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2001•Journal of the South China Agricultural UniversityRequires access

A Study on the Resistance of Diamondback Moth to Abamectin in Guangdong Province

Huan Chen

Open publisher page 5 citations

Abstract

The DBM resistance of field populations in both Shenzhen and Guangzhou regions to abamectin and Bt ( Bacillus thuringiensis ) increased greatly in the past decade. However there haven’t been any significant change in the DBM resistance to some insecticides since 1992. The DBM strain susceptible (SS) to abamectin had gradually developed resistance to the antibiotic when DBM was treated regularly with sublethal dosage of the chemical. After 20 generations, the induced resistance level was as high as 11.55 fold compared with SS. There was no cross resistance between abamectin and each of Bt ( Bacillus thuringiensis ), DDVP, fenvalerate, and cartap, but the cross resistance of DBM population was found between abamectin and chlorfluazuron.

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What this paper is about

The DBM resistance of field populations in both Shenzhen and Guangzhou regions to abamectin and Bt ( Bacillus thuringiensis ) increased greatly in the past decade. However there haven’t been any significant change in the DBM resistance to some insecticides since 1992. The DBM strain susceptible (SS) to abamectin had gradually developed resistance to the antibiotic when DBM was treated regularly with sublethal dosage of the chemical. After 20 generations, the induced resistance level was as high as 11.55 fold compared with SS. There was no cross resistance between abamectin and each of Bt ( Bacillus thuringiensis ), DDVP, fenvalerate, and cartap, but the cross resistance of DBM population was found between abamectin and chlorfluazuron.

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Available abstract

The DBM resistance of field populations in both Shenzhen and Guangzhou regions to abamectin and Bt ( Bacillus thuringiensis ) increased greatly in the past decade. However there haven’t been any significant change in the DBM resistance to some insecticides since 1992. The DBM strain susceptible (SS) to abamectin had gradually developed resistance to the antibiotic when DBM was treated regularly with sublethal dosage of the chemical. After 20 generations, the induced resistance level was as high as 11.55 fold compared with SS. There was no cross resistance between abamectin and each of Bt ( Bacillus thuringiensis ), DDVP, fenvalerate, and cartap, but the cross resistance of DBM population was found between abamectin and chlorfluazuron.

Key concepts: Abamectin, Cartap, Diamondback moth, Bacillus thuringiensis, Toxicology, Biology, Cross-resistance, Population

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A Study on the Resistance of Diamondback Moth to Abamectin in Guangdong Province — Research Paper | ScholarLens