论文部分内容阅读
随草莓种植面积扩大,重茬地块增多,草莓菌核病逐年加重。笔者于1996～1998年对草莓菌核病进行了调查研究,基本摸清了该病的发生规律与防治方法。1病害症状 该病主要为害草莓叶柄、花柄。病部初呈淡褐色水渍状斑点,并逐渐扩大,高湿条件下,病部软腐,表面长出大量白色菌丝,后纠集形成鼠粪状或不规则形的黑色菌核,掉落土表。重病株全叶枯
With the expansion of strawberry planting area, stubble plots increased, sclerotinia increased year by year. The author conducted a research on strawberry sclerotinia from 1996 to 1998, basically found out the law of occurrence and prevention of the disease. 1 disease symptoms The disease is mainly harmful strawberry petiole, flower stalk. Department of early pale brown water-like spots, and gradually expand, under high humidity conditions, the Department of soft rot, the surface grow a large number of white mycelium, after the formation of the rat shit or irregular form of black sclerotia, drop Soil table. Heavy disease full blight