发布时间:2025-01-24 07:27:15
芍药花种子落地后,需多长时间发芽,这个很难肯定。因为芍药种子具有上下胚轴双重休眠的特性,秋季较低的温度,可解除下胚轴的休眠,促进胚根发育生根,而冬季长时间低温可打破上胚轴的休眠,来年春天温度适宜时,可以萌芽出土。
芍药,一般播种繁殖,种子要经过低温(3 ~ 5 ℃)处理才能发芽。经过一个寒冷的冬天,第二年春天即可出苗。发育良好的实生苗3 ~ 5年可开花。一般芍药开花时间在5~6月份。
总是可以看到孩子在大街小巷玩泡泡水那些孩子玩非常开心这些玩具是哪里得到的呀
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