Abstract
Combining ability is mostly used by breeders to select appropriate parental cultivars to produce the larger progeny of new combinations through their hybridization. The objectives of this research were to estimate general combining ability of parents and specific combining abilities of F 1 hybrids, to identify suitable parents and hybrids for yield and its contributing traits. In this study, 18 F 1 hybrids obtained by crossing six lines (Ethiopia) with three testers (Brazil) in line tester mating design during summer season of 2013-14 and were planted in complete randomized block design with two replications during summer season of 2014-15. Among the lines, BELESA 95 proved to be a good general combiner for number of pods per plant, grain yield per plant and pod weight. Majority of the best specific combination for different characters resulted from the crosses among the parents with high low and low low GCA effects. Non-additive effects were predominant for number of pods per plant and grain yield, but appreciable additive effects were observed for hundred seed weight, pod weight and primary branches. Non-additive as well as additive types of gene action are more important for soybean improvement.
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Claims 5
Claim · model-written summary
BELESA 95 is a good general combiner for pods per plant, grain yield per plant and pod weight.
- Taxon
- soybean
Glycine maxe5 - Material
- BELESA 95e1
- Outcome
- general combiner for number of pods per plant, grain yield per plant and pod weighte1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Among the lines, BELESA 95 proved to be a good general combiner for number of pods per plant, grain yield per plant and pod weight”
e5“Non-additive as well as additive types of gene action are more important for soybean improvement”
Claim · model-written summary
Most of the best specific combinations for different characters came from crosses among parents with high and low GCA effects.
- Taxon
- soybeanGlycine maxe5
- Outcome
- best specific combination for different characterse2
- Qualifier
- crosses among the parents with high low and low low GCA effectse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Majority of the best specific combination for different characters resulted from the crosses among the parents with high low and low low GCA effects”
e5“Non-additive as well as additive types of gene action are more important for soybean improvement”
Claim · model-written summary
Non-additive gene effects were predominant for pods per plant and grain yield in soybean.
- Taxon
- soybeanGlycine maxe5
- Outcome
- Non-additive effectse3
- Qualifier
- predominant for number of pods per plant and grain yielde3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Non-additive effects were predominant for number of pods per plant and grain yield”
e5“Non-additive as well as additive types of gene action are more important for soybean improvement”
Claim · model-written summary
Additive gene effects were appreciable for hundred seed weight, pod weight and primary branches in soybean.
- Taxon
- soybeanGlycine maxe5
- Outcome
- appreciable additive effectse4
- Qualifier
- for hundred seed weight, pod weight and primary branchese4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“appreciable additive effects were observed for hundred seed weight, pod weight and primary branches”
e5“Non-additive as well as additive types of gene action are more important for soybean improvement”
Claim · model-written summary
Both non-additive and additive gene action matter for soybean improvement.
- Taxon
- soybeanGlycine maxe5
- Outcome
- soybean improvemente5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Non-additive as well as additive types of gene action are more important for soybean improvement”