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有道
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有性杂交
sexual hybridization
- 摘要常规有性杂交很难获得油菜与芸芥的属间杂种。
It is difficult to obtain the intergeneric hybrid between Brassica napus and Eruca sativa through the routine crossing. - 杂交分有性杂交和无性杂交，这两种方法在我国古代的应用都是相当突出的。
The application of both methods of hybridization — sexual and asexual — is remarkable in ancient China. - 通过品种间有性杂交,系谱法选育而成的水稻新品种九稻56号是具有优质、抗病、稳产、适应性广等特性的中晚熟水稻新品种,在生产上有广阔的推广价值.
The new rice variety Jiudao56 was selected through sexual hybridization by pedigree technique,which had such advantages as high quality,disease resistance, steady yield,wide adaptability,middle or late maturing,and broad application value to production.
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