太阳花种子怎样种能快速发芽

植物图片 2019-08-29 10:12

太阳花也叫松叶牡丹、半支莲，由于照到阳光就会开花，而早、晚、阴天的时候花就会闭合，所以被叫做太阳花。今天小编带来一篇怎么让太阳花种子发芽的文章，有兴趣的朋友别错过。

太阳花

太阳花种子发芽

很多朋友想要养殖太阳花的时候都是将种子买回来，然后随便撒在地上就静等它发芽了。虽说这种办法是有发芽的几率，但是却不高，需要撒很多的种子才能有少数的几个发芽，会造成不必要的浪费，想要增加太阳花种子的发芽率是要有一定步骤的，下面我们一起学习。

1、润土

在播种前要将播种用的土用水浇透，让水完全渗透进土里，才能播种。

2、播种

太阳花的种子很小，播种的时候直接散撒撒在土面上，然后撒上一层薄薄的散土。最好就用细土拌匀后一起撒。撒种的时候要注意覆土不能太厚，否则会使用种子发芽慢甚至不发芽的。

3、气温

太阳花种子发芽的适温为20-25℃，这个气温下的太阳花种子只要3-7天就可以出芽了。

太阳花发芽

4、湿度

太阳花的种在在比较湿润的环境中才能萌发，所以播下种子后要保持土壤的湿润，可以每天都用喷壶进行喷雾，保持盆土的湿润。最好不要直接浇水，防止水太大把种子冲走或者深埋进土里。

5、光照

虽说植物的生长离不开光照，但是在太阳花播种后是不能摆在太阳下晒的，应该摆在散射光的环境中，等种子发芽后再逐渐增加光照。

6、注意事项

最好将太阳花的种子播种在花盆上，这样不容易损失太阳花种子。如果是露地播种，要看好天气，确保在太阳花种子发芽这段时间不会有大风大雨，否则太阳花的种子会被吹走或者被冲走。

播种后养护

1、浇水

幼苗期的太阳花还是以喷雾保湿为主，生长期的太阳花不用频繁的去浇水，盆土干燥的时候补充下水分就好。太阳花的花期在5-10月，这段时间的天气比较炎热干燥，水分蒸发也快，所以要增加浇水，每次浇水浇头就好。

太阳花发芽

2、施肥

太阳花的生长对肥料要求不高，只要每半个月左右施一点肥就好，这样就足够维持太阳花的生长和开花所需要的养分了。

3、修剪

太阳花的幼苗长到3、4厘米高时，从根部又长出了分枝。此时摘去主枝的头梢，不久在断口处又会萌生出一簇枝芽。待到根部的分枝长到一定长度，也可对分枝进行摘头，如此这般处理后，太阳花被矮化了，株型也变好看了。

4、虫害防治

蚜虫：防治蚜虫的关键是在发芽前、即花芽膨大期喷药。此期可用吡虫啉4000～5000倍液。发芽后使用吡虫啉4000～5000倍液并加兑氯氰菊酯2000～3000倍液即可杀灭蚜虫，也可兼治杏仁蜂。坐果后可用蚜灭净1500倍液。

球坚介壳虫：分别于发芽前和5月下旬喷布机油乳剂50～80倍液并加兑乐斯本1500倍液。

太阳花也被叫做不死花，生命力顽强，几乎不怎么要打理，而且开花的颜色多且漂亮，很适合懒人养护哦。

太阳花

专题： 太阳花
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