• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Cogent Food & Agriculture >Combining ability performance and heterotic grouping of maize (Zea mays) inbred lines in testcross formation in Western Amhara, North West Ethiopia
【24h】

Combining ability performance and heterotic grouping of maize (Zea mays) inbred lines in testcross formation in Western Amhara, North West Ethiopia

机译：玉米（ZEA 5月）玉米（Zea Mays）近交系的能力性能和异性分组在西部阿哈拉，西部埃塞俄比亚试验译中

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Development and selections of appropriate parents’ are perquisites for hybrid variety development and need knowledge of heterotic grouping and combining ability. The research was investigated to identify good general combiner inbred lines and good specific combiner three-way crosses using randomized complete block design with three replications. Sixteen crosses (eight inbred lines crossed with two testers) and three standard checks were evaluated for yield and yield components. Analysis of variance disclosed significant differences among genotypes for most traits indicating existence of variability among genotypes. General combining ability (GCA) for grain yield demonstrated five inbred lines and T2 was good general combiner for grain yield. Specific combining ability (SCA) analysis revealed eight hybrids were good specific combiner for grain yield. Three hybrids explained good correspondence between mean grain yield and SCA. Four inbred lines (L1, L2, L5 and L7) were grouped in to heterotic group A and the remaining four lines were classified in to heterotic group B. Inbred lines from different heterotic group can be used for hybrids development and lines within a heterotic group and good GCA can be used for synthetic varieties development. Crosses with desirable SCA and better yield performance will be tested in multi-location trials.
机译：适当的父母的开发和选择是杂种品种发展的疑虑，需要了解异性分组和结合能力。研究了研究，以识别良好的一般组合者自交系和良好的特定组合物三通交叉，使用三次复制。评价十六十字（八条与两个测试仪交叉的近交系数）和三种标准检查进行产量和产量组分。方差分析在大多数特征的基因型中公开了显着差异，这表明基因型之间存在变异性存在。谷物产量的一般组合能力（GCA）证明了五条自交系，T2是谷物产量的良好通用组合物。具体的组合能力（SCA）分析显示出八个杂种是谷物产量的良好特异性组合器。三种杂种在平均谷物产量和SCA之间解释了良好的对应关系。将四条近交系（L1，L2，L5和L7）分组在异丙氨酸A A中，并且剩余的四条线被分类为异水组B.来自不同杂交基团的近交系可用于杂种发育和异丙菌基团内的线良好的GCA可用于合成品种开发。具有理想的SCA和更好的产量性能的交叉将在多位置试验中进行测试。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号