普通系与高油系间相互杂交的三种杂交模式以及风干、青贮处理对玉米秸秆品质有较大影响。
The three cross patterns between NOC and HOC and air-dried, ensiled treatments had obvious influence on maize stover quality.
种质杂交模式主要是美国的瑞德黄马牙、兰卡斯特分别和中国的唐山四平头、旅大红骨的杂交形式。
The models of the germplasm hybrid were mainly of Reid's Yellow Dent and Lancaster from U. S. crossed separately with Tangshan Sipingtou and Ludahonggu cultivars from China.
种质资源是杂优猪选育的基础，育种部分是杂优猪选育的核心，完成专门化品系的选育、配合力测定和最优杂交模式的筛选以及专门化品系的纯繁扩群；
The genetic resource is the base of the breeding of hybrid swine, breeding section is the core, in which completes the breeding of special strains, combining ability testing .
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