September 28, 2025Plant Science TodayOpen Access

The effect of abiotic factors on incidence of major insect pests in cowpea [Vigna unguiculata (L.) Walp.]

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Correlation analysis reveals how temperature and humidity influence pest populations in cowpea, suggesting improvements for pest management.

Temperature positively influences the population of jassids, whiteflies, and Maruca vitrata, while relative humidity suppresses their numbers.
Jassids and whiteflies showed a correlation coefficient of 0.668 and 0.670 with maximum temperature during Kharif 2022, respectively.
Field experiments conducted in Rajasthan over two seasons highlighted the significance of seasonal environmental conditions on pest incidence.
Incorporating weather-based forecasting in pest management strategies for cowpea is crucial for more effective interventions.

Ram et al. (2025) studied this question.

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Correlation analysis reveals how temperature and humidity influence pest populations in cowpea, suggesting improvements for pest management.