Attractiveness of cowpea genotypes for Bemisia tabaci B-biotype oviposition

被引：7

作者：

Cruz, Patricia Leite ^{[1
]}

Lopes Baldin, Edson Luiz ^{[1
]}

Passos de Castro, Maria de Jesus ^{[1
]}

Martins Fanela, Thiago Luis ^{[1
]}

Soares da Silva, Paulo Henrique ^{[2
]}

机构：

[1] Univ Estadual Paulista, Fac Ciencias Agron, BR-18610307 Botucatu, SP, Brazil

[2] Empresa Brasileira Pesquisa Agr, Ctr Pesquisa Agr Meionorte, BR-64006220 Teresina, PI, Brazil

来源：

PESQUISA AGROPECUARIA BRASILEIRA | 2012年 / 47卷 / 11期

关键词：

Vigna unguiculata; antixenosis; silverleaf whitefly; host plant resistance; TOMATO GENOTYPES; ALEYRODIDAE; RESISTANCE; LEPIDOPTERA; HEMIPTERA; CULTIVARS; HOMOPTERA;

D O I：

10.1590/S0100-204X2012001100002

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

The objective of this work was to evaluate the attractiveness of cowpea genotypes for Bemisia tabaci B-biotype oviposition, and to identify possible sources of resistance. Fifty-one genotypes were evaluated using free-choice tests. The genotypes were randomly divided into two groups, using the genotype Canapu as a susceptible control. The fourteen most promising genotypes (seven from each group) were selected for complementary testing (with or without choice). In the free-choice test, BRS-Urubuquara, TVU-36, TE93-244-23 F-1, BR 17-Gurgueia, BRS-Marataoa, MNC99-541 F-21, and TE97-304 G-4 were less attractive to the whitefly. The genotypes TE93-244-23 F-1 and TVU-36 stud out and showed non-preference resistance for ovoposition. In the no-choice test, the genotype TVU-36 showed resistance by this same mechanism.

引用

页码：1563 / 1571

页数：9

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