【摘要】 据初步调查长春地区山楂害虫大约有45种。其中以桃小食心虫、山楂喀木虱、山楂粘叶蜂和山楂圆瘤蚜为优势种。用桃小食心虫性诱剂预测桃小食心虫发生期和发生量,是指导化学防治,提高防治效果的重要手段。结合当前生产实际情况,本文提出了综合防治建议以供参考。更多还原

【Abstract】 The pests of hawthorn were investigated in Changchun district froml985 to 1987. About 45 different kinds of pests were found, among which peach fruit moth, hawthorn slug, hawthorn psylla, hawthorn aphid were dominant species and 2 were newly recorded ones in Changchun district.The part of plant attacked, attacking peiiod and degree et al.from each pest are reported.The character of occurrence is described and the suggestion is proposed for an integrated control.更多还原