Three protocols including Jinnan cattle development, economic crossbreeding and gene bank construction was evaluated, and recommendations on three protocols was proposed.
本文对晋南牛开发实施方案、经济杂交方案及基因库工作方案的内容给予了肯定的评价，并对三个方案提出了意见和建议。
Crossbreeding as a effective way to cultivate excellent trees variety has been extensively applied on major economic trees breeding.
杂交育种技术是培育优良树木品种的有效方法，在主要经济树木育种中已得到广泛的应用。
Crossbreeding as a effective way to cultivate excellent crop variety has been extensively applied on major economic crops breeding.
杂交育种技术是培育优良作物品种的有效方法，在主要经济作物育种中已得到广泛的应用。
Genetic characteristics of several major economic characters in fruit trees which can provide theory basis for selection of parents in plant crossbreeding are discussed.
综述了果树主要经济性状的遗传特点，以期为果树杂交育种中亲本的选配提供理论依据。
Genetic characteristics of several major economic characters in fruit trees which can provide theory basis for selection of parents in plant crossbreeding are discussed.
综述了果树主要经济性状的遗传特点，以期为果树杂交育种中亲本的选配提供理论依据。
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