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How to control the copper-green chafer? Practical methods shared

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(1) Manual control: During the peak emergence period of adults, in the evening, kill the adults by combining artificial tree shaking with light traps outside the orchard. (2) Chemical control: In the early emergence period of adults, spray 2.5% trichlorfon powder on the tree disks of orchards with high insect density, then shallow hoe and mix it in, which can kill the adults that have emerged from the soil; during the peak period, before dark, spray the trees with 80% dichlorvos emulsifiable concentrate at 1000-1500 times dilution, adding 20% fenvalerate emulsifiable concentrate at 2000 times dilution, and spray again after 7-10 days (avoiding the flowering period), which can control the damage. Other chafer species can be controlled by

(1) Manual control: During the peak emergence period of adults, in the evening, kill the adults by combining artificial tree shaking with light traps outside the orchard.

(2) Chemical control: In the early emergence period of adults, spray 2.5% trichlorfon powder on the tree disks of orchards with high insect density, then shallow hoe and mix it in, which can kill the adults that have emerged from the soil; during the peak period, before dark, spray the trees with 80% dichlorvos emulsifiable concentrate at 1000-1500 times dilution, adding 20% fenvalerate emulsifiable concentrate at 2000 times dilution, and spray again after 7-10 days (avoiding the flowering period), which can control the damage. Other chafer species can be controlled by reference to this method.

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