彼岸花是根茎栽培,还是种子

2025-02-12 13:27:54
推荐回答(1个)
回答1:

彼岸花的根茎是球形的鳞茎,在种植的时候,要尽量选用比较饱满完
整且颜色也比较深的球根茎。可以用分球的方法种植,也可以用切割
的方法,还可以组培和播种种植。分球顾名思义就是把母球旁边生长
出的子球分离开,再另行种植,大概1、2年就能开花了。这种方式是
比较简单方便的,可以在彼岸花休眠或者开花后进行。切割也就是把
准备好的球根从底部平均分切成八部分,但不要切开掉,切的深度只
需有球根的二分之一左右即可。
再进行消毒之后放在阴凉处,阴干后
就可以插入土壤中了,大约3个月左右就能发出小芽了,在慢慢的长
出小鳞茎球后分离另行栽植成苗。组培是用MS培养基,把花梗与子房
做为植体的材料,经过培养,在它的切口处会产生一些愈合伤口的组
织。大概一个月就能生成一些不定根了,在3、4个月以后就会形成不
定芽。还可以用花梗与带茎的鳞片做为它的植体材料,这样也会生出
不定芽以及形成子球茎。播种一般是用杂交培育出来的种子,种子没
有休眠性可以采收后直接播种,温度在20度以下大约15天以后就可以
看见露出胚根。
在自然的环境下播种,它的第一个生长周期,会有较
少的实生苗长出一个叶子,在苗期可以进行1次移植。实生苗大约要4
、5年才会开花。
彼岸花对土壤的要求并不高,但最好是选用疏松排水且含有丰富的腐
殖质的壤土,土质也最好是微性的。不能用容易板结的土壤,这样的
土壤容易积水,会使它的球根茎腐烂。彼岸花很适宜湿润的生长环境
,但它也是能耐些干旱的。充足的水分会让彼岸花生长的更旺盛,所
以在发现土壤干燥且表面呈现灰白色时,要及时给它浇水以补充水分
。彼岸花会在夏天的时候休眠,因此浇水量和浇水的次数要逐渐的减
少,直至不用浇水。
彼岸花大多是生长在半阴的环境下,但它也能在
阳光下曝晒,在夏季进入休眠期以后,要尽量避免在太阳下直射,最
好放在阴凉通风的地方。彼岸花的生长期还是很长的,因为它是球根
茎的花卉。在种植彼岸花的土壤中要提前加入充足的底肥,种植后可
以2个月追施肥料一次。用腐熟的堆肥和三要素肥料都是可以的,如
果磷钾肥偏多些,对球根的发育和开花都有促进作用。
彼岸花喜欢温
暖的气候,但温度最高不要高于30度,温度保持在15-25度左右时,
它能生长的更好。冬天的温度在8度以上最好,如果温度不低于1度,
对彼岸花的生长也没有什么不好的影响。
彼岸花也会受到病虫害的侵袭,因为它的球根茎和果实都比较肥厚多
汁,所以养护的时候千万不要粗心大意。彼岸花有先开花后生发叶子
的,也有先抽发叶子,在叶子落后才开花的,总之花和叶总是不能相见,喜欢彼岸花
的朋友就种植看看吧。

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