Early selection of potato clones with the H1 resistance gene - the relation of nematode resistance to quality characteristics

Dorota Milczarek, Anna Przetakiewicz, Piotr Kamiński and Bogdan Flis
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Dorota Milczarek: Research Centre Młochów, Plant Breeding and Acclimatization Institute - National Research Institute, Młochów, Poland
Anna Przetakiewicz: Research Centre Radzików, Plant Breeding and Acclimatization Institute - National Research Institute, Błonie, Poland
Piotr Kamiński: Potato Breeding Zamarte Ltd - IHAR Group, Kamień Krajeński, Poland
Bogdan Flis: Research Centre Młochów, Plant Breeding and Acclimatization Institute - National Research Institute, Młochów, Poland

Czech Journal of Genetics and Plant Breeding, 2014, vol. 50, issue 4, 278-284

Abstract: Breeding a new potato cultivar is a long-term process ending with a few elite individuals from initially large populations. Screening for resistance in the seedling and first clonal generations is a cost-effective and efficient way to reduce the time needed to create a new variety. Unlike the phenotypic assessment of resistance to nematodes, marker-assisted selection (MAS) can be applied at early stages of selection. The frequent question among breeders is about the impact of early selection for resistance on the agronomic value of finally selected resistant progeny. The study presents a relationship between the presence of markers TG689 and 57R and some agricultural traits in field grown seedlings and three successive vegetative generations. Both markers are linked to H1 gene, which confers resistance to the golden cyst nematode Globodera rostochiensis. Clones with these markers had higher total tuber and starch yield than those without the markers. A negative relationship between marker presence and quality was not observed.

Keywords: breeding; Globodera rostochiensis; marker-assisted selection; MAS; Solanum tuberosum (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjg:v:50:y:2014:i:4:id:114-2014-cjgpb

DOI: 10.17221/114/2014-CJGPB

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