אסיף מאגר המחקר החקלאי

Biotype Q of Bemisia tabaci identified in Israel

Year:

2003

Source of publication :

Authors :

Volume :

31

Co-Authors:

Denholm, I., Plant Ecology Division, IACR-Rothamsted, Harpenden, Herts. AL5 2JQ, United Kingdom
Gorman, K., Plant Ecology Division, IACR-Rothamsted, Harpenden, Herts. AL5 2JQ, United Kingdom
Cenis, J.L., CIDA, 30150 La Alberca (Murcia), Spain

 

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Abstract:

The biotype status of samples of the whitefly Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) collected from several field and greenhouse sites in Israel during 1999-2000 was determined by polyacrylamide gel electrophoresis (PAGE) for general esterases, and by RAPD-PCR using primers of arbitrary sequence. Results of this survey provide the first published evidence for the occurrence of the B. tabaci Q biotype, alongside the more widely distributed B biotype. Based on the collected samples, it appears that both the B and Q biotypes are present in Israel, and that field populations consist of a mixture of the two biotypes. A possible link between B. tabaci biotypes and insecticide resistance is discussed.

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