Molecular breeding for root rot resistant raspberries suitable for low input growing systems

Irene Tierney, Kay Smith, Katrine MacKenzie, Julie Graham*

*Corresponding author for this work

Research output: Contribution to conferenceOther


The UK raspberry industry is faced with new challenges in a rapidly-evolving market; with the shift of production to low input systems, under cover, and with the use of fewer pesticides. However, there is a lack of cultivars resistant to some of the most damaging pathogens, notably to raspberry root rot caused by Phytophthora fragariae var. rubi, which is one of the most devastating diseases of raspberry.
Disease resistance is increasing in importance, but breeders have limited resources and is traditionally time consuming. Breeding can be more precise and rapid with the use of a genetic linkage map and the development and utilisation of diagnostic markers associated with genes that control complex QTLs. A genetic linkage map has been constructed from two phenotypically different cultivars; a susceptible European cv. Glen Moy and a resistant North American cv. Latham. Marker assisted selection and breeding would make possible the introduction of resistance into selected germplasm and breeding lines
The mapping population has been replicated and tested under both glasshouse and field conditions to assess the progeny for resistance status. The data has been analysed and regions on two linkage groups have been identified as important for resistance.
Original languageEnglish
Number of pages1
Publication statusPublished - 22 Mar 2006
Externally publishedYes
EventInternational Rosaceae Genomics Conference - New Zealand, Napier
Duration: 19 Mar 200622 Mar 2006
Conference number: 3


ConferenceInternational Rosaceae Genomics Conference
Abbreviated titleRGC
Internet address


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