Biotype determination of Spanish populations of Bemisia tabaci (Hemiptera: Aleyrodidae)

被引:161
作者
Guirao, P [1 ]
Beitia, F [1 ]
Cenis, JL [1 ]
机构
[1] INIA,CIT,AREA PROTECC VEGETAL,CTR CORUNA,MADRID 28040,SPAIN
关键词
D O I
10.1017/S0007485300038682
中图分类号
Q96 [昆虫学];
学科分类号
摘要
A survey was made to assess the biotype status of populations of the whitefly Bemisia tabaci (Gennadius) in Spain. The study involved observation of the squash silver leaf reaction, analysis of esterase patterns and application of a RAPD-PCR technique. The results obtained by the three methods were fully consistent and showed that the Spanish populations of B. tabaci were composed of two genetic types. One corresponded to populations of the B biotype, found in Tenerife (Canary Islands), Barcelona, Madrid, Malaga and Almeria. The other, showing a unique RAPD and esterase pattern, was found in Majorca (Balearic Islands), Seville, Valencia, Murcia and Almeria, as well as in the Algarve Region of Portugal. RAPD patterns of other populations from the rest of the world used for comparison showed that populations from Arizona (USA), Israel, France, Denmark, Italy, Netherlands and Japan have similar RAPD patterns typical of the B biotype. By contrast, populations from the Iberian Peninsula, Turkey, India, Pakistan and Arizona (A biotype), showed different and unique patterns.
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页码:587 / 593
页数:7
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