Population Dynamics of Helicoverpa armigera on Soybean

Authors

  • Zuhaib Farooq Division of Entomology, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, Sopore 193201, UT of Kashmir
  • Mohd. Ayoob Mantoo Division of Entomology, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, Sopore 193201, UT of Kashmir
  • Munazah Yaqoob Division of Entomology, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, Sopore 193201, UT of Kashmir
  • Liyaqat Ayoub Division of Entomology, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, Sopore 193201, UT of Kashmir
  • Sheikh Salma Irshad Division of Entomology, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, Sopore 193201, UT of Kashmir
  • Tauseef Ahmad Bhat Division of Agronomy, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, Sopore 193201, UT of Kashmir
  • Fehim Jeelani Wani Division of Agricultural Economics and Statistics, Faculty of Agriculture, Wadura Sopore Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, Sopore 193201, UT of Kashmir
  • Ishfaq Majeed Shah Division of Entomology, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, Sopore 193201, UT of Kashmir
  • Showkat Ahmad Sheikh Division of Entomology, Sher-e-Kashmir University of Agricultural Sciences and Tech. of Kashmir, Sopore 193201, UT of Kashmir

DOI:

https://doi.org/10.55446/IJE.2022.590

Keywords:

Helicoverpa armigera, infestation, incidence, relative humidity, temperature, rainfall, sunshine hours, correlation coefficients, seasonal incidence

Abstract

This study on the population dynamites of pod borer Helicoverpa armigera (Hubn.) on soybean revealed that it appeared from 29sup>th</sup> Standard meteorological week (SMW) (0.40± 0.10 three leaves/ plant). It increased and reached its peak level of 2.67± 0.17/ 3 leaves/ plant during 33rd SMW. The declining trend was observed and reached 0.60± 0.13/ 3 leaves/ plant during 40<sup>th</sup> SMW. The peak infestation was 48% during 35sup>th</sup> SMW. The incidence exhibited non-significant positive correlation with maximum (r= 0.227) and minimum temperature (r= 0.335) and evening relative humidity (RH) (r=0.315); and a significant positive one with morning RH (r= 0.599) and significant negative one with rainfall (r= -0.42). The sunshine was found to be negatively and non-significantly correlated (r = -0.069).

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Published

2023-06-01

How to Cite

Farooq, Z., Ayoob Mantoo, M., Yaqoob, M., Ayoub, L., Salma Irshad, S. ., Ahmad Bhat, T., … Ahmad Sheikh, S. (2023). Population Dynamics of <i>Helicoverpa armigera</i> on Soybean. Indian Journal of Entomology, 85(2), 426–427. https://doi.org/10.55446/IJE.2022.590

Issue

Volume 85, Issue 2, June 2023

Section

Research Communications
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