Abstract
The genetic architecture of yield and its components in chickpea (Cicer arietinum L.) was studied in a partial diallel set (s =6) involving fifteen strains representing different ecogeographical regions in F1 and F2 generations. Both general and specific combining ability variances were substantial in the material for various characters under study. However, the mean square for general combining ability accounted for a higher proportion of the total variability. The estimates indicated a predominant role of additive gene action for test weight. Days to flower and number of pods per plant showed additive gene action in F1 but non-additive in F2. Non-additive gene action played a major role in the genetic variation for plant height, days to maturity, days to reproductive phase and grain yield in both F1 and F2. Overdominance was operative for all the traits except days to flower and number of pods per plant in F1 and number of seeds per pod and test weight in both F1 and F2. Parental performance as judged by g.c.a. effects indicated that ‘Chaffa’, ‘Gwalior 2’, T 1’, ‘P 864’, ‘P 1211’ and ‘N 59’ were promising material.
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Claims 8
Claim · model-written summary
General and specific combining ability variances were substantial for the studied chickpea characters.
- Taxon
- chickpea
Cicer arietinumt0 - Outcome
- general and specific combining ability variancese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both general and specific combining ability variances were substantial in the material for various characters under study.”
t0“Chickpea”
Claim · model-written summary
General combining ability accounted for more total variability than specific combining ability.
- Taxon
- chickpeaCicer arietinumt0
- Outcome
- mean square for general combining abilitye0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the mean square for general combining ability accounted for a higher proportion of the total variability.”
t0“Chickpea”
Claim · model-written summary
Additive gene action predominated for test weight.
- Taxon
- chickpeaCicer arietinumt0
- Outcome
- additive gene action for test weighte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“predominant role of additive gene action for test weight.”
t0“Chickpea”
Claim · model-written summary
Days to flower and pods per plant showed additive action in F1.
- Taxon
- chickpeaCicer arietinumt0
- Outcome
- Days to flower and number of pods per plant showed additive gene action in F1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Days to flower and number of pods per plant showed additive gene action in F1 but non-additive in F2.”
t0“Chickpea”
Claim · model-written summary
Days to flower and pods per plant showed non-additive action in F2.
- Taxon
- chickpeaCicer arietinumt0
- Outcome
- non-additive in F2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Days to flower and number of pods per plant showed additive gene action in F1 but non-additive in F2.”
t0“Chickpea”
Claim · model-written summary
Non-additive action predominated for plant height, maturity timing, reproductive phase timing and grain yield in F1 and F2.
- Taxon
- chickpeaCicer arietinumt0
- Outcome
- Non-additive gene actione0
- Qualifier
- plant height, days to maturity, days to reproductive phase and grain yield in both F1 and F2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Non-additive gene action played a major role in the genetic variation for plant height, days to maturity, days to reproductive phase and grain yield in both F1 and F2.”
t0“Chickpea”
Claim · model-written summary
Overdominance operated for all traits except the stated F1 and F1/F2 exceptions.
- Taxon
- chickpeaCicer arietinumt0
- Outcome
- Overdominancee0
- Qualifier
- except days to flower and number of pods per plant in F1 and number of seeds per pod and test weight in both F1 and F2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Overdominance was operative for all the traits except days to flower and number of pods per plant in F1 and number of seeds per pod and test weight in both F1 and F2.”
t0“Chickpea”
Claim · model-written summary
Six parental strains were promising by general combining ability effects.
- Taxon
- chickpeaCicer arietinumt0
- Material
- ‘Chaffa’, ‘Gwalior 2’, T 1’, ‘P 864’, ‘P 1211’ and ‘N 59’e0
- Outcome
- promising materiale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Parental performance as judged by g.c.a. effects indicated that ‘Chaffa’, ‘Gwalior 2’, T 1’, ‘P 864’, ‘P 1211’ and ‘N 59’ were promising material.”
t0“Chickpea”