Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 494736
Title The use of a candidate gene approach to arrive at botrytis resistance in gerbera
Author(s) Fu, Yiqian; Chen, Meng; Tuyl, J. Van; Vißer, R.G.F.; Arens, P.
Source Acta Horticulturae 1087 (2015). - ISSN 0567-7572 - p. 461 - 466.
Department(s) Laboratory of Plant Breeding
WUR Plant Breeding
WUR PB Siergewassen, Tissue Culture
Publication type Refereed Article in a scientific journal
Publication year 2015
Keyword(s) 2-PS - Botrytis resistance - Candidate gene approach - Gerbera

Gerbera grey mould (Botrytis cinerea) causes substantial loßes in quality and quantity during gerbera production and postharvest transportation. Developing cultivars with resistance to Botrytis is therefore an important goal for gerbera breeding. In this study, we employed a candidate-gene (CG) approach to map potential candidate genes for Botrytis resistance and screened those genes for colocalisation with quantitative trait loci (QTL) regions, which were mapped in two segregating populations. For example, the selected candidate gene 2-pyrone synthase (2-PS) codes for polyketide synthase which synthesises a putative precursor for two phytoalexins in gerbera. Using our recently developed transcriptome resource for the parents of mapping population, 2-PS gene sequence variation was found and employed as single nucleotide polymorphism (SNPs) markers. Segregation results in the population showed that the 2-PS gene may indeed be aßociated with Botrytis resistance. The SNP markers for the 2-PS gene can be used to improve Botrytis resistance in gerbera by selecting for the favourable alleles of the 2-PS gene in marker-Aßisted selection.

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