永年县保护地番茄灰霉病防治技术

• 作 者: 王俊英
• 机 构: 永年县农牧局植保站,
• 出 处: 河北农业
• 发表日期: 2016年07期
• 关键词: 番茄灰霉病 永年县 番茄生产 越冬茬 病果率 冬春茬 茄果类蔬菜 保护地 有秋 传播速度

永年县是蔬菜种植大县,番茄是栽培面积最大的茄果类蔬菜,常年栽培面积3万亩,栽培模式有秋延后、越冬茬、冬春茬、越夏茬,均在棚室内种植。当前,随着品种的更新,番茄上的叶霉病得到了很好的控制。但是番茄灰霉病较难防治,是威胁棚室番茄生产的主要病害。该病一旦发生,传播速度很快,病果率0.3%—5%,严重达10%以上,给菜农造成很大损失。

Yongnian County is a vegetable growing county, tomato is the largest cultivated area of ​​eggplant vegetables, perennial cultivated area of ​​30000 mus, cultivation mode autumn delay, winter stubble, winter spring stubble, more summer stubble, are shed in greenhouse. Currently, leaf blight on tomatoes is well controlled as the varieties are updated. However, it is difficult to control Botrytis cinerea, which is the main disease that threatens the production of tomato in greenhouse. Once the disease occurs, the spread speed is very fast, disease rate of 0.3% -5%, severe 10% or more, causing great losses to farmers.