breeding n. 1.孵化;饲养;繁育。 2.选种;育种。 3.繁殖,生育。 4.薰陶;养育,教养,礼貌。 5.【原子能】增殖,再生。 a man of fine breeding 有教养的人。 cross [out-and-out] breeding 杂交繁育。 close [in-and-in] breeding 近亲繁育。 mass breeding 混合育种。 cattle breeding 养牛业。
The advance in methods of breeding , resistance mechanism , preservation and most characters of wax gourd were summarized in this paper . the existing problems occurred in research and tendency was discussed 摘要本文概括了国内外冬瓜育种方法、抗性机理、主要农艺性状的遗传规律、贮藏等方面研究的最新进展,同时分析现阶段存在的问题,提出相应的解决办法,并对冬瓜育种的未来进行了展望。
The applications of ion beam technology on the wheat breedings1 were elucidated , the principles and methods of breedings through ion - beam - induced mutation and ion - beam - mediated transgene were summarized and the parameters involved in wheat breedings in detail ware described 摘要阐述了离子束生物技术在小麦育种领域应用情况,概括介绍了离子束诱变育种和离子束介导转基因技术的原理及方法,对离子束小麦育种过程中涉及的主要技术参数作了详细描述。