“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。
随便看	water transportation to the capital water transport engineering construction positioning survey water transport engineering survey water transport planning water treatment chemicals water treatment membrane water treatment plant water treatment plant production capacity water treatment process water treatment system water treatment unit for liquefaction process water tube boiler water tube boiler of single drum horizontal type water tube boiler of single drum vertical type water tunnel water use benefit water use control water use efficiency water use investigation water use norm water user association water-use right water vacuum tank water value of a calorimeter water valve

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