葡萄白腐病和炭疽病是葡萄生产上的两大病害。山东葡萄产区均有发生,老园尤其严重。由于两病的为害,产量损失很大。通过几年来的观察和生产实践,初步了解了“两病”的发病规律和防治措施。遵照毛主席:“要认真总结经验”的教导,现将材料整理如下,供参考。 一、葡萄白腐病、炭疽 Grape white rot and anthracnose are the two major diseases in grape production. Shandong grape producing areas have occurred, the old garden is particularly serious. Due to the harm of two diseases, the yield loss is great. Through years of observation and production practice, preliminary understanding of the incidence of “two diseases” and prevention and control measures. According to Chairman Mao: “To conscientiously sum up experience,” the teaching materials are now organized as follows for reference. First, grape white rot disease, anthrax