Rice brown planthopper, Nilaparvata lugens (Stål) feeding behavior in relation to elevated CO2 and temperature


  • V. SUNIL ICAR - Indian Institute of Rice Research, Rajendranagar, Hyderabad, India
  • V. JHANSI LAKSHMI ICAR-Indian Institute of Rice Research, Rajendranagar, Hyderabad, India
  • K. CHIRANJEEVI ICAR-Indian Institute of Rice Research, Rajendranagar, Hyderabad, India
  • D. SANJEEVA RAO ICAR-Indian Institute of Rice Research, Rajendranagar, Hyderabad, India
  • M. SAMPATH KUMAR ICAR-National Bureau of Agricultural Insect Resources, Bengaluru, India.




Elevated CO2 and temperature, honeydew excretion, Nilaparvata lugens, feeding behavior, Brown planthopper populations


Feeding behavior of brown planthopper, Nilaparvata lugens (Stål) populations collected from different geographical regions Ludhiana, Nalgonda and West Godavari at three generations 1, 5 and 10 fed on rice plants grown under different CO2 and temperature levels 1) Ambient CO2@ 380±25ppm + ambient temperature (aCO2+aT), 2) Elevated CO2@500±25ppm + ambient temperature (eCO2+aT) and 3) Elevated CO2@500±25ppm + elevated temperature (eCO2+eT) in closed CO2 chambers was studied. Elevated CO2 + elevated temperature increased feeding rate of BPH nymphs while BPH adults showed declined feeding rate. BPH nymphal feeding rate increased with progressive generations while it decreased in BPH adults. Ludhiana adult BPH population showed higher honeydew excretion compared to West Godavari and Nalgonda populations. CO2 + temperature levels at progressive generations have varying effects on adults and nymphs of three BPH populations. Biochemical composition of rice plants grown under different CO2 levels revealed increased rate of soluble sugars, phenols and decreased rate of reducing sugars, soluble proteins, free amino acids, nitrogen, potassium, phosphorous in elevated CO2 + elevated temperature levels compared to ambient conditions. Increased feeding rate of BPH under elevated CO2 levels may be to compensate changes in host plant quality i.e., high soluble sugars and low nitrogen.


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How to Cite

SUNIL, V., LAKSHMI, V. J., CHIRANJEEVI, K., D. SANJEEVA RAO, & M. SAMPATH KUMAR. (2024). Rice brown planthopper, Nilaparvata lugens (Stål) feeding behavior in relation to elevated CO2 and temperature. Journal of Agrometeorology, 26(1), 92–98. https://doi.org/10.54386/jam.v26i1.2519



Research Paper