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锁阳种子休眠与萌发特性的初步研究

, PP. 655-659

Keywords: 锁阳(Cynomorium,songaricum),寄生植物,种子,萌发特性,休眠

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Abstract:

为了解锁阳(Cynomoriumsongaricum)寄生生长特性,使用物理方法和化学方法对其种子进行萌发诱导处理,观察萌发情况。结果表明锁阳种子较小,成熟的种胚发育不完全,萌发前后处于球形原胚阶段。试验结果证明,锁阳种子萌发的启动,需有来自寄主根中的某种萌发刺激信号;外源赤霉素(GA3)及乙烯溶液对种子休眠的破除具有作用。

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