二、梅花主要虫害的识别与防治1、桃粉大蚜即“腻虫”之一种,主要在嫩梢和幼叶上刺吸汁液。该虫以卵在梅花的枝、芽上越冬,来年3～4月梅花抽梢展叶时,孵化出的无翅若蚜危害最甚,雨水多的年份发生严重,并能诱发煤污病。 Second, the identification and prevention of major plum pests 1, Peach aphids that is “greasy worm” one, mainly in young shoots and young leaves sucking juice. The worm to the plum in the branch, bud winter, in the coming year from March to April plum flower tip leaves, hatched wingless if the aphids most affected, more years of heavy rain and can cause coal pollution.