摘要
褐盔蜡蚧在葡萄上危害葡萄枝条、叶片和果实。一般成、若虫固定后刺吸汁液,排出大量粘液,滋生黑色霉菌,污染果面和叶片,影响光合作用。该虫在甘肃武威地区1a发生2代,以幼虫和卵在枝条皮缝中越冬。施用10%吡虫啉可湿性粉剂1000倍液,虫口减退率可达99.5%,4.5%高效氯氰菊酯乳油1500倍液,虫口减退率为94.4%。
Parthenolecanium corni attacked branches, leaves, and fruits ot grapes. Usually aUuit anu young sucked sap ,poisoned mucus, produced mould, polluted fruits, reduced photosynthesis. It had 2 generations year and spent winter as larva in branch crevice in Wuwei. The population reduced by 99.5% and 94. 4% when imidacloprid 10% WP 1000 times and beta - cypermethrin 4. 5% EC 1500 times were applied respectively.
出处
《青海农林科技》
2015年第1期13-14,89,共3页
Science and Technology of Qinghai Agriculture and Forestry
关键词
褐盔蜡蚧
葡萄
发生规律
防治
Parthenolecanium corni
Grape
Occurrence
Control
