士童怎么播种？士童养殖方法和注意事项

植物图片 2019-09-10 09:36

士童是一种比较奇特的仙人掌科植物，植株呈扁球形，在接受阳光直射之后，植株的颜色会变成紫红色。士童的繁殖方法通常是播种，至于士童怎么播种，方法其实很简单，只需要四个步骤就能够搞定，而且发芽只需要一周。

一、士童播种的方式

1、播种时间

士童的最好播种时间，就是它种子成熟的时候，半年内播种的发芽率在95%以上，而一年之后就会下降到50～80%，在两年之后就很难萌发了。而士童的花期在6～9月份之间，在这段时间内播种，成活率是最高的。

2、选择土壤

想要士童生长的更好，最好挑选比较疏松的颗粒土，主要是不能积水。自己配制的话，可以采用蛭石、谷壳碳及其煤灰混合配制。在配制完成后一定要进行消毒处理，避免种子被病害侵袭。

3、合理播种

将土壤配制好了之后，在最上层铺上一层大颗粒的蛭石，然后将种子播撒在其中，然后浇上适量的水即可。如果环境比较恶劣的话，可以在花盆上面盖上一块透明玻璃，用以保温保湿。

4、养护发芽

准备好了之后，就将花盆移阳光散射的地方养护，保持土壤的湿度，通常来说一周左右种子就会发芽了。等到士童幼苗的直径在2～3厘米的时候，就可以进行移栽了。知道了士童怎么播种，再来看看它的养护技巧。

二、士童的养护技巧

1、适量浇水

在给士童浇水的时候，要注意水质，其中不能含有过多的养分，通常的雨水、井水都是可以的。自来水最好先放置几天后再用。浇水的时候没有标准的频率，通常是等到盆土发干之后再浇水，浇水要浇透。

2、光照适合

士童的生长需要光照，充分的光照不仅能够让它长的更为饱满，还能够让它的颜色变成紫红色，之后开出的花朵也会更加的鲜艳。夏天的时候要适度的遮荫，避免灼伤。冬天的光线较弱，最好将其摆在室内向阳的地方补光。

3、把控气温

最适合士童生长的气温在20～30℃之间，气温如果超过了35℃，就要适度的进行荫蔽降温。在冬天的时候气温不要低于5℃，避免植株遭受冻害。

4、合理施肥

士童在生长过程中，就算不施肥也能够很好的生长，施肥还可能到造成植株烧根。不过适度的施加一些稀薄的肥液，是能够促进士童生长的，以稀薄的氮磷钾复合肥为主，一年施加3～4次就够了。

三、养士童需注意的事项

1、每年换盆

每年最好都给士童的植株进行一次换盆，由于花盆的空间及其土壤的养分都是有限的，而且时间长了土壤还会板结不透气，影响士童的生长，所以要换上裱疏松的新土。

2、控水促花

在士童进入花期之后，可以通过控水促花。在花期之处保持一段时间的干燥状态，等到一个晴朗的日子再土壤的加强水量，这样就能够促进士童开花。

看完上面的内容，相信大家应该知道士童播种的具体方法了，在得到刚成熟的士童种子之后，最好就立即进行播种，这样成活率是最高的。

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