Journal
AGRICULTURAL SCIENCES IN CHINA
Volume 10, Issue 7, Pages 1134-1138Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S1671-2927(11)60103-X
Keywords
chlorantraniliprole; Chilo suppressalis; Cotesia chilonis; integrated pest management (IPM)
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Funding
- National Basic Research Program of China (973 Program) [2007CB109202]
- Special Agricultural Research Projects for Public Welfare, China [200803004]
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Chlorantraniliprole was introduced into China from 2008 as a novel insecticide to control the rice stem borer, Chilo suppressalis (Walker). Cotesia chilonis (Matsumura) is the major parasitoid of C. suppressalis. We collected seven populations of C. suppressalis and two populations of C. chilonis in different locations in China in 2009 to investigate the lethal effects of chlorantraniliprole on them. The populations of C. suppressalis from different regions showed various LD(50) values ranging from 2.00 to 18.70 ng per larva. Chlorantraniliprole has negligible acute contact toxicity (LC(50)>500 mg L(-1)) to C. chilonis and its oral toxicity is also much lower than that of fipronil (>2 800-fold difference in LC(50)). The results indicated that chlorantraniliprole is a good alterative in rice integrated pest management (IPM) programs. The susceptibility data of C. suppressalis will be useful for monitoring resistance levels in future.
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