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蚜虫、红蜘蛛、介壳虫是危害花木最普遍的几种刺吸式害虫。不论是木本花卉,还是草本花卉,都可能受其危害。笔者经过多年摸索与试验,认为可采取下述各种简单易行、取材方便、不污染环境、且行之有效的方法灭害。1.蚜虫蚜虫一年四季均有发生,一般在气温29℃左右,繁殖最快。蚜虫的种类很多,通常多聚集在植株的芽、嫩叶或嫩枝上吮吸汁液,使被害的植株枝叶发黄变形,花蕾败坏,花期缩短,花容减色,严重
Aphids, spider mites, scale insects are the most common types of harmful insects sucking pests. Whether it is woody flowers, or herbal flowers, may be harmed. After years of groping and testing, I believe that the following can be taken to be simple and easy, easy to draw, do not pollute the environment, and effective methods of extermination. 1. Aphids Aphids occur all year round, generally at a temperature of about 29 ℃, the fastest breeding. Many kinds of aphids, usually gathered in the plant buds, young leaves or shoots on sucking juice, so that victims of plant yellowish yellow deformities, flower buds corrupt, flowering shortened flower color, serious