论文部分内容阅读
虫害危害银杏的害虫有桑白盾蚧、茶黄硬蓟马、樱黄卷蛾、银杏大蚕蛾、刺角天牛、榆线角木蠹蛾、小线角木蠹蛾、柳扁蛾等。如有桑白盾蚧危害,可在其若虫孵化盛期喷洒95%蚧螨灵乳剂400倍液或10%吡虫啉可湿性颗粒2000倍液防治。如有茶黄硬蓟马危害,可在其发生初期喷洒10%吡虫啉2000倍液进行防治。如有樱黄卷蛾危害,可于幼虫发生严重时,喷洒3%高渗苯氧威乳油3000倍液防治。如有银杏大蚕蛾危害,可对其3龄以前未分散的幼虫喷洒20%除虫脲悬浮剂
Pests harm Ginkgo biloba there are mulberry white shield scale, ocher hard thrips, cherry yellow roll moth, ginkgo silkworm moth, horn-shaped beetle, Elm Kok angle moth, small angle hornbill moth, Liu moth and so on. If there is danger of mulberry shield insects, can be sprayed in its peak nymphs of insects, 95% of the scale insecticide 400 times or 100% imidacloprid wettable particles 2000 times control. If there is danger of hardy thrips, it can be sprayed with 10% imidacloprid 2000 times in its initial stage for prevention and treatment. If the yellow butterfly moth damage, larvae may be serious, spraying 3% hypertonic phenoxyway EC 3000 times prevention and treatment. If Ginkgo biloba moth damage, they can be 3 years old undispersed larvae spray 20%