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Genetic and phenotypic diversity of Iranian sainfoin landraces from semi-arid areas
Published online by Cambridge University Press: 12 March 2025
Abstract
Some Iranian local sainfoin landraces were studied to evaluate morphologic diversity and some related parameters according to 31 characteristics. Results indicated remarkable diversity for all characteristics whereas the phenotypic and genotypic CV (coefficient of variation) amounts were high for most of the measured characteristics. The magnitudes of heritability and genetic gain showed good potential in all of the sainfoin landraces. Also, the genetic advance as a mean per cent (breeding potential) for four characteristics was low while for 11 characteristics like thousand seed weight was moderate whereas for the other 16 remaining characteristics like total fresh and dry yield as well as seed yield was high, so the genetic advance of most characteristics was high and moderate and they can be improved by suitable selection strategy. Sainfoin landraces were categorized into four clusters via Wilks' lambda in both years whereas cluster-I with 10 common landraces at both years were early flowering and maturing while the seven common landraces of cluster-II and four common landraces of cluster-III indicated moderate values for most of sainfoin's traits. The three common landraces of cluster-IV (G14 from Azna, G19 from Kahlaran, and G25 from Saqqez) indicated higher values for most characteristics of sainfoin, and can be advised for releasing as the superior cultivars or used in crossbreeding programmes for generating the new cultivars with high-yield performance as well as high quality.
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- Copyright © The Author(s), 2025. Published by Cambridge University Press on behalf of National Institute of Agricultural Botany