论文部分内容阅读
优良玉米杂交种的上位性与自交系培育的世代选择ＫｅｎｄａｌｌＲ．Ｌａｍｋｅｙ等现代玉米育种是以Ｓｈｕｌｌ（１９０９）和Ｅａｓｔ（１９０８）的工作为基础的，第一个自交系（称之为第一轮自交系）选自开放授粉的品种，并且主要用于配制双交种。由于循回开放授粉限制...
Generation of Superior Maize Hybrids and Inbred Lines for Breeding. Modern maize breeding by Lamkey et al. Is based on the work of Shull (1909) and East (1908). The first inbred line (called the first round of inbred lines) was selected from open pollination varieties and was used primarily in Preparation of double cross species. Because of the back pollination restrictions ...