家系选育 family selection
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育种所用的一种选育方法。即从群体中选出的某一个个体自交产生的后代,或由于2个个体杂交产生的后代,或由一个个体产生的后代(根据母本而不是根据父本来判别)等,通过不同程度的同系交配产生的家系,分别进行繁育,然后在家系间进行选择。用于动物和异花授粉植物的育种。玉米育种所用的穗行法( ear- to- row method)或留穗法( remnant method)即属此例。
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