天气预报 > 健康 > 桃树冻伤出胶怎么办
桃树冻伤出胶怎么办
更新时间: 2021-06-11 12:04:12  

1、加强栽培管理,多施有机肥,适量增施磷、钾肥。合理修剪,雨季做好排水,适时夏剪,通风透光。及时防治桃树的枝干害虫,减少病虫伤口和机械伤口。

2、冬季清园消毒,树干涂白,刮除流胶硬块及其下部的腐烂皮层及木质,集中烧毁。

3、药剂防治。桃树发芽前,树体上喷5波美度石硫合剂;树液开始流动时,将生石灰粉涂抹于流胶处;生长季适时喷甲基硫菌灵1500倍液,或1%武夷菌素水剂或果病灵等进行预防;发病高峰期前夕,每隔7~10天喷1次1000倍液菌毒杀或菌毒清、菌立灭等,交替连喷2~3次。

关键词: 桃树 冻伤 怎么办

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