Wspólnotowy Serwis Informacyjny Badan i Rozwoju - CORDIS


TRIPHELIO Streszczenie raportu

Project ID: ICA4-CT-2001-10004
Źródło dofinansowania: FP5-INCO 2
Kraj: Egypt

Recommendations for the pesticide use in olive cultivation to minimize side effects on beneficials

Insecticides used currently in olive cultivation were evaluated for potential side-effects on the egg parasitoid T. cacoeciae March., following IOBC-guidelines. Insecticides used at the field recommended rates differed in their initial as well as residual toxicity. Deltamethrin (2.5%) was the most toxic compound to the adult and pupae of T. cacoeciae and the most persistent one, while Malathion was the least toxic compound to the adult and pupae of T. cacoeciae and the least persistent one.

The two mineral oils reduced parasitism up to 25% and were therefore rated as harmless to the adult stage of the parasitoid. Harmful and persistent chemicals pose particular risks for many key parasitoids and predators, especially those that are active in the olive groves through the whole season. Short-lived preparations like mineral oils and Malathion are likely to have much less total impact on natural enemies than persistent ones and are therefore more suitable for use in integrated plant protection. Results can be used to outline guidelines for insecticide application in olive cultivation.

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Reported by

Horria St.Fleming 536
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