随着保护地的发展，黄瓜灰霉病危害越来越严重。加上５０％速克灵可湿性粉剂，由于多年连续使用，已产生了抗药性，效果越来越差。为此，我所研制的５０％灭霉灵防效好价格又较便宜的新农药，依据新的防治技术，现报道内容如下．一、病害的发生与侵染规律病菌主要以菌核随病残 With the development of protected areas, cucumber gray mold hazards more and more serious. With 50% Klinker WP, due to years of continuous use, has produced resistance, the effect is getting worse. To this end, I developed a 50% off mycophenolate good price and cheaper new pesticides, according to the new prevention and control technology, are reported as follows. First, the occurrence of disease and infection Regular bacteria mainly with sclerotia