Genotypic variability for carbon isotope discrimination in the mutant and improved lines of barley

Drought tolerance is an important breeding objective in dry and semi-dry conditions. Carbon isotope discrimination (Δ) is a tool that may be used to improve water-use efficiency (WUE) as an indirect selection criterion. The study investigated the variability for Δ in improved F 7 lines and their par...

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Bibliographic Details
Published in:Isotopes in environmental and health studies 2005-09, Vol.41 (3), p.229-235
Main Authors: Çağirgan, M. İlhan, Özbaş, M. Onur, Heng, Lee K., Afza, Rownak
Format: Article
Language:English
Subjects:
Aridity
Barley
Carbon Isotopes - analysis
Carbon-13
Genetic Techniques
Genetic Variation
Genotype
Heritability
Hordeum - genetics
Hordeum - growth & development
Hordeum vulgare
Mutant
Mutation
Natural abundances
Turkey
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Summary:Drought tolerance is an important breeding objective in dry and semi-dry conditions. Carbon isotope discrimination (Δ) is a tool that may be used to improve water-use efficiency (WUE) as an indirect selection criterion. The study investigated the variability for Δ in improved F 7 lines and their parents (three cultivars and two mutant lines), which were sampled randomly from an F 6 nursery performing well under semi-dry conditions. In total, 40 entries were grown in sand culture, arranged in three-replicated randomized complete block designs in two sets of experiments in Antalya, Turkey. There were statistically significant differences (p
ISSN:1025-6016
1477-2639
DOI:10.1080/10256010500230106