germplasm resource of maize 种质资源
germplasm resource of tea plant 茶树种质资源
use of germplasm resource 种质资源利用
In order to broaden the germplasm resource of maize, many maize breeding researchers have done much work to collect local germplasm and introduce excellent exotic germplasm to China.
针对玉米种质资源狭窄的客观现实，我国的许多玉米育种工作者从收集地方种质，引进外来种质入手，为拓宽玉米种质资源作了大量工作。
The situation of the germplasm resource of apricot in China was briefly introduced, and main research development and the ways of use in germplasm resource of apricot in China also were summarized.
简要介绍了我国杏种质资源，综述了近年来我国杏种质资源的主要研究成果以及利用的方向和主要途径。
Oppositifolious character of maize is a new variation type, whose leaf and kernel are both oppositifolious, which is a high-yield breeding germplasm resource.
玉米的对生性状是一个新的变异类型，其叶片和果穗均为对生，是高产育种极其珍贵的种质资源。
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