天堂鸟茎杆上长黑斑是怎么回事叶子有一点卷?

2025-04-07 07:00:06
推荐回答(1个)
回答(1):

解决方法

1、更换盆土

天堂鸟如果生长土壤不合适,或生长过程中土壤板结,那么都会影响其自然生长,从而导致天堂鸟叶子发黑,这时需将其更换到腐叶土中养护,当中还能适量的添加河沙、有机肥等物质,使其能更好的生长。

2、控水控肥

如果浇水施肥过多使根须腐烂,从而导致天堂鸟叶子发黑怎么办呢,这时首先需要控水控肥养护,不过最好将其烂根及时处理,并需要给其配制新的盆土,将其上盆细心养护就可以了,使其能逐渐的恢复生机。

3、通风光照

天堂鸟生长环境不适,或在秋冬两季昼夜温差大,导致其叶子发黑降低观赏价值,那么需要立刻将其发黑的叶子剪掉,而且还要搬移到通风有阳光的环境下养护,在阳光的帮助下,使其恢复绿色生机,有利于植株生长。

4、病虫防治

天堂鸟生长环境不适,也很容易使其遭受到灰斑病、炭疽病等病虫危害,这些病虫会使枝叶呈现病斑,然后使其叶子发黑,长时间不管可能还会使其枯萎死亡,这时不仅需要更换土壤,改善环境、处理病叶,还要给其喷洒多菌灵等病虫药剂防治即可。

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