan, M. and Vilas A Tonapi 2019. Effect of sorghum grain quality on progeny emergence of Sitophiuls oryzae L. (Coleoptera: Curculionidae). Indian Journal of Entomology 81(2):261-265.
  • Padmaja, P.G., Shwetha, B.L., Swetha, G. and Patil, J.V. 2014. Oxidative enzyme changes in sorghum infested by the sorghum shoot fly, Atherigona soccata. Journal of Insect Science 14 (1) : 193
  • Shyam Prasad, G., Srinivasa Babu, K., Sridhar, M., Padmaja, P.G. Subbarayudu, B., Kalaisekar, A. and Patil, J.V. 2015. Resistance in sorghum to Sitophilus oryzae (L.) and its association with grain parameters, Phytoparasitica 43 (3) : 391-399.
  • Visarada , K.B.R.S., Padmaja, P.G., Saikishore, N., Pashupatinath , Royer , M., N. Seetharama, N. and J. V. Patil 2014. Production and evaluation of transgenic sorghum for resistance to stem borer. In Vitro Cell. Dev. Biol.- Plant 50:176–189

Other professional activities

  • Life Member, Plant Protection Association of India
  • Life Member, Entomological Society of India
  • Life Member, Society for Millet Research, Hyderabad

Dr. PG Padmaja