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玉米自交系是指从一个玉米单株连续自交多代,结合选择而产生的性状整齐一致、遗传性相对稳定的自交后代系统。这种自交单株可来源于玉米品种或各类杂交种。自交系由于是有计划地有步骤地进行人工自交选育出来
Inbred maize is a self-made progeny system which has the characteristics of neat and consistent heredity and stable inheritance from a single maize continuous selfing for many generations. This selfing cross can be derived from corn varieties or from various hybrids. Inbreds are bred by artificial self-selection systematically and step by step