水仙为什么有蕾却枯焦?
水仙为什么有蕾却枯焦?在水养的过程中有时会发现,当它含苞待放时,花蕾却渐渐地泛黄枯焦了,这是为什么呢?
水仙花为寒性花卉,它的自然生长规律是秋植,冬花,春花(立春),温度、光照和水分是它生长的必需条件。要使水仙花头水养后在春节时开花,一般应在11月底~12月中旬进行水养。不要过早,也不要过迟。因为过早,温度尚高,叶片容易徒长,消耗养分又多,长出来的花苞易枯萎。若水养过迟,由于自然气温降低,很难发根和长蕾,容易干枯,有的虽也长些叶片和孕出花蕾,但最终还是因温度不够而枯萎。
造成有蕾不开的另一个原因,是环境不固定,温度不稳定,造成生殖机能受阻。当水养的生出叶子和长出花苞时,有人喜欢从室内到室外,从内阳台到外阳台等处搬进搬出,或朝出暮进,冷冷热热,忽冷忽热,这样由于经常性的温差悬殊,就容易造成有蕾不开和枯焦。当然将有了花蕾的水仙放在室内窗沿边,夜间遇特殊低温时,因水仙贴近玻璃传冷快,亦易冻焦花苞而开不出花,还有的把水仙放在见不到阳光的室内或电视机上面。所有这些也是造成不长叶,或只长叶不孕蕾,或有了蕾不开花的原因。
正确的方法应该是:水养环境要固定,温度要稳定,若遇低温时,可采用电灯照射,或套上塑料袋等方法,进行加温保暖,以上就是关于水仙为什么有蕾却枯焦的介绍。
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