Study of gene action and combining ability for seed yield and yield attributing traits in sunflower (Helianthus annuus L.)-Reference-Cited by-同舟云学术

Study of gene action and combining ability for seed yield and yield attributing traits in sunflower (Helianthus annuus L.)

Published:2023-07-04 Issue:2 Volume:38 Page:
ISSN:0970-2776
Container-title:Journal of Oilseeds Research
language:
Short-container-title:J. Oilseeds. Res.

Author:

S S LAKSHMAN ,H P MEENA ,N R CHAKRABARTY ,M K GHODKE

Abstract

Eight CMS lines and seven restorers were crossed in a line x tester fashion to elucidate the information on combining ability for achene yield, yield components and oil content and also to know the nature of gene actioninvolved in inheritance ofimportant traits. A total of 56 crosses were evaluated for 9 different quantitative traits. The analysis of variance revealed the existence of a statistically significant difference between the genotypes used in crossing, which confirmed the differences among selected parents. Among the lines, CMS-853A and CMS-852A exhibited significant gca effect for most ofthe characters studied except autogamy (%) and were found to be the best combiners. Likewise, tester EC-601878 was the best combiner for plant height, head diameter, days to 50% flowering, achene yield, autogamy (%), hull content, volume weight and oil content. Twenty-three crosses showed significant positive sca effect for yield. Among the crosses, CMS-103A x EC-601978, CMS-10A x EC-601725, CMS-207AxEC-623023,P-89-1AxEC-623027, CMS-850AxEC-601878 andCMS-853AxEC-623027 exhibited higher positive sca effect for yield. Non additive component of the genetic variance was observed for majority of the traits studied.

Publisher

Indian Society of Oilseeds Research

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