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스프링클러시스템을 이용한 밤나무혹벌 방제에 관한 연구

Use of Sprinkler System for Control of Dryocosmus kuriphilus on Chestnut Orchards

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Abstract

Insecticideofcarbaryl 50%WP, x1,500wasprayedat everydayandtwo-dayintervalsduringtheperiodofD.kuriphilusadult oc-currencebysprinklersystem. Thechestnutgallwaspsgeneralyemergedforabout35daysfromthemiddleJunetothemiddleJuly,and peak emergence was 5 days of early July. Crown application ofcarbaryl by sprinkler system was found to be highly effectiveateverydayandtwo-dayintervals,while82.9%whennottreated. Controleffectivenessofthisinsecticidesprayingwas96.4%and84.6%, respectively.

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