怎样防治葡萄根癌病答山东阳谷读者樊祥金

• 作 者: 果宣
• 出 处: 山西果树
• 发表日期: 1995年03期
• 关键词: 葡萄根癌病 瘤状物 山东阳谷 癌肿病 祥金 暗黑色 细菌性病害 根颈 成龄 叶片黄化

怎样防治葡萄根癌病答山东阳谷读者樊祥金根癌病又叫癌肿病，是一种细菌性病害。发病部位多在距地面近的根颈处至主蔓上，在苗木和成龄植株上均有发生。发病初期在病部出现瘤状物，稍带绿色，内部组织松软，以后瘤状物不断增大，表面凹凸不平，并由绿色变为褐色至暗黑色，...

How to prevent grape root cancer disease answer Shandong Yanggu readers Fanxiang Kin cancer, also known as cancer disease, is a bacterial disease. The incidence of sites more than the ground near the root of the neck to the main vine, in the seedlings and mature plants have occurred. In the early stage of the disease, the tumor appears in the diseased part, slightly green, the internal tissue is soft, then the unceasing enlargement, the surface is rugged, and changes from green to brown to dark black, ...