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Seed longevity in oilseed rape (Brassica napus L.) – genetic variation and QTL mapping.
- Source :
- Plant Genetic Resources: Characterisation & Utilisation; Jul2011, Vol. 9 Issue 2, p260-263, 4p
- Publication Year :
- 2011
-
Abstract
- Although oilseed rape has become one of the most important oil crops in Europe, little is known regarding the viability of its seed under conditions of long-term storage. We report here an examination of oilseed rape seed longevity performed on a set of 42 accessions housed at the German ex situ genebank at IPK, Gatersleben. A comparison of germination between the accessions stored for 26 years showed that viability was in part genetically determined, since it ranged between 42 and 98%. An attempt was made to define the genetic basis of viability by subjecting a mapping population of doubled haploids to three artificial ageing treatments. Quantitative trait loci (QTL) were detected on six chromosomes: N6, N7, N8, N15, N16 and N18. The chromosomal locations of these QTL were compared with their syntenic regions in Arabidopsis thaliana in order to explore what genes might underlie genetic variation for longevity. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 14792621
- Volume :
- 9
- Issue :
- 2
- Database :
- Complementary Index
- Journal :
- Plant Genetic Resources: Characterisation & Utilisation
- Publication Type :
- Academic Journal
- Accession number :
- 61715626
- Full Text :
- https://doi.org/10.1017/S1479262111000372