Home > VIII International Scientific and Practical Conference on Biotechnology as an Instrument for Plant Biodiversity Conservation (Physiological, Biochemical, Embryological, Genetic and Legal Aspects) > NBS-LRR resistance genes polymorphism in apple landraces inferred from NBS-profiling

Articles

NBS-LRR resistance genes polymorphism in apple landraces inferred from NBS-profiling

Article number

1324_50

Pages

329 – 334

Language

English

Abstract

Identification of new sources of resistance to diseases, pests and unfavorable climatic conditions is an important problem for apple breeding.
At Pushkin and Pavlovsk Laboratories of VIR a diverse collection of apple landraces with high ecological plasticity, increased adaptation to abiotic stress and disease resistance is maintained.
NBS-LRR resistance genes variability in 107 apple landraces from VIR collection and 18 cultivars was studied using NBS-profiling.
The detected polymorphism level was rather high 82.11%, compared to previously studied modern Russian and foreign apple cultivars.
For each of the studied accessions specific NBS-patterns were revealed.
No significant differentiation of accessions originated from northwestern and central Russia, Finland and the Baltic countries was found, which can be explained by interchange of genetic material between neighboring countries.
Thus, apple landraces may become a new potential source of disease resistance for breeding.

Publication

VIII International Scientific and Practical Conference on Biotechnology as an Instrument for Plant Biodiversity Conservation (Physiological, Biochemical, Embryological, Genetic and Legal Aspects)

Authors

A.V. Shlyavas, A.A. Trifonova, L.V. Dedova, K.V. Boris, A.M. Kudryavtsev

Keywords

Malus domestica, landraces, genetic resources, resistance genes, NBS-profiling

Full text

https://doi.org/10.17660/ActaHortic.2021.1324.50

Groups involved

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