Population Dynamics of the Rice Leaf Folder Cnaphalocrocis medinalis Guenee: A Lifetable Study

Authors

  • P. S. Arya Chaudhary Chhotu Ram (Post Graduate) College, Muzaffarnagar 251001, Uttar Pradesh
  • Subhash Chander ICAR-National Research Centre for Integrated Pest Management, New Delhi 110012
  • S. Rajna Division of Entomology, ICAR-Indian Agricultural Research Institute (IARI), New Delhi 110012
  • Prabhulinga Tenguri ICAR-National Research Centre for Integrated Pest Management, New Delhi 110012
  • Yogesh Yele ICAR-Central Institute for Cotton Research, Nagpur 440010, Maharashtra

DOI:

https://doi.org/10.55446/IJE.2023.1335

Keywords:

Cnaphalocrocis medinalis, rice, lifetable, developmental stages, survival, mortality, k value, weakest lifestage, population trend index, population dynamics, IPM, larval instars, population trend index

Abstract

The rice leaf folder Cnaphalocrocis medinalis Guenee has become a major concern, causing outbreaks in various parts of India. A lifetable study was conducted to analyze the growth, survival, reproduction, and mortality of C. medinalis, aiming to determine the weakest lifestages and unravel its population dynamics. The study observed the highest survival rate at the fourth-instar larval stage and the lowest during the egg and first-instar larval stages. A population trend index of 5.9 was observed, indicating significant population growth.

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Published

2023-11-01

How to Cite

Arya, P. S., Chander, S., Rajna, S., Tenguri, P., & Yele, Y. (2023). Population Dynamics of the Rice Leaf Folder <i>Cnaphalocrocis medinalis</i> Guenee: A Lifetable Study. Indian Journal of Entomology, 1–3. https://doi.org/10.55446/IJE.2023.1335

Issue

Online First

Section

Research Communications
Crossref
Scopus
Google Scholar
Europe PMC

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