Sex pheromone mass trapping trials for the control of the oriental fruit moth, Grapholitha molesta Busck, were conducted in pear orchards of Suizhong County in Liaoning Province from 1980—1982. Mass-trapped areas wer...
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Sex pheromone mass trapping trials for the control of the oriental fruit moth, Grapholitha molesta Busck, were conducted in pear orchards of Suizhong County in Liaoning Province from 1980—1982. Mass-trapped areas were about 780,4,000 and 5,400 hectares in 1980, 1981 and 1982,
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