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VOL. 11, ISSUE 4 (2026)
Whitefly (Bemisia tabaci L.) monitoring using yellow sticky traps in relation to screening of cowpea genotypes against yellow mosaic virus
Authors
Swati Mehra, Dalvinder Pal Singh, Meenu
Abstract
The current study monitored adult whiteflies (Bemisia tabaci L.)
with double-sided yellow sticky traps under natural field conditions while
evaluating cowpea genotypes for yellow mosaic virus resistance in 2023-24. The
highest whitefly count, 691 i.e. adults per trap, was observed during the 16th
Standard Meteorological Week (the third week of April). During this period,
temperatures ranged from 19.0°C to 35.9°C, with morning and evening relative
humidity at 68% and 22%, respectively, and 7.7 hours of sunshine. The Pearson’s
correlation analysis showed no correlation between whitefly population and
weather factors. Screening of 18 cowpea genotypes (including checks) against
yellow mosaic virus incidence showed that 8 genotypes were highly resistant
with 5% disease severity (Grade 1), while another 8 genotypes were resistant
with 17% severity (Grade 3). Overall, yellow sticky traps can serve as an
important component of integrated strategies to manage whitefly-mediated CYMV
transmission in the field.
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Pages:37-40
How to cite this article:
Swati Mehra, Dalvinder Pal Singh, Meenu "Whitefly (<i>Bemisia tabaci</i> L.) monitoring using yellow sticky traps in relation to screening of cowpea genotypes against yellow mosaic virus". International Journal of Entomology Research, Vol 11, Issue 4, 2026, Pages 37-40
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