To reduce the harm of Grapholitha molesta Busck,mating disruption was initially introduced in Wuhai. An experiment using mating disruption to control Grapholitha molesta Busck was carried out in peach orchards. The result showed that mating disruption rate of mature insects was up to 94.8%; the control rate of fruit-boring and top-breakage were up to 85.3% and 87.5%, respectively. There was significant economic benefit with 3 times less usage of insecticide, which was 10 350 yuan/hm2 higher than before.
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