老师你好,兰花都需要怎么管理

你好
2025-02-24 07:56:26
推荐回答(1个)
回答1:

您好
兰花是半阳性植物,畏强光,喜弱光。一般来讲较强的光照适宜兰花生殖生长,花芽较多、花色较深、花期较早。较弱的光照有利于兰花的营养生长,叶芽较多,叶色较绿,花色较浅,花期较迟,所以对兰花的光照一定要掌握好,不要过阴过阳,而要半阴半阳,即阴阳要适中。
兰花生长的最佳温度是20度——30度,兰花在这范围内的气温下生长良好。气温较高、兰花生长快,花期提前,花香浓烈;气温较低,兰花生长慢,花期推迟,花香清淡,我们要从兰花生长的特性来调控兰室的温度,白天的气温可在24度——30度的范围内,夜间的温度可调控在16度——24度范围内,这样的气温宜于兰花的快速生长和积蓄萌发夏秋芽的养份,有利于兰花多发夏,秋芽和提高兰花当年的成苗率。
兰花不是干生、温生植物,而是中生肉质根植物。兰花生长盆土的绝对温度在50%左右较为适宜,盆土长期过干根则瘦细,盆土长期过温根则黑烂,要保护兰根,夏季的盆土湿度不能长期过干或过湿。兰花喜欢湿润新鲜的空气。兰花生长的最佳空气温度为80%左右。因此白天的空气湿度应控在65%——80%,夜晚则应控在75%---95%,因夏季午后高温,空气温度过大而闷热不利于兰花生长,夜间空气温度稍大,有利于兰花的叶片吸收水份,补充白天消耗的水份,以利兰花生长。因此,晚间的温度大于白天的温度更为妥当,白天空气湿度达不到要求,应喷雾,夏季的兰棚应要注意通风换气,兰花喜欢清新的空气,如果人进兰棚有异味感,兰花是长不好的。
浇兰花所用的水最好选用雨水(弱酸性),河水(中性),自来水(存放一天让氯气散发后)一定不要用深井水,夏季浇水的原则“盆面干则浇、浇则透”。浇水的温度应接近或低于空气中的温度为好,不要用高于空气温度的水浇兰花。最好办法是在兰棚内或接近养兰场地放一个缸或做一个水池,平时装满备用的水,浇水的时间一般在午后的7时至9时为好,此时段,气温较低,水份蒸发的水分,得到及时的补充,有利于兰根晚上的休整和吸收水分,有利于兰花的夏季生长。
夏季是虫害,病害的高发期,对病虫害要预防为主,综合防治,把握发病规律,抓住防治最有效时期,对症下药是防治兰花病虫害的原则,常用的灭菌药每月喷施1次。使用每种药物稀释比例要精确,太淡无效,太浓产生药害,喷施时一定喷兰叶正面和背面,以及整个养兰场地,为避免药害,时间要选在傍晚进行喷施。

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