桃树流胶的起因及防治

• 作 者: 段远新
• 机 构: 武冈县城西乡蔡家塘村 422400
• 出 处: 湖南农业
• 发表日期: 1994年04期
• 关键词: 流胶 病主 福美砷 生理病害 病树 棕褐 寄生菌 施药防治 机械损伤 生长季节

每年5～10月,不少桃树的树于上长出一它一它半透明的桃油(又称流胶)。用刀刮掉,桃油仍流出来,下雨天尤为严重,令果农十分恼火。 桃树流胶是由桃腐烂病引起的。此病主要危害桃树枝干,导致树皮腐烂,严重时枯枝死树。自早春至晚秋都可发病,以4～6月发病最盛。桃树被害后,初期病症比较隐蔽,往往不易被人发现。这时,病部稍凹陷,外

From May to October of each year, many peach tree grows its translucent peach oil (also known as gel). Scraping away with a knife, peach oil is still flowing out, the rainy day is particularly serious, so that farmers are very angry. Peach gum is caused by peach rot. The disease is mainly harmful to peach stems, leading to rotting bark, dead dead trees in severe cases. Since early spring to late autumn can be disease, the most flourishing in 4 to 6 months. Peach trees were killed, the initial symptoms of more subtle, often not easy to be found. At this time, the disease slightly depressed, outside