Vaidya, K.R. and Singh, Amarjit and Singh, B.B. (1983) Line x tester analysis in pearl millet (Pennisetum americanum (L.) K. Leeke). 1: Heterosis and combining ability for seed yield, seed size and protein content. Genetica Agraria, 37 (3-4). pp. 247-256.
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Abstract
A line x tester analysis involving 10 selected lines as male parents and two male sterile lines, with their maintainers and two experimental composite populations as female parents was carried out for seed yield, seed size and protein content. The performance of the hybrids for each of these characters was compared to that of the parents. Marked heterosis (heterobeltiosis) was observed for all the characters. The superiority of the hybrids over the better parent ranged between 1.5 to 134.0 percent for seed yield, between 0.6 to 44.5 percent for seed size and between 0.7 to 38.8 percent for protein content. The general and specific combining ability variances for these characters were large. The nature of gene action was found to be additive and nonadditive except for seed size, in which the variance due to specific combining ability was of greater importance. The general combining ability variance for protein was of the same order as the corresponding s.c.a. variance.
| Item Type: | Article |
|---|---|
| Author Affiliation: | Dept. of Plant Breeding, G.B. Pant University of Agriculture and Technology, Pantnagar, India |
| Subjects: | Crop Improvement > Genetics/Genomics Crop Improvement > Plant Breeding |
| Divisions: | Millet |
| Depositing User: | Sandhya Gir |
| Date Deposited: | 13 Oct 2010 08:46 |
| Last Modified: | 20 Oct 2010 10:16 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/11 |
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