Effect of BT and Non-BT Cotton on Biology of Thrips Tabaci and Its Management Using Insecticides

Authors

  • Vijay Kumar Department of Entomology, Punjab Agricultural University, Ludhiana 141004, Punjab
  • Arpit Kumar Department of Entomology, Punjab Agricultural University, Ludhiana 141004, Punjab
  • Vikas Jindal Department of Entomology, Punjab Agricultural University, Ludhiana 141004, Punjab

DOI:

https://doi.org/10.55446/IJE.2023.508

Keywords:

Thrips tabaci, Bt cotton, biology, insecticides, spinetoran, safety, predators

Abstract

The development of Thrips tabaci was studied on transgenic BG I, BG II, non-Bt, and desi cotton cultivars. The oviposition period was minimum on desi cotton, FDK 124 (11.67 days) as compared to BG II (RCH 650) and non-Bt cotton (LH 2076). Female longevity was minimum on FDK 124 (17.50 days) followed by RCH 650 (23.17 days) and LH 2076 (21.83 days). Maximum female longevity was recorded on BGI cotton cultivar RCH 308 (26.83 days). Nymphal, pupal period, and total development period were minimum on FDK 124 (8.17, 2.33, and 34.00 days) as compared to Bt and non-Bt cotton cultivar, LH2076. Based on the higher oviposition period, female longevity, fecundity, and nymphal period, Bt cotton hybrids were found to be more favourable for thrips development in comparison to non-Bt cotton cultivars and desi cotton . The new generation insecticide, spinetoram 11.7SC @ 425g/ha was most effective and also found to be safe to the predators.

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Published

2023-01-31

How to Cite

Kumar, V., Kumar, A., & Jindal, V. (2023). Effect of <i>BT</i> and Non-<i>BT</i> Cotton on Biology of <i>Thrips Tabaci</i> and Its Management Using Insecticides . Indian Journal of Entomology, 86(1), 162–167. https://doi.org/10.55446/IJE.2023.508

Issue

Volume 86, Issue 1, March 2024

Section

Research Articles
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