Efficacy of Some Insecticides Against Aphid, Aphis craccivora Koch in Fenugreek

Authors

  • Shreya Mishra Agricultural Research Station, Agriculture University, Mandor, Jodhpur 342304, Rajasthan
  • Shalini Pandey Agricultural Research Station, Agriculture University, Mandor, Jodhpur 342304, Rajasthan

DOI:

https://doi.org/10.55446/IJE.2023.1016

Keywords:

Trigonella foenum-graecum, Aphis craccivora, insecticides, flonicamid azadirachtin, efficacy, coccinellids, yield, comparative economics, benefit cost ratio

Abstract

A field experiment was carried out to test the efficacy of insecticides against aphid Aphis craccivora in fenugreek at the Research Farm, Agricultural Research Station, Mandor-Jodhpur during rabi, 2021-22. After two sprays, flonicamid 50 WG was found most effective while azadirachtin 10,000 ppm (4.73 aphids/5 cm central shoot) treated plots was found least effective. Maximum yield (1722 kg/ha) was obtained from the plots treated with flonicamid 50 WG. The highest benefit-cost ratio was observed with thiamethoxam 25 WG (3.79:1) followed by flonicamid 50 WG (3.57:1). All the treatments showed no harmful effect on the natural enemies especially the coccinellids.

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Author Biography

Shalini Pandey, Agricultural Research Station, Agriculture University, Mandor, Jodhpur 342304, Rajasthan

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Published

2023-05-04

How to Cite

Mishra, S., & Pandey, S. (2023). Efficacy of Some Insecticides Against Aphid, <i>Aphis craccivora</i> Koch in Fenugreek. Indian Journal of Entomology. https://doi.org/10.55446/IJE.2023.1016

Issue

Online First

Section

Research Articles
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