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Identification and molecular mapping of a new dwarfing gene from a Chinese landrace variety


Wang, JM and Yang, JM and McNeil, DL and Zhou, M, Identification and molecular mapping of a new dwarfing gene from a Chinese landrace variety , Proceedings of the 14th Australasian Plant Breeding and 11th Society for the Advancement of Breeding Research in Asia & Oceania Conference, 10-14 August 2009, Cairns, Qeensland, pp. 1-5. (2009) [Conference Extract]

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A doubled haploid population, generated from a cross between Franklin and TX9425, were grown in three environments to identify quantitative trait loci (QTLs) controlling plant height. Both parents had similar plant height in autumn sown trials but TX9425 was much shorter in spring sown trials. The DH lines showed a wide range of variations in all the different environments. Three QTLs were found for plant height, including one from Franklin (denso) and one from TX9425 (possibly uzu). A new dwarf gene was also found from the Chinese landrace variety. This new gene was located at the close position to denso and uzu genes and only expressed in late winter or spring sown trials.

Item Details

Item Type:Conference Extract
Keywords:barley, quantitative trait loci, double haploid, dwarf gene, DArT marker, marker assisted selection
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Crop and pasture production
Research Field:Crop and pasture biochemistry and physiology
Objective Division:Plant Production and Plant Primary Products
Objective Group:Grains and seeds
Objective Field:Grains and seeds not elsewhere classified
UTAS Author:Wang, JM (Dr Junmei Wang)
UTAS Author:McNeil, DL (Professor David McNeil)
UTAS Author:Zhou, M (Professor Meixue Zhou)
ID Code:54564
Year Published:2009
Deposited By:Agricultural Science
Deposited On:2009-02-25
Last Modified:2013-02-18

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