Research Advances in Insecticide Resistance and Mechanisms of Chilo suppressalis in China
Rice stem borer Chilo suppressalis is one of the major pests in rice crop,causing serious damage to rice production in China every year.At present,using chemical insecticides is still the pri-mary strategy for controlling C.suppressalis.However,due to the unreasonable use of insecticides,C.suppressalis populations in many areas of China have developed various levels of resistance to a va-riety of insecticides including organophosphorus,macrolides and anthranilic diamides.Studies on the resistance mechanisms of C.suppressalis showed that the enhanced activities of detoxifying en-zymes such as P450s and ESTs,mutations of AChEs and RyRs,and the increased transport capacity of ABC transporters mainly contributed to the resistance of C.suppressalis to insecticides.The pres-ent review summarized the resistance development and mechanisms of C.suppressalis to several com-monly used insecticides in China,in order to provide medication guidance for using insecticides to control C.suppressalis in China.
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