Inheritance of resistance to acrinathrin in Frankliniella occidentalis (Thysanoptera: Thripidae)

被引：33

作者：

Bielza, Pablo ^{[1
]}

Quinto, Vicente ^{[1
]}

Fernandez, Esther ^{[1
]}

Gravalos, Carolina ^{[1
]}

Abellan, Jaime ^{[1
]}

Cifuentes, Dina ^{[1
]}

机构：

[1] Univ Politecn Cartagena, Dpto Prod Vegetal, Cartagena 30203, Spain

来源：

PEST MANAGEMENT SCIENCE | 2008年 / 64卷 / 05期

关键词：

thrips; Frankliniella occidentalis; insecticide resistance; genetic; pyrethroid; acrinathrin;

D O I：

10.1002/ps.1540

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

BACKGROUND: The western flower thrips (WFT), Franhliniella occidentalis (Pergande), is an economically important pest. The genetic basis of acrinathrin resistance was investigated in WFT. RESULTS: The resistant strain, selected in the laboratory for acrinathrin resistance from a pool of thrips populations collected in Almeria (south-eastern Spain), showed a high resistance to acrinathrin (43-fold based on LC50 values) compared with the laboratory susceptible strain. Mortality data from reciprocal crosses of resistant and susceptible thrips indicated that resistance was autosomal and not influenced by maternal effects. Analysis of probit lines from the parental strains and reciprocal crosses showed that resistance was expressed as a codominant trait. To determine the number of genes involved, a direct test of monogenic inheritance based on the backcrosses suggested that resistance to acrinathrin was probably controlled by one locus. Another approach, which was based on phenotypic variances, showed n(E), or the minimum number of freely segregating genetic factors for the resistant strain, to be 0.79. CONCLUSION: The results showed that acrinathrin resistance in WFT was autosomal and not influenced by maternal effects, and was expressed as a codominant trait, probably controlled by one locus. (c) 2008 Society of Chemical Industry.

引用

页码：584 / 588

页数：5

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