《Table 4–Comparison of effects of Rht14 and Rht-B1b on plant height, internode length, seedling shoo

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《"Mapping of dwarfing gene Rht14 in durum wheat and its effect on seedling vigor, internode length and plant height"》

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Details of phenotypic variation for plant height，internode length，spike length，coleoptile and seedling shoot length are given in Table 1.Heritability（0.83 to 0.97）of plant height was high in both populations.The Bijaga Yellow/Castelporziano RIL population showed a bimodal distribution in each of the over three years of testing（Fig.S1），suggesting that height was governed by single major gene.The population was clearly divided into two classes，a tall group with height of>85 cm and a semidwarf group with height of<85 cm.Genotypes falling into these groups were used as binary data to map Rht14 in the Bijaga Yellow/Castelporziano population.In HI8498/Castelporziano population，heritability was high for internode length and moderate for spike length.In addition to the high heritability and genotypic variance for all traits，environment and genotype×environment interaction was also significant（Table 2）.The GA-sensitivity assay using exogenous GA3（100μmol L-1）gave a 24%increase in coleoptile length when applied to Castelporziano seedlings but no effect when applied to HI 8498 as expected（Fig.1）.