精选树(elite tree):通过遗传测定,证实是基因型优良、配合力良好的优树。家系:由单株树木上生产的自由授粉子代,或由双亲控制授粉产生的子代,统称家系...
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elite tree selection 优株筛选
filial generation of elite tree 优树子代
second generation of elite tree 二代优树
propagation of elite tree species 林木良种繁育
the secondary generation elite tree 二代优树
Elite nut tree 坚果型优树
tree elite seed 林木良种
To achieve these goals, genetically-elite families, clones and hybrids produced by tree improvement and biotechnology programs will be planted and managed with intensive silvicultural systems.
为了完成这些目标，优良遗传基因、无性繁殖和杂交改进树木品种，以及生物工程项目，将会集中用于植树造林体系的种植和管理中。
Historically, the elite government officials are generally people with bound volumes of the family tree.
历史上，官宦人家一般都是采用装订成册的家谱。
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