Effect of elevated carbon dioxide on biology and morphometric parameters of yellow stem borer, Scirpophaga incertulas infesting rice (Oryza sativa)

Authors

  • GOURI SHANKAR GIRI Tirhut College of Agriculture, Dholi, RPCAU Muzaffarpur, India
  • S. V. S. RAJU Institute of Agricultural Science, BHU, Varanasi, India
  • S. D. MOHAPATRA ICAR-National Rice Research Institute, Cuttack, India
  • MUNMUN MOHAPATRA Orissa University of Agriculture & Technology, Bhubaneswar, India

DOI:

https://doi.org/10.54386/jam.v24i1.778

Keywords:

Cereals, Insect, Climate change, Growth, Development

Abstract

An experiment was conducted at Research Farm, National Rice Research Institute, Cuttack, Odisha, India to quantify the effect of elevated carbon dioxide (CO2) concentrations on the biology and morphometric parameters of yellow stem borer (Scirpophaga incertulas, Pyralidae, Lepidoptera). Yellow stem borer is one of the major pest of rice in the whole rice growing regions of South East Asia. The effect of three carbon dioxide concentrations i.e. 410 ppm (ambient), 550 ppm and 700 ppm on the duration of the developmental period as well as morphometric parameters of each stage of the lifecycle of the pest was analysed. It was found that, there was an increase in the duration of the developmental period of each stage of life cycle as the concentration of CO2 increases. However, the life span of the adult moth was significantly lower under the elevated CO2 concentrations when compared with ambient CO2 concentration. Morphometric parameters viz., mean length, width and weight of each larval instar, pupa and adult were found to be significantly higher in elevated concentrations of CO2 as compared to ambient concentration.

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Published

11-02-2022

How to Cite

GOURI SHANKAR GIRI, S. V. S. RAJU, S. D. MOHAPATRA, & MUNMUN MOHAPATRA. (2022). Effect of elevated carbon dioxide on biology and morphometric parameters of yellow stem borer, Scirpophaga incertulas infesting rice (Oryza sativa). Journal of Agrometeorology, 24(1), 77–82. https://doi.org/10.54386/jam.v24i1.778

Issue

Vol. 24 No. 1 (2022): March

Section

Research Paper

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Copyright (c) 2022 GOURI SHANKAR GIRI, S. V. S. RAJU , S. D. MOHAPATRA, MUNMUN MOHAPATRA

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