丝兰的病虫害及其防治

植物图片 2021-03-19 09:53

丝兰是塞舌尔国家的国花，外形美观，香气逼人，并且还是一种比较奇特的花，但是。各位种植丝兰的花友，一定会碰到病虫害的问题，那么，我们又该如何解决呢？现在，我们就来看一下丝兰的病虫害及其防治。

丝兰的主要病虫害

丝兰的主要病虫害是白绢病，白绢病对丝兰的影响很大，甚至可以对丝兰的整株造成毁灭性的影响。

丝兰主要病虫害的症状

丝兰一整株都会枯萎，在茎的下半部分会有许多白色的菌状物，患病的部位会出现腐烂现象，土壤的表层会看到大量白色菌索还有茶褐色菌核。

丝兰主要病虫害的传播途径

丝兰白绢病的病菌会随着患病部位的腐烂掉落而落入土壤，隐藏后在第二年植物生长期时会对新植株进行再一次感染。

病菌还会通过水进行传播，所以有水源流通的地方会发现丝兰白绢病的范围会大一些。

丝兰主要病虫害的防治措施

对丝兰的病状要进行及时的检查，发现有白绢病的症状要马上进行销毁，以防二次感染新植株，并且对病株附近的丝兰进行喷洒农药防治。

在种植丝兰的土壤中掺上适量的石灰粉进行翻地工作，可以抑制白绢病病菌的繁殖。

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