אסיף מאגר המחקר החקלאי

Processed kaolin protects fruits from Mediterranean fruit fly infestations

Year:

2004

Source of publication :

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Volume :

23

Co-Authors:

Mazor, M., Institute of Plant Protection, A.R.O., Volcani Center, P.O.B. 6, Bet Dagan 50250, Israel
Erez, A., Institute of Horticulture, A.R.O., Volcani Center, P.O.B. 6, Bet Dagan 50250, Israel

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Abstract:

Laboratory and field trials with fruits treated with the processed kaolin 'Surround WP' in nectarines, in apples and in persimmons indicated an almost complete protection against infestations of the Mediterranean fruit fly (medfly), Ceratitis capitata (Wiedemann) (Diptera: Tephritidae). In laboratory trials with 'Sunsnow' nectarines, in a choice and no choice tests, female flies avoided landing on treated fruits and no infestations resulted. In field trials against heavy infestations on 'Gala' apples, 'Flamekist' nectarines and 'Triumph' persimmons practically clean fruits were obtained in the processed kaolin sprayed trees. The promising results of these experiments point to the feasibility of using particle film technology composed of a non-toxic material, to avoid medfly damage as an alternative to intensive applications of insecticides presently used in commercial plantations as well as in organic orchards which still lack effective treatment against this pest. This material was approved by the Organic Materials Review Institute in the US. © 2003 Elsevier Ltd. All rights reserved.

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