Resistance of Squash Genotypes to Bemisia tabaci (Genn.) Biotype B (Hemiptera: Aleyrodidae)

被引:6
|
作者
Baldin, Edson L. L. [1 ]
Beneduzzi, Ronalio A. [2 ]
Souza, Douglas R. [2 ]
Souza, Efrain S. [2 ]
机构
[1] FCA UNESP, Depto Prod Vegetal, BR-18610307 Botucatu, SP, Brazil
[2] UNICASTELO, Entomol Lab, BR-15600000 Fernandopolis, SP, Brazil
关键词
Cucurbita pepo; silverleaf whitefly; host plant resistance; non-preference; SILVERLEAF DISORDER; TOMATO GENOTYPES; HOMOPTERA; CUCURBITA;
D O I
10.1590/S1519-566X2009000400015
中图分类号
Q96 [昆虫学];
学科分类号
摘要
Field assays were performed to evaluate the attractiveness and the non-preference of whitefly Bemisia tabaci (Germ.) biotype B for oviposition on squash genotypes (Cucurbita pepo) and to observe the susceptibility of genotypes (Novita, Sandy, Caserta Cac Melhorada, Novita Plus, Samira, Bianca, AF-2858 and Caserta TS) to silverleaf symptoms. The Sandy genotype was the least attractive to whitefly, while Novita Plus, AF-2858 and Samira were the most attractive. The Caserta Cac Melhorada genotype was the least preferred for oviposition. The Sandy and AF-2858 genotypes were the most productive, with the highest mean of fruits produced. The lowest silverleaf symptoms index was observed for the Sandy and Caserta Cac Melhorada genotypes.
引用
收藏
页码:526 / 530
页数:5
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