Survival of Cotton Stem Weevil Pempheruls Affinis Faust as Influenced by Stacking Conditions

Authors

  • G Priyatharsini Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore 641003, Tamil Nadu
  • K Premalatha Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore 641003, Tamil Nadu
  • S V Krishnamoorthy Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore 641003, Tamil Nadu
  • K senguttuvan Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore 641003, Tamil Nadu
  • S Harish Department of Plant Pathology, Tamil Nadu Agricultural University, Coimbatore 641003, Tamil Nadu

DOI:

https://doi.org/10.55446/IJE.2024.1890

Abstract

The survival of lifestages viz., larval, pupal and adult of the cotton stem weevil Pempherulus affinis Faust was studied under different stacking conditions viz., cotton stalk heaped, sun drying of cotton stalks, sprinkling of water once in every five days, and cotton stalks in submerged condition. The treatment of sun drying of cotton stalks (T3) revealed the least survival of larva, pupa and adult at 10, 20, 30 and 40 days after stacking (DAS); it was 37.62, 28.43, 26.92 and 19.97%, respectively. Maximum survival of 73.07, 65.70, 58.38 and 49.22% was obtained with sprinkling of water once every five days (T2) at 10, 20, 30 and 40 DAS, respectively. Thus, sun drying of cotton stems after harvest has been observed to arrest the carryover of the pest to the succeeding crop.

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Published

2024-05-10

How to Cite

Priyatharsini, G., Premalatha, K., Krishnamoorthy, S. V., senguttuvan, K., & Harish, S. (2024). Survival of Cotton Stem Weevil <i>Pempheruls Affinis</i> Faust as Influenced by Stacking Conditions. Indian Journal of Entomology, 1–3. https://doi.org/10.55446/IJE.2024.1890

Issue

Online First

Section

Research Communications
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Europe PMC

References

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