发布时间:2025-01-24 08:41:58
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。
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