The Chromosomal Control of Leaf Characteristics of Early-Stage Plants in Wheat(Triticum aestivum L.)

LI Cun-dong; BAI Zhi-ying; Ye G; Miyagi M; Chapman S; Reader S M; LIU Chun-ji

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The Chromosomal Control of Leaf Characteristics of Early-Stage Plants in Wheat(Triticum aestivum L.)

机译：小麦（Triticum aestivum L.）早期植物叶片特性的染色体调控

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Rapid expansion of leaves of early-stage plants in wheat produced by chromosomal control of characteristics related to rapid expansion of the first six leaves of wheat were investigated using a set of single chromosome substitution lines under two different temperature regimes(TRs).Results from this study indicated that several chromosomes could be responsible for each of the four characteristics studied(including leaf width,leaf length,leaf elongation rate and leaf appearance index) and that different chromosomes may be responsible for the same characteristics at different TRs.Only a small number of substitutions that showed the most significant effects on leaf length were found among those that showed the most significant effects on leaf width,providing further evidence that these two characteristics are likely controlled by different sets of genes.Substitutions 4B,4D,and 5A are among those that were repeatedly detected to having significant effects on different leaf characteristics at the lower-TR and genes residing on these three chromosomes could be homologous.This possibility and its implication are discussed.

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《农业科学学报（英文版）》 |2011年第2期|159-165|共7页
作者
LI Cun-dong; BAI Zhi-ying; Ye G; Miyagi M; Chapman S; Reader S M; LIU Chun-ji;
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CSIRO Plant Industry Queensland Bioscience Precinct St Lucia QLD 4067 Australia;

Faculty of Agriculture Hebei Agricultural University Baoding 071000 P.R.China;

College of Life Science Hebei Agricultural University Baoding 071000 P.R.China;

School of Land and Food Sciences University of Queensland St Lucia QLD 4072 Australia;

John Innes Centre Norwich Research Park Colney Norwich NR4 7UH UK;

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The Chromosomal Control of Leaf Characteristics of Early-Stage Plants in Wheat(Triticum aestivum L.)

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