Vinodhana, N.K. and Sumathi, P. and Sathya, M. (2013) Genetic variability and inter-relationship among morpho-economic traits of pearl millet (Pennisetum glaucum (L.) r. Br.,) and their implications in selection. International Journal of Plant, Animal and Environmental Sciences, 3 (2). pp. 145-149.
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Abstract
A field experiment was conducted with fifty pearl millet genotypes raised in a randomized block design with two replications at Department of Millets, Tamil Nadu Agricultural University, Coimbatore and the observation was recorded for ten morpho-economic characters. High magnitude of variation in the experimental material of this study was reflected by high values of mean and range for almost all the characters. The results indicated that the genotypes 15010 recorded early flowering (38 days), ICTP 8203 recorded highest mean value for thousand seed weight (14.50g) and seed yield potential (6.50), 5713 for panicle length (53.50 cm) and panicle thickness (10.25mm), 6510 for plant height (330.50cm) and green fodder yield potential (6.50), 18116 for total number of tillers (6.50) and productive tillers (5.00) and 18780 for spikelet density (7.50) which indicated that these genotypes can be selected as a parents in pearl millet improvement programme for the development of elite varieties/hybrids. The PCV and GCV estimates were found to be high for seed yield potential followed by green fodder yield potential, panicle length, spikelet density, thousand seed weight and total number of tillers which suggests that there is enough scope for selection based on these characters. The high heritability combined with high genetic advance was observed for plant height, total number of tillers, panicle length, panicle thickness, spikelet density, 1000 seed weight, green fodder yield potential and seed yield potential which showed that these characters were controlled by additive gene effects and phenotypic selection for these characters were likely to be effective. A perusal of the results obtained in correlation analysis revealed that panicle length, panicle thickness, spikelet density, thousand seed weight and green fodder yield potential had positive correlation with seed yield potential. Hence, selection towards these components will lead to development of dual purpose pearl millet varieties/hybrids.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Pearl millet, selection, variability, correlation, dual purpose |
| Author Affiliation: | Department of Millets, Centre for Plant Breeding and Genetics, Tamil Nadu Agricultural University, Coimbatore 641 003, Tamil Nadu, India |
| Subjects: | Plant Production |
| Divisions: | Millet |
| Depositing User: | Mr T L Gautham |
| Date Deposited: | 16 May 2016 10:58 |
| Last Modified: | 16 May 2016 10:58 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/14309 |
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