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盆栽富贵竹叶子发黄怎么办

更新时间: 2020-09-12 00:00:00     

1、缺水,老叶自下而上枯黄脱落,但新叶一般会正常生长;应适当大量浇水。

2、浇水过多,嫩叶阳黄无光泽,老叶无明显变化,根细小、黄绿,新梢萎缩不长;需要控制浇水的量。

3、施肥过多或浓度过大造成的肥黄,新叶顶尖出现干褐色,老叶尖干焦枯黄脱落,叶面虽然肥厚有光泽。但大多凹凸不平;应停止浇肥或用清水淋洗肥份。

4、黄叶病或者枯叶病,这是真菌造成的,一般经历叶子发黄直至枯死的现象;用多菌灵进行喷洒。

关键词: 盆栽 富贵竹 叶子 发黄 怎么办

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