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近几年来,山楂在贮藏期间烂果现象较重,一般烂果率达10～20%,重者高达50%以上。据调查,山楂烂果主要是由于褐腐病菌为害所致。现将我们从1982年以来的调查结果报导如下。一、山楂褐腐病发生、为害情况1982年10月26日,在本所地下室山楂贮藏窖内进行了调查,所调查的500个山楂果实中,褐腐病病果率达1.6%。以后病害还在继续发展。1983年7～9月,我们又于各地山楂园进行了调查,也发现有褐腐病发生。如我省山楂主
In recent years, hawthorn rotten fruit during storage heavier, the general rotten fruit rate of 10 to 20%, as heavy as 50% or more. According to the survey, hawthorn rotten fruit is mainly due to brown rot disease caused. We now report the findings of the survey since 1982 as follows. First, hawthorn brown rot disease, the damage situation October 26, 1982, in our basement hawthorn cellar investigation conducted investigation of 500 hawthorn fruit, brown rot disease rate of 1.6%. After the disease is still continuing to develop. From July to September 1983, we conducted a survey in Hawthorn Park around the country and found that brown rot was also found. As the main Hawthorn in our province