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DNA markers in onion improvement. - HH0913TFV

We propose to carry out strategic research to underpin genetic improvement of onion germplasm to meet the needs of the UK consumer for safe, high quality, health giving fresh vegetables -
• to provide them with increased choice e.g. UK sourced `mild` or `sweet` onions
• to provide support for the long term development of the UK onion industry

We will apply molecular genetic techniques to study allelic variation within onion for important traits for mild onions. The project aims to identify molecular markers linked to flavour, bulb quality and agronomic traits and test their efficiency in marker aided selection compared to a traditional selection system. The germplasm used will be our established collection of material which we expect to form the basis for the development of sweet/mild onion cultivars for the UK. Molecular markers identified in this material will therefore aid plant breeders in the development of new and improved cultivars.
1. To identify DNA markers for important traits required for UK production of low pungency onions:
• adaptation: bolting resistance & maturity time
• flavour: pungency & sweetness
• quality: skin quality & bulb shape

2. To test the practical use and efficiency of these markers in marker assisted selection (MAS) of onion germplasm
Project Documents
• Final Report : DNA markers in onion improvement.   (842k)
Time-Scale and Cost
From: 1999

To: 2004

Cost: £332,312
Contractor / Funded Organisations
Horticulture Research International
Organic Farming              
Fields of Study