Susceptibility of four tropical lepidopteran maize pests to Bacillus thuringiensis CryI-type insecticidal toxins

被引：30

作者：

Bohorova, N ^{[1
]}

Cabrera, M ^{[1
]}

Abarca, C ^{[1
]}

Quintero, R ^{[1
]}

Maciel, AM ^{[1
]}

Brito, RM ^{[1
]}

Hoisington, D ^{[1
]}

Bravo, A ^{[1
]}

机构：

[1] Univ Nacl Autonoma Mexico, INST BIOTECNOL, CUERNAVACA 62250, MORELOS, MEXICO

来源：

JOURNAL OF ECONOMIC ENTOMOLOGY | 1997年 / 90卷 / 02期

关键词：

Spondoptera frugiperda; Diatraea grandiosella; Diatraea saccharalis; Helicoverpa zea; Bacillus thuringiensis; delta-endotoxin;

D O I：

10.1093/jee/90.2.412

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

The relative susceptibility of 4 tropical maize pests, Spodoptera frugiperda (J. E. Smith), Diatraea grandiosella Dyar, D, saccharalis (F.), and Helicoverpa zea (Boddie), to the lepidopteran-specific CryI-type proteins produced by B. thuringiensis is presented. The toxin with the highest potency against H. zea larvae was the CryIAc toxin. S. frugiperda larvae were susceptible to CryID and CryIF toxins. The CryIB toxin showed to be highly toxic against D. grandiosella and D. saccharalis. This information will establish a basis for selecting B. thuringiensis strains producing the appropriate CryI proteins to be used for the biological control of these tropical pests.

引用

页码：412 / 415

页数：4

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