Bioefficacy of diafenthiuron 50 WP from new source against sucking insect pests in Bt cotton


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Authors

  • M B Zala
  • G D Bhut
  • C C Patel
  • L V Ghetiya
  • T M Bharpoda
  • P K Borad

Keywords:

Btcotton, sucking insect pests, diafenthiuron 50 WP, seed cotton yield

Abstract

Field studies were conducted during two consecutive Kharif seasons of 2011 and 2012 in order to evaluate the bio-efficacy of diafenthiuron 50 WP from New source (NS) along with diafenthiuron 50 WP from Existing source (EX) @ 300 g a.i./ha and imidacloprid 17.8 SL @ 20 g a.i./ha as standard check against sucking pest complex of cotton. Diafenthiuron 50 WP (NS)@ 300 g a. i./ha was found highly effective in reducing the population of aphid, jassid, thrips and whitefly in cotton followed by imidacloprid 17.8 SL @ 20 g a.i./ha. The seed cotton yield was also recorded to be significantly highest in diafenthiuron 50 WP (NS)@ 300 g a.i./ha (32.5 q/ha) followed by imidacloprid 17.8 SL @ 20 g a.i./ha (30.2 q/ha) and diafenthiuron 50 WP (NS) @ 250 g a. i./ha. (30.1 q/ha). Considering the bio-efficacy and yield, diafenthiuron 50 WP (NS) @ 300 g a.i./ha was found effective against major sucking pests in Bt cotton.

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Submitted

2020-10-31

Published

2020-11-02

How to Cite

Zala, M. B., Bhut, G. D., Patel, C. C., Ghetiya, L. V., Bharpoda, T. M., & Borad, P. K. (2020). Bioefficacy of diafenthiuron 50 WP from new source against sucking insect pests in Bt cotton. Indian Journal of Plant Protection, 42(4). Retrieved from https://epubs.icar.org.in/index.php/IJPP/article/view/106797

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Articles