Population Dynamics of Thrips tabaci in Onion

Authors

  • Wael El-Sheikh Department of Plant Protection, Faculty of Agriculture, Beni-Suef University
  • Hamzah Kamel Plant Protection Dept., Fac. of Agric., Al-Azhar Univ., Nasr City, Cairo
  • Hossam Hariss Department of Scale Insects and Mealy Bugs, Plant Protection Research Institute, Agricultural Research Center A.R.C., 12511 Giza
  • Ahmed El-Tokhy Department of Plant Protection, Faculty of Agriculture, Beni-Suef University

DOI:

https://doi.org/10.55446/IJE.2024.2254

Keywords:

Thrips tabaci, onion, natural enemies, population dynamics, plant age, wheather factors, planting dates, correlation coefficients, temprature, relative humidity, predators

Abstract

Thrips tabaci Lindeman (onion thrips) have become a serious pest threatening onion cultivation. The present study investigated the impact of three planting dates on T. tabaci incidence on onion (Giza 20 variety) for two years (2021-22 and 2022-23). The findings revealed that the T. tabaci recorded 4 peaks in the 1st planting date, the 2nd with an average population density (677.21 and 703.24 individual/plant), followed by the 2nd with 500.05 and 602.13 insects. While the 3th planting date recorded three peaks (385.77 and 494.04 individual/plant). The interaction between plant age, natural enemies, climatic conditions and T. tabaci population density resulted in a strong relationship affecting onion yield.

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Published

2024-10-07

How to Cite

El-Sheikh, W., Kamel, H., Hariss, H., & El-Tokhy, A. (2024). Population Dynamics of Thrips tabaci in Onion. Indian Journal of Entomology. https://doi.org/10.55446/IJE.2024.2254

Issue

Online First

Section

Research Articles
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Scopus
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Europe PMC

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