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三七开花结果习性的研究
何振兴; 邓锡青;   
广西药用植物园
摘要:
作者对栽培二年和三年的三七的开花结果习性进行了对比观察研究,并采用过氧化物酶法对花粉生活力做了测定。研究结果证明,三年生植株开花结果的经济效益优于二年生植株,表现在花粉生活力强,结果率高,种子粒大充实饱满,空瘪粒少,而二年生植株恰恰与此相反。因此,应选择成龄的三年生植株留种为好。二年生植株则应摘除花苔,有利幼龄期三七植株的物质积累。本研究为生产上正确留种,获得优质高产的种子提供依据,同时也可作为开展杂交育种的参考。
关键词:  结果习性  花粉生活力  过氧化物酶法  成龄  复伞形花序  三七花  幼龄期  花数  第二年  结果期  
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