Heterosis and combining ability studies in grain sorghum

Singhania, D.L. (1980) Heterosis and combining ability studies in grain sorghum. Indian Journal of Genetics and Plant Breeding, 40 (2). pp. 463-471.

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Heterosis over superior parent indicated that grain yield was most heterotic character followed by the number of grains per panicle. The yield superiority of hybrids resulted mainly from the increase in number of seeds per panicle. The hybrids were earlier and taller. The combining ability estimates revealed that general combining ability was predominant for mature plant height, days to bloom, panicle length, number of grains per panicle and hundred grain weight, but for grain yield specific combining ability was more important. The general combining ability effects were also variable over locations. While there was considerable scope for yield component improvement, yield of hybrids can only be elevated by improving the male sterile lines

Item Type: Article
Author Affiliation: Indian Agricultural Research Institute, New Delhi, 110012, India
Subjects: Crop Improvement > Genetics/Genomics
Crop Improvement > Plant Breeding
Divisions: Sorghum
Depositing User: Ms K Syamalamba
Date Deposited: 17 May 2012 08:48
Last Modified: 17 May 2012 08:48
Official URL: http://indianjournals.com/ijor.aspx?target=ijor:ij...
URI: http://eprints.icrisat.ac.in/id/eprint/5430

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