Infestation levels of sugarcane shoot borer Chilo infuscatellus in Cauvery delta zone of Tamil Nadu, India


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Authors

  • Balasubramaniyan M EID Parry sugars, Alangudi 622301, Tamil Nadu, India
  • Mahesh P ICAR-Sugarcane Breeding Institute
  • Srikanth J ICAR-Sugarcane Breeding Institute
  • B Singaravelu ICAR-Sugarcane Breeding Institute
  • D Puthira Prathap ICAR-Sugarcane Breeding Institute
  • Pothiraja N EID Parry sugars, Alangudi 622301, Tamil Nadu, India

https://doi.org/10.37580/JSR.2010.1.10.94-99

Keywords:

Sugarcane, Shoot borer, Chilo infuscatellus, Cauvery delta zone, Pudukottai, Thanjavur

Abstract

Status of sugarcane shoot borer Chilo infuscatellus Snellen (Lepidoptera: Pyralidae) in the sugarcane command area of Pudukottai and Thanjavur districts lying in the Cauvery delta zone of Tamil Nadu, India, was assessed in May and October during 2013-2015. Infestation levels of the borer varied among eight divisions of the command area, two seasons and three years. In May, mean infestation rate was the highest in Vallathirakottai division (44.32%) and lowest in Andakulam division (37.86%). In October, the highest mean infestation rate was observed in Avanam (37.99%) and the lowest in Andakulam (25.49%). Repeated measures ANOVA analysis indicated that mean shoot borer infestation rate was significantly higher (40.84%) in May than in October (31.24%). Also, mean infestation rate was significantly lower in 2013 than in 2015. The possible factors responsible for the observed variation are discussed.

Author Biography

  • Mahesh P, ICAR-Sugarcane Breeding Institute
    Entomology

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Submitted

30-06-2020

Published

15-10-2020

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Short Communication

How to Cite

M, B., P, M., J, S., Singaravelu, B., Puthira Prathap, D., & N, P. (2020). Infestation levels of sugarcane shoot borer Chilo infuscatellus in Cauvery delta zone of Tamil Nadu, India. Journal of Sugarcane Research, 10(1). https://doi.org/10.37580/JSR.2010.1.10.94-99
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