蕙兰烂根怎么办

植物图片 2021-03-05 15:24

病害：根部出现水渍状的病斑，渐渐变黑并腐烂。可用75%甲基托布津的可湿性粉剂600倍药液或者50%立枯净可湿性粉剂900倍药液进行淋洒。水肥：养护过程中施肥过多，未及时浇水等会导致烂根，要重新上盆用清水培养，期间不要浇湿肥料。

烂根原因

病害

蕙兰的根部由真菌或者细菌的浸染引起了一种病害，该病是南北方兰花所患的重要病害之一。初步发病的时候肉质的根部会出现水渍状的病斑，之后便会渐渐的变黑并腐烂开来，导致叶尖的干枯。

根部损伤

烂根的那盆兰草当时很有可能根伤或者断根。在养护过程中施肥过多，未及时浇水或作其他的处理，受伤部位损伤加重。另外，在换盆移动中，损伤根部，造成根部腐烂。

处理方法

可以采用75%甲基托布津的可湿性粉剂600倍药液或者50%立枯净可湿性粉剂900倍药液进行淋洒。

花宝的浓度太高，一般最好在千分之0.2克为最佳，每一千毫升的水加上0.2克的花宝。

如果已经开始烂根的草重新上盆用清水培养，期间不要浇湿肥料，三个月后便会到冬天，可以在页面喷花宝，约15-20天喷杀一次。杀菌为15天进行一此喷杀，这样有机会能使病根重活。

专题： 蕙兰
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