红蜡蚧群众称白浆虫,是我县柿树上的主要害虫。柿树被害,常引起大量烟煤病,造成小叶、果瘦、新梢生长不良,严重时形成大量枯枝,甚至全株死亡。1987年我们试用50%甲胺磷乳剂(苏州市农药厂生产)进行防治,取得较好效果。试验在骑辛镇季庄赵金香和陈学诗两家柿树上进行,分别于6月18日和7月8日喷 Red wax scale masses known as white pulp, is my county persimmon on the main pests. Persimmon tree damage, often causing a large number of bituminous coal disease, resulting in leaflets, fruit thin, poor growth of new shoots, severe formation of a large number of dead branches, and even the whole plant died. In 1987 we tried 50% methamidophos emulsion (Suzhou pesticide factory production) for prevention and treatment, achieved good results. The experiment was carried out on the two persimmon trees of Jinzhuang, Jinzhuang, Chenzixi and Hsinyin, riding on June 18 and July 8 respectively