为加快蔬菜生防工作的进展,从1975年起,对国产的几种农用抗菌素进行了药效试验,在筛选过程中,我们发现4.896是广谱性杀菌剂,对多种蔬菜病害有防治效果.现将三年来的工作作如下报导.一、试验研究的内容、方法和效果据不完全统计,广州地区用年发生的主要蔬菜病害有30余种.经过试验初步认为4.896对瓜类枯萎病、瓜类白粉病、黄瓜霜霉病、甘 In order to speed up the progress of biocontrol of vegetables, from 1975 onwards, several domestic agricultural antibiotics were tested for their efficacy. During the screening process, we found that 4.896 is a broad-spectrum bactericide that has a control effect against various vegetable diseases Now three years of work as follows: First, the experimental study of the content, methods and effects According to incomplete statistics, the main vegetables in Guangzhou in the year there are more than 30 kinds of diseases.After preliminary test 4.896 on melons Fusarium wilt , Melon powdery mildew, cucumber downy mildew, sweet