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Vol. 10, Issue 1 (2021)

Evaluation of heterotic parental combinations based on early seed Vigor and SSR based molecular analysis in sorghum (Sorghum bicolour L.)

Author(s):
Priyamvada Chauhan and Pradeep Kumar Pandey
Abstract:
Seventeen SSR markers were used for the prediction of genetic relationship among parental lines and their respective F1 crosses based on heterosis analysis for various physiological seed quality traits in sorghum. A total of eleven parental line including five male sterile lines and six pollinator lines were used to make thirty crosses along with two checks and a detailed analysis was done based on comparison between SSR similarity matrix (SM) of parents and three types of heterosis (BP, MP and SP). Among lines, 11A2 gave more significant results with all pollinators in context with heterosis and similarity matrix. For seed vigor, significant and positive heterosis was exhibited 25 crosses ranged from 8.52 to 67.53 (BP) and 20 crosses ranged from 6.90 to 53.68 (MP). Only one cross i.e. ICSA 469 x SPV1616 (15.6) gave better results of heterosis over standard parent. Maximum heterobeltiosis was recorded in 11A2 x M35-1 for with parents were found to be very dissimilar genetically (SM 0.53). This study provides a good genetic base at seedling stage for the selection of parental lines for the development of potential heterotic combinations.
Pages: 639-644  |  130 Views  35 Downloads


The Pharma Innovation Journal
How to cite this article:
Priyamvada Chauhan, Pradeep Kumar Pandey. Evaluation of heterotic parental combinations based on early seed Vigor and SSR based molecular analysis in sorghum (Sorghum bicolour L.). Pharma Innovation 2021;10(1):639-644.
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