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A chromosome region of chromosome 5B underpinning spike development in wheat

Webster, H., Keeble-Gagnère, G., Zhang, J.ORCID: 0000-0002-1623-4675 and Appels, R. (2014) A chromosome region of chromosome 5B underpinning spike development in wheat. In: Plant & Animal Genome Asia 2014, 19 - 21 May 2014, Grand Copthorne Waterfront Hotel, Singapore


The measurement of the timing, and anatomical features, of spike development in lines from a segregating doubled haploid population derived from a cross between the wheat varieties Westonia x Kauz, has defined a controlling region on chromosome 5B. The region accounted for significant variation in the time to booting, head emergence and floret and spikelet number. Analysis of the gene complement of the region indicated that a Vrn gene was present as well as several genes coding for enzymes that are central to the starch-sugar metabolomic pathway. The observations are discussed in terms of the concepts that argue for the importance of sugars in spike development.

Item Type: Conference Paper
Murdoch Affiliation(s): Centre for Comparative Genomics
School of Veterinary and Life Sciences
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