银杏茎腐病是银杏幼树期主要病害，常造成幼树干枯。1998年银杏茎腐病在广西全州县严重发生，定植1～3年的树发病枯死率最高达31．8％，平均10．15％。1症状发病初期，幼树茎干基部离地面3～15cm的部位出现不明显的褐色病班，扩展后围绕幼茎一周，并迅速向上蔓延，顶芽枯死，叶 Ginkgo stem rot is the main disease of young ginkgo tree, often resulting in dry young trees. In 1998, ginkgo stalk rot occurred seriously in Guangxi Zhuangzhou County. The dead rate of trees with 1-3 years of colonization was up to 31.8% with an average of 10.15%. 1 symptoms early onset, young stems base 3 ~ 15cm from the ground at the site there is no obvious brown disease classes, expanded around the young stems one week and quickly spread upward, the top bud withered, leaves