Sudika, i wayan (2015) Estimation of Genetics Variance Components from Composite and Hybrid Maize (Zea mays L) Hybridization. Scientific & Academic Publishing (5). pp. 107-112. ISSN 2163-260X
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Abstract
Hybridization is one of strategy to get potential maize that can grow in dry condition and produce high yield. This research was aimed to examine the changes in genetic variance as a result of the hybridization process and to evaluate genetic parameters of F1Pioneer 21xPHRKL population. The NC I mating design was used to develop the half-sib and the full-sib families in each population. The Randomized Complete Block Design, with sets nested within blocks, was used to examine hybridization result from both families. This research was used two blocks with 15 sets in each block. The data were analyzed by ANOVA, followed by estimation of genetic variance components; and their differences between two populations were analyzed by using F test. The result indicated that hybridization increased the additive variance of grain yield per plant by15.756 g. The variance was only 4.530±0.382 g.plant-1 in PHRKL, but increase until 20.286±1.426g.plant-1 in F1Pioneer 21xPHRKL population. Its dominance variance remained the same. Additive variance of grain yield per plant of F1Pioneer 21xPHRKL population was higher than its dominance variance. Heritability of grain yield was high; genotypic correlation with ear weight per plant at harvest was positive and significant. Therefore, grain yield improvement of the F1Pioneer 21xPHRKL population can be done directly or indirectly by selection on ear weight.
| Item Type: | Article |
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| Keywords (Kata Kunci): | Maize, Hybridization, Yield, Additive variance, Dominance variance |
| Subjects: | S Agriculture > S Agriculture (General) |
| Divisions: | Fakultas Pertanian |
| Depositing User: | Dr. Ir. MS Sudika I Wayan |
| Date Deposited: | 15 Nov 2022 01:32 |
| Last Modified: | 15 Nov 2022 01:32 |
| URI: | http://eprints.unram.ac.id/id/eprint/32982 |
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