一、种子消毒的作用种子消毒是一种经济有效的防虫、防病措施。在农作物病害中,有不少是以种子带菌作为传播途径。如洋芋环腐病,小麦散黑穗病等,以种子带菌为庄稼发病的唯一来源,有些病菌如小麦腥黑穗病、大麦坚黑穗病、高粱丝黑穗病、玉米丝黑穗病等,则在幼苗出土以前侵染,还有一些病毒如小麦黄矮病、小麦红矮病等是由蚜虫、叶跳蝉等传毒为害的。经过种子消毒,一般都能杀死附在种子上的病菌,达到防病的目的。有的还 First, the role of seed disinfection Seed disinfection is a cost-effective pest control measures. In crop diseases, many of them take seed carriers as a route of transmission. Such as potato ring rot, wheat scattered smut, etc., to the only source of incidence of crop disease, such as wheat tainted smut, barley firm smut, sorghum smut, corn smut and so on , Then the seedlings invaded before the unearthed, there are some viruses such as wheat yellow dwarf disease, wheat dwarf disease by aphids, leafhoppers and other poisoning damage. After seed disinfection, generally can kill the bacteria attached to the seed to achieve the purpose of disease prevention. Some still