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International Journal of
Zoology Studies
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VOL. 10, ISSUE 4 (2025)
Evaluation of intercropping and other methods for controlling Tetranychus urticae Koch on tomato plants in Dakahlia Governorate
Authors
Heba M Nasr, Naglaa F R Ahmad, Wafaa M Gaber
Abstract

Tomato (Solanum lycopersicon), one of the most widely grown vegetable crops in Egypt. Egypt is the world’s fifth largest producer which produces about 8 million tons of tomatoes per year. The two spotted spider mite Tetranychus urticae Koch, considered one of the main pests for tomato plants. Three experiments were done during the season of 2025 at ElGodaieda district, Dakahlyia Governorate to evaluate the effect of intercropping, plant extract, Acaricide and the efficiency of the predatory mite, Phytoseiulus persimilis in controlling T. urticae infesting tomato plants.

Obtained results showed that intercropping with onion was the most effective method with reduction percentage of (66.83%) followed by cabbage and been with (24.55% & 14.47%), respectively. The efficacy of plant extract (Neem) and the Acaricide (Cormite), were (57.11% & 94.80%), reduction percentage respectively.

The third trail was releasing of predatory mite, P. persimilis with a rate of 15- 20 mite per plant. The population of T. urticae reduced by (81.28%) after three weeks of the release.
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Pages:63-65
How to cite this article:
Heba M Nasr, Naglaa F R Ahmad, Wafaa M Gaber "Evaluation of intercropping and other methods for controlling <i>Tetranychus</i> <i>urticae</i> Koch on tomato plants in Dakahlia Governorate". International Journal of Zoology Studies, Vol 10, Issue 4, 2025, Pages 63-65
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