摘要
栗实象鼻虫是危害板栗果实最严重的害虫之一。 2a完成 1代 ,以成虫和幼虫危害叶果 ,被害栗实失去食用价值或发芽能力 ,并引起发霉腐烂。防治上遵循“预防为主 ,综合防治”的方针 ,优先选用农业和生态调控措施 ,采用消灭幼虫 ,热水浸种 ,选用抗虫品种。
Gurculio davidi is one of the most serious pests of chestnut. One generation has a duration of two years.Its imagines and larvae harm leaves and fruits of chestnut trees.The fruits lose edible value or germination ability, and become mildewed and putrefied.According to the guideline of the 'putting prevention first and comprehensive controlling',agricultural and ecological control measures should be adopted,such as exterminating larvae,and soaking seeds with hot water, choosing anti-pest varieties, fumigating and spraying low-poison chemical pesticides.
出处
《四川林业科技》
2004年第4期43-46,共4页
Journal of Sichuan Forestry Science and Technology
关键词
栗实象鼻虫
发生
综合防治
Gurculio davidi,Occurrence,Comprehensive control