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铁树长了白点点怎么办

更新时间: 2020-09-18 00:00:00     

1、秋后要彻底剪除病叶,集中烧毁;

2、选择土层深厚,带弱酸性的砂壤土作栽培栽培环境要通风透光,盆栽时不要放在水泥地上,加强栽培管理,增强树势,提高抗病能力;

3、冬季入温室前结合剪除病叶,喷3到4度波美石硫合剂;

4、发病初期喷洒百分之二十五苯菌灵·环己锌乳油800倍或百分之五十甲基硫菌灵·硫磺悬浮剂800倍液。

关键词: 铁树 白点 怎么办

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