生石花怎样播种:生石花的种子非常细小,一般采用撒播

植物图片 2019-05-20 10:14

生石花源产地于非洲南部及西南地域,常见于岩床缝隙、石砾之中。生石花算得上是多肉界里的一朵奇葩了,长的根石头似的,不过他那奇异的石头姿态和鲜艳的小花都极具观赏价值,形如彩石,色彩丰富,娇小玲珑,享有“有生命的石头”的美称。下面我们一起看看它怎么播种。

生石花

播种前的准备

1、准备种子

通常来说,我们都会直接在网上购买石生花的种子,如果是朋友送的种荚那就要想办法把生石花种子从里面弄出来。

首先要装备一个水杯一把镊子和一些吸水纸。然后往杯子里倒少里温水,放入种荚,很快种荚就慢慢打开了,可以清晰地看见里面的种子,这时只要用镊子央住种荚来回晃动里面的种子就都晃出来留在水里了,最后连水带种子一起倒到吸水纸上就能得到种子了。

生石花种子

2、准备基质

市面上可见的基质种类很多,如赤玉土、鹿沼土、草炭、蛙石等,还有河沙、煤渣等都是很好的生石花播种基质。由于生石花的种子非常细小,所以基质一定要过筛,去掉粉末和过大的颗粒,留下比较细的基质播种用。将筛好的基质按照一定的比例混合(有多种方法,大家可以在实践中慢慢摸索),充分拌匀后摆在一旁待用。花盆无严格要求,只要方便操作,大小都可以。

3、消毒

将买回来的基质摊开摆在太阳底下暴晒几天就能起到消毒的作用了。当然,有条件的朋友可以将基质和消毒用的化学剂一起混合消毒,但是这种化学剂要对植物无害才行。

播种

1、播种时间

生石花的播种时间没有太大的要求,一年四季都可以播种,当然以春、秋天为佳,其中以秋天最好,而冬天最差。

2、装土

先在花盆底部放一张纱网,再放入一些过筛剩下的大颗粒,防止积水。然后将备好的基质装满花盆,轻蹲几下,让基质紧实,并使基质与花盆上沿保留1厘米的距离,随后浇透水,静置一旁。

3、播种

生石花的种子非常细小,所以通常采用撒播。撒的时候要尽量均匀,不要让种子扎堆,一个花盆也要依据花盆的大来决定播种多少,不能播种过多也不要太少。过多会使幼苗密集,影响通风透光,还会互相争夺水肥,出现生长不一致、大小分化、畸形的情况,甚至死掉。反之,如果太少,基质干湿循环慢,容易造成烂根。

播完以后在表面撒上一层薄薄的蛭石或河沙,目的是防止幼苗出土后倒伏,并有效地防止苔藓和绿藻的滋生。最后再喷上一些水,使种子和基质充分接触,这里尽量不要用浇的,避免种子被冲跑了。

种子播完后要在盆口盖上玻璃或薄膜,这样有助于盆栽保温,然后摆在气温22-26℃的地方,等待发芽,在等待发芽的期间不用再给生石花浇水。

生石花播种

出苗后管理

如果气温适合(15-25℃),播种后3一7天,种子就会陆续发芽,这时就要将花盆摆在有散射光的地方,让幼苗接受光照。几天后,待大部分幼苗长出后,就要逐渐揭开上面的覆盖物,并随生石花的生长逐渐增加通风和光照。

1、浇水

生石花在生长期需较多的水分,但不能过湿,否则容易长出青苔,或者造成生石花烂根。

2、施肥

生石花出苗后1个月就可以开始追肥了,主要以氮肥和钾肥为主,每隔15-20天随水施用,每次施肥的浓度都不要太高,要本着薄肥勤施的原则。

3、蜕皮

通常经过3个月左右的生长,幼苗就会第一次脱皮。在脱皮时不要浇水,要让使老皮里的水分被新生叶子充分吸收。

4、移苗

当幼苗长大了幼苗间的距离就会显的有些挤,所以要将幼苗移动一部分到别的花盆中区,移苗没有具体的时间限制,不要选择在炎热的正午就好。

移苗时要修剪死根、老根,然后在伤口处涂上多菌灵消毒。等伤口干燥后就重新栽种,这次栽种要预留生石花的生长空间,避免下次移苗,由于移苗有失败的风险。

生石花幼苗

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