Diversity within and between populations of two sympatrically distributed Hordeum species in Jordan

The diversity of two sympatrically distributed barley species (Hordeum vulgare L. and Hordeum spontaneum C. Koch.) has been assessed for 7 morphometric and 13 qualitative traits. Phenotypically, Hordeum vulgare was more stable than Hordeum spontaneum for all morphometric traits; this is a reflection...

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Bibliographic Details
Published in:Theoretical and applied genetics 1989-11, Vol.78 (5), p.653-656
Main Author: Jaradat, A.A
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Biological and medical sciences
Classical genetics, quantitative genetics, hybrids
Fundamental and applied biological sciences. Psychology
gene flow
Generalities
Generalities. Genetics. Plant material
genetic polymorphism
genetic techniques and protocols
genetic variation
Genetics and breeding of economic plants
Genetics of eukaryotes. Biological and molecular evolution
Hordeum vulgare
Hordeum vulgare subsp. spontaneum
phenotype
Plant material
plant morphology
Pteridophyta, spermatophyta
Vegetals
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Summary:The diversity of two sympatrically distributed barley species (Hordeum vulgare L. and Hordeum spontaneum C. Koch.) has been assessed for 7 morphometric and 13 qualitative traits. Phenotypically, Hordeum vulgare was more stable than Hordeum spontaneum for all morphometric traits; this is a reflection of domestication and selection. The overall diversity indexes were 0.546±0.125 and 0.502±0.113 for Hordeum vulgare and Hordeum spontaneum, respectively (P=0.095). However, Hordeum spontaneum expressed a higher level of diversity for most qualitative traits. The observed similarity for a number of diversity indexes is probably due to gene flow between the two species.
ISSN:0040-5752
1432-2242
DOI:10.1007/BF00262560