Sindagi, S.S. and Swarup, V. and Singh, D. (1970) Correlation between Characters Contributing to Yield in F2 Progenies of Intervarietal Crosses in Sorghum. Indian Journal of Genetics and Plant Breeding, 30 (3). pp. 654-659.
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Abstract
The genetic, phenotypic and environmental correlation coefficients were worked out for different pairs of characters, in the F2 progenies of the two inter-varietal crosses of sorghum, namely, Texas Blackhull Kafir (T.B.K.) X I.C. 3437 and Texas Blackhull Kafir (T.B.K.) X I.C. 2397. The characters studied were, plant height, number of leaves, flowering date, 100-seed weight, grain yield and fodder yield. In the cross T.B.K. X I.C. 3437, the grain yield and the fodder yield was positively correlated with flowering date, grain yield, plant height and number of leaves. Fodder yield was negatively correlated with flowering date but positively associated with plant height and number of leaves in the other cross, T.B.K. X I.C. 2397. In almost all cases the genotypic correlation coefficients were higher than the phenotypic and environmental correlation coefficients. The genetic advance in an unselected character resulting from the use of a single character as selection criterion was also estimated in both the crosses. In the cross T.B.K. X I.C. 3437, flowering date, 100-seed weight and fodder yield were the best individual characters for selection of high grain yield. For increased fodder yield in the other cross T.B.K. X I.C 2397, plant height and number of leaves were the most effective individual characters for selection.
| Item Type: | Article |
|---|---|
| Author Affiliation: | Division of Genetics, Indian Agricultural Research Institute, New Delhi-12 |
| Subjects: | Statistics and Experimentation Crop Improvement |
| Divisions: | Sorghum |
| Depositing User: | Mr. SanatKumar Behera |
| Date Deposited: | 29 May 2012 07:52 |
| Last Modified: | 29 May 2012 07:55 |
| Official URL: | http://www.indianjournals.com/ijor.aspx?target=ijo... |
| URI: | http://eprints.icrisat.ac.in/id/eprint/5881 |
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