红王子锦带的病害防治

植物图片 2021-03-06 17:04

红王子锦带开花的时候，是片片的红色，而且花和叶是同时存在的。这二者颜色对比是十分明显的，远远看去很是显眼。如果它们生长在阳光比较好的位置，花儿会长的比较密，远远看去，大片大片的红色会盖过绿色，给人十分喜庆、欢快的感觉，那么这么艳的花色如果遭遇病虫要怎么办呢，来看下吧！

主要病害

这种植株主要遇到的病害枝枯病，一旦发病，再好看的植株也会变了模样。看见这个病的名字峨眉就能知道，病症的枝条渐渐枯萎。的确，发病的时候小枝上会产生褐色的病斑，上面还会生有黑点，然后渐渐枯萎。但是，这是怎么发生的呢，这主要是被细菌感染所致，也就是病原菌分生孢子器，然后进一步侵害植株。

防治办法

在未栽种之前，一定要选好抗病的品种，这样可以避免它们自身抗力不行而发病。也可以让能抗病的品种很好的繁殖下去。

即便选好了品种，在种植的过程中也是需要精心养护的。首先，要适时的增加有机肥料，这样能提高它们自身的抵抗病菌的能力。在雨水过多的时候，也要及时排水，若是没有及时排水的话，根部是很容易烂掉的，这样患病的几率会变大。

一旦发现病症，一定要及时剪掉已经发病的枝条，枝条也不要随意丢弃，这样可以减少它们传染的概率。所以下最好选择焚烧病枝，彻底销毁这一部分的病枝。

在病害还没有泛滥的时候，就一定要先行进行药剂防护，可以每半月使用一次蚧螨灵，这样是能铲除掉已经越冬的细菌的。另外，病害已经发生了之后，还可以在处理掉病枝之后用一定剂量的杀菌试剂防治。

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