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如何防治大白菜黑腐病
如何防治大白菜黑腐病
更新时间:2025-06-16 23:09:45

1、與非十字花科蔬菜輪作1~2年,鄰作也忌十字花科作物。

2、夏季大白菜播期可适當提前,秋冬大白菜播期可适當延後。盡量選溫室或大棚育苗。除去病苗、弱苗。

3、收獲後及時清潔田園,清除土中植株病殘體及周圍十字花科雜草。

4、大白菜種子用幹種重量0.3%的50%福美雙,或75%百菌清拌種;或用溫湯50℃,25~30分鐘。種子消毒,可明顯減輕發病。

5、深翻土地,減少病源。施足有機肥,增施磷、鉀肥,施用充分腐熟的圈肥。生長期及時澆水,做好開溝排水,不留潭水。拔出病、殘、弱、密的植株。

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