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Collaborative project: Anticipatory breeding of starch potatoes with durable resistance towards the plant-parasitic nematode Meloidogyne chitwoodi. Subproject 1: Creating disruptive progeny with known resistances and cultivation of wild species with new resistance genes (MeloKon)
Project
Project code: 22025115
Contract period: 01.02.2017
- 31.01.2020
Budget: 73,629 Euro
Purpose of research: Applied research
Keywords: potato, resistance breeding
In Germany Meloidogyne chitwoodi was first detected around 20 years ago. So far, only few incidents were reported but the nematode is spreading. Given the fact that M. chitwoodi is established in the Netherlands and cross-border use of machinery for potato growing is common, continuous spread of the nematode on the German site is expected. The negative impact on potato production will be further aggravated by the lack of resistances in the actual cultivar collection. Hence, the identification of resistances against M. chitwoodi in wild species and their introgression into breeding material is of highest importance. For a sustainable resistance management it is also essential that complementing resistances are combined with one another (Pyramiding), so that a selection of resistance breaking isolates is prevented. Of particular importance is an anticipatory strategy due to crossing and selection cycles of about ten years. This is particularly true when new sources of resistance are introduced from wild species. Resistance genes from wild species are often linked to negative alleles (linkage drag) being the cause of low yield. This necessitates breeding cycles towards the removal of the negative alleles. Instrumental in streamlining these otherwise time consuming processes are high-throughput protocols for a marker-assisted selection.
Section overview
Subjects
- Plant Breeding
- Crop Protection
Framework programme
Funding programme
Excutive institution
Funding institution
Project management agencies
Associated projects: MeloKon
- Collaborative project: Anticipatory breeding of starch potatoes with durable resistance towards the plant-parasitic nematode Meloidogyne chitwoodi. Subproject 3: Development of quantiativen resistance tests of the tuber and its application
- Collaborative project: Anticipatory breeding of starch potatoes with durable resistance towards the plant-parasitic nematode Meloidogyne chitwoodi. Subproject 2
