在对山东省板栗病害种类研究基础上 ,认为板栗炭疽病是栗实中的最严重病害。该病在板栗生长至贮藏期发生 ,病原菌在田间侵染叶片和果实 ,贮藏期在栗实上发病严重。为搞清其发生规律 ,1 997～ 2 0 0 0年对板栗炭疽病发生规律进行了调查研究 ,结果如下。1　材料与方法1 .1　材料 Based on the research on chestnut diseases in Shandong Province, chestnut anthracnose is considered as the most serious disease in chestnut. The disease occurs during the growth of chestnut to storage, the pathogen in the field infiltration of leaves and fruits, the storage period in the chestnut serious onset. In order to clarify its occurrence law, the occurrence of chestnut anthracnose from 1997 to 2000 was investigated. The results are as follows. 1 Materials and Methods 1.1 Materials