Genetic Effects and Combining Ability for Yield and its Component Traits in Rice (Oryza sativa L.) Using Line X Tester
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064

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Research Paper | Genetics Science | India | Volume 7 Issue 8, August 2018

Genetic Effects and Combining Ability for Yield and its Component Traits in Rice (Oryza sativa L.) Using Line X Tester

Syed Azmath, V. Anbanandan, R. Thirumalai

Combining ability analysis for yield and yield components in some important rice germplasm through Line X Tester analysis of 28 cross developed crossing 7 lines and 4 Testers. The variance due to sca were higher than the corresponding gca variance for ten characters as days to fifty percent flowering, plant height at maturity, number of productive tillers per plant, number of grain per panicle, panicle length, 100 grain weight, grain yield per plant, kernel length, kernel breadth, kernel length x breadth. Among the lines, based on mean performance studied ADT 41, ADT 45 and ADT 47 was adjudged as superior parents for grain yield per plant and most of the corresponding characters in testers ADT 36 and CO 51 were recorded high for grain yield and some of the characters. Among the hybrids ADT 41 ADT 36, ADT 47 ADT 36, ADT 41 CO 51 and ADT 45 ADT 36 were identified as best one since it had desirable per se performance for all the ten characters studied. The combining ability variance revealed the predominance of additive gene action for all the characters studied.

Keywords: Combining ability, Line X Tester, Per se

Edition: Volume 7 Issue 8, August 2018

Pages: 1478 - 1483

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How to Cite this Article?

Syed Azmath, V. Anbanandan, R. Thirumalai, "Genetic Effects and Combining Ability for Yield and its Component Traits in Rice (Oryza sativa L.) Using Line X Tester", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=ART2019677, Volume 7 Issue 8, August 2018, 1478 - 1483

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