Efficacy of Insecticides Against Pink Stem Borer Sesamia Inferens Walker Infesting Barnyard Millet Echinochloa Frumentacea

Authors

  • M. Roopika Department of Agricultural Entomology, Agricultural College and Research Institute (TNAU), Madurai 625104, Tamil Nadu
  • G. Srinivasan Department of Agricultural Entomology, Agricultural College and Research Institute (TNAU), Madurai 625104, Tamil Nadu
  • M. Shanthi Department of Agricultural Entomology, Agricultural College and Research Institute (TNAU), Madurai 625104, Tamil Nadu

DOI:

https://doi.org/10.55446/IJE.2021.333

Keywords:

Sesamia inferens, Echinochloa frumentacea, insecticides, deadheart, white ear, spinetoram, chlorantraniliprole, phorate, yield, cost benefit ratio

Abstract

Pink stem borer Sesamia inferens causes deadheart and white ear symptoms by boring into stem
and peduncle region causing yield losses in barnyard millet. A field trial to find out efficacy of cartap
hydrochloride 4G, chlorantraniliprole 18.5SC, flubendiamide 20WG, emamectin benzoate 5SG, spinetoram 11.7SC and phorate 10G against S. inferens was carried out in Tamil Nadu. Spinetoram 11.7SC (92.63%) was the most effective followed by flubendiamide 20WG (90.56%). Phorate 10G (81.57%) was found to be less effective. Plots treated with spinetoram 11.7SC gave maximum yield (9.57 q/ ha) with the cost benefit ratio of 1:3.08 followed by flubendiamide 20% WG (8.91 q/ ha) with the cost benefit ratio of 1:3.42. Phorate 10 G was the least performing treatment with 29.62% increase in yield over control with the cost benefit ratio of 1:2.84. Control plot recorded 44.5% less yield when compared to treated plots.

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Published

2022-07-26

How to Cite

Roopika, M., Srinivasan, G., & Shanthi, M. (2022). Efficacy of Insecticides Against Pink Stem Borer <i>Sesamia Inferens</i> Walker Infesting Barnyard Millet <i>Echinochloa Frumentacea</i>. Indian Journal of Entomology, 84(1), 126–128. https://doi.org/10.55446/IJE.2021.333

Issue

Section

Research Communications

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