Combining Ability Analysis for Qualitative Characters in Indian Hexaploid Wheat
Journal Title: International journal of Emerging Trends in Science and Technology - Year 2017, Vol 4, Issue 9
Abstract
Combining ability effects were estimated in line x tester crossing programme for five characters involving four lines and three testers in Triticum durum. It revealed preponderance of non-additive gene action for protein content, sedimentation value, Pelshenke value, DBC value and Lysine content, which suggests scope for improvement of these characters through heterosis breeding and transgressive segregants for evolving high yielding superior genotypes. PBW 343, HD 2687 and UP 2338 among tester and Diamond Bird, RL 6077, Pavon 76 and Webstar among lines were evaluated as good general combiners. Among hybrids, PBW 343 x Diamond Bird, HD 2687 x Pavon 76, PBW 343 x Webstar, were the most promising ones as they had high SCA effect and GCA effects for Protein content and its component characters. An attempt of multiple crosses with the use of all the above good general combiners would lead to obtain transgressive segregants for yield in advanced generations
Authors and Affiliations
Murugan A
Keywords
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