Journal of Biological Control

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The effect of 2 different rates of release of an exotic predatory mite, Phytoseiulus persimillis of Athlas. Henriot on two-spotted spider mite, Tetranychus urticae Koch. on French beans was investigated. Release of predatory mite significantly reduced the population of spider mites in release plots compared to check. A release rate of 10 adults per plant gave better control than did 5 adults per plant. The mean fruit yield was also significantly higher in release plots than the check.

Keywords

Phytoseiulus perslmilis, Tetranychus urticae, Control, French Beans.
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