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1 金龟子类 以黑绒金龟子为例。该虫主要为害嫩芽和花蕾。一年发生1代,以成虫在土中越冬。防治适期在早春杏树开花前后。防治方法:树盘撒甲拌磷毒土(1:50)消灭成虫,结合人工振落捕捉。 2 蚜虫类 以桃粉蚜为例。该虫一年发生10余代,以卵在桃、李、杏等果树的枝梢芽缝小枝杈越冬。翌年3月花芽萌动开始孵化,含苞待放时为孵化盛期,花开放时孵化结束。桃蚜刺吸叶片,使受害叶片扭曲成团。防治适期:4月份开花前卵孵化期
1 beetles with black tortoise as an example. The main insect damage buds and buds. One generation a year to adult wintering in the soil. Preventative period in early spring before and after apricot blossom. Prevention and treatment methods: tree dish spilled mixed phosphorus poison soil (1:50) eliminate adults, combined with artificial vibration capture. 2 aphids Peach aphids as an example. The pest occurs more than 10 generations a year to eggs in the peach, plum, apricot and other branches shoot bud twigs twigs wintering. In March the following year germination of flower buds began to hatch, budding bloom when hatching, flowers open end hatch. Myzus persica sucking leaves, so that victim leaves twisted into groups. Preventative period: April before flowering egg hatching period