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自交系配合力的高低和单交种产量有密切关系。由配合力高的自交系组成单交,其产量也高;反之则低。自交系配合力乃是能遗传的特性,并在自交二代后已基本稳定。
The level of combining ability of inbred lines is closely related to the yield of single cross. Forced by the combination of high inbred lines, its output is high; otherwise low. Inbreds combining ability is a property that can be inherited, and has been basically stable after selfing for two generations.