“breeding by backcrossing”的概念、定义、翻译、参考文献-科学参考

单词	breeding by backcrossing
释义	breeding by backcrossing Encyclopedia 农学回交育种释 breeding by backcrossing回交育种两个品种杂交后，杂交一代(F1代)植株作母本再和双亲之一重复杂交（回交），从回交后代中选择单株作母本再与该亲本回交，如此进行若干次直至获得目标单株，经株系鉴定和比较试验后育成新品种的方法。
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