红花继木的常见病害及其防治

植物图片 2021-03-18 14:47

红花继木又被称为红花檵木、红桎木，是一种主要分布在中国以及印度的植物，在我国主要分布在长江流域以南的地区，他的药用价值非常丰富，花、叶、根都可以用做药材。但是红花继木也经常遭受病害的威胁，今天小编就带大家看一下红花继木的常见病害及其防治。

红花继木的常见病害

红花继木的常见病害主要有三种，分别是：炭疽病、立枯病还有花叶病。

炭疽病

红花继木炭疽病的主要症状是会在叶片上出现黑色的斑点，因为红花继木的花色为红色，所以黑色斑点在红叶面上显的极为显眼，它的主要危害就是会造成落叶现象。炭疽病的病原是放线孢菌，主要是在每年的5月份。6月份发生，并且病菌会在病叶上过冬，也因此会造成次年的病害。

立枯病

立枯病在植物苗期最为严重，但是这种病害会伴随植物的终身，主要表现在植物的根部危害植株，在病菌感染处会出现暗色的病斑，并且还会呈现水浸状态，而后造成表皮与木质部剥离，从而造成植物的死亡。

花叶病

花叶病是一种由病毒引起的疾病，它会使植物叶片花白相间。

红花继木病害的防治方法

炭疽病

一旦发现有病叶马上进行处理，销毁病叶，防止再次感染，改良排水条件，给植物多晒晒太阳，创造良好的通风环境，再就是药剂治疗。

立枯病

用新土壤进行种植，常换土，并且对土壤进行消毒处理，发现病株及时处理销毁，不能给它感染其他植物的机会，使用药物进行处理。

花叶病

药剂处理。

专题： 红花
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