Abstract
Abstract Chickpea ( Cicer arietinum L.) is an economically and ecologically important food legume crop. Ethiopia has a large collection of chickpea germplasm accessions; but, it has not been extensively characterized for desirable sources of agronomic and symbiotic significance for use in breeding programs. A study was conducted at two locations (Ambo and Ginchi) in 2009/2010 to characterize and evaluate Ethiopian chickpea germplasm accessions for symbiotic and agronomic performance. One hundred and thirty-nine germplasm accessions were evaluated with 16 other genotypes including non-nodulating reference checks. Differences among genotypes, locations and genotype by location interaction effects were significant for a number of characters. A number of accessions better performing over the improved genotypes were identified for both symbiotic and agronomic characters. The amount of fixed nitrogen ranged from 13 to 49% in foliage, 30 to 44% in grain and 28 to 40% in total above-ground biomass. Grain yield performance varied from 31 to 70 g per 5 plants and seed size ranged from 82 to 288 g per 1000 seeds. For both symbiotic and agronomic characters, landraces were found to be overwhelmingly superior to introduced genotypes, except for seed size, where the best genotypes were all from exotic sources. The result indicated that Ethiopian chickpea landraces have better genetic potential for improving a number of symbiotic and agronomic characters over the varieties currently in use. Selection of best individuals within and among the accessions would be expected to be effective.
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Claims 10
Claim · model-written summary
Fixed nitrogen in chickpea foliage ranged from 13 to 49%.
- Taxon
- chickpea
Cicer arietinumt0 - Organ / stage
- foliagee2
- Outcome
- amount of fixed nitrogene2
- Value
- 13 to 49%e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ethiopian chickpea (Cicer arietinumL.) germplasm accessions”
e2“The amount of fixed nitrogen ranged from 13 to 49% in foliage, 30 to 44% in grain and 28 to 40% in total above-ground biomass”
Claim · model-written summary
Fixed nitrogen in chickpea grain ranged from 30 to 44%.
- Taxon
- chickpeaCicer arietinumt0
- Organ / stage
- graine2
- Outcome
- amount of fixed nitrogene2
- Value
- 30 to 44%e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ethiopian chickpea (Cicer arietinumL.) germplasm accessions”
e2“The amount of fixed nitrogen ranged from 13 to 49% in foliage, 30 to 44% in grain and 28 to 40% in total above-ground biomass”
Claim · model-written summary
Fixed nitrogen in total above-ground biomass ranged from 28 to 40%.
- Taxon
- chickpeaCicer arietinumt0
- Organ / stage
- total above-ground biomasse2
- Outcome
- amount of fixed nitrogene2
- Value
- 28 to 40%e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ethiopian chickpea (Cicer arietinumL.) germplasm accessions”
e2“The amount of fixed nitrogen ranged from 13 to 49% in foliage, 30 to 44% in grain and 28 to 40% in total above-ground biomass”
Claim · model-written summary
Grain yield of chickpea accessions ranged from 31 to 70 g per 5 plants.
- Taxon
- chickpeaCicer arietinumt0
- Outcome
- grain yield performancee4
- Value
- 31 to 70 g per 5 plantse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ethiopian chickpea (Cicer arietinumL.) germplasm accessions”
e4“Grain yield performance varied from 31 to 70 g per 5 plants and seed size ranged from 82 to 288 g per 1000 seeds”
Claim · model-written summary
Seed size of chickpea accessions ranged from 82 to 288 g per 1000 seeds.
- Taxon
- chickpeaCicer arietinumt0
- Outcome
- seed sizee4
- Value
- 82 to 288 g per 1000 seedse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ethiopian chickpea (Cicer arietinumL.) germplasm accessions”
e4“Grain yield performance varied from 31 to 70 g per 5 plants and seed size ranged from 82 to 288 g per 1000 seeds”
Claim · model-written summary
A number of chickpea accessions performed better than the improved genotypes for symbiotic and agronomic characters.
- Taxon
- chickpeaCicer arietinumt0
- Outcome
- symbiotic and agronomic characterse1
- Direction
- better performinge1
- Comparator
- improved genotypese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ethiopian chickpea (Cicer arietinumL.) germplasm accessions”
e1“A number of accessions better performing over the improved genotypes were identified for both symbiotic and agronomic characters”
Claim · model-written summary
Landraces were overwhelmingly superior to introduced genotypes for symbiotic and agronomic characters, except seed size.
- Taxon
- chickpeaCicer arietinumt0
- Material
- landracese3
- Outcome
- symbiotic and agronomic characterse3
- Direction
- superiore3
- Comparator
- introduced genotypese3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ethiopian chickpea (Cicer arietinumL.) germplasm accessions”
e3“For both symbiotic and agronomic characters, landraces were found to be overwhelmingly superior to introduced genotypes, except for seed size, where the best genotypes were all from exotic sources”
Claim · model-written summary
For seed size, the best chickpea genotypes were all from exotic sources.
- Taxon
- chickpeaCicer arietinumt0
- Material
- exotic sourcese3
- Outcome
- seed sizee3
- Direction
- beste3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ethiopian chickpea (Cicer arietinumL.) germplasm accessions”
e3“For both symbiotic and agronomic characters, landraces were found to be overwhelmingly superior to introduced genotypes, except for seed size, where the best genotypes were all from exotic sources”
Claim · model-written summary
Differences among genotypes, locations and genotype-by-location interactions were significant for a number of characters.
- Taxon
- chickpeaCicer arietinumt0
- Outcome
- differences among genotypes, locations and genotype by location interaction effectse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ethiopian chickpea (Cicer arietinumL.) germplasm accessions”
e6“Differences among genotypes, locations and genotype by location interaction effects were significant for a number of characters”
Claim · model-written summary
Selection of the best individuals within and among accessions is expected to be effective.
- Taxon
- chickpeaCicer arietinumt0
- Outcome
- selection of best individuals within and among the accessionse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ethiopian chickpea (Cicer arietinumL.) germplasm accessions”
e7“Selection of best individuals within and among the accessions would be expected to be effective”