Increasing resistance to coccomycosis in sweet cherry by applying distant hybridization with cherry species

Author:

Eremina O.V.,Eremin V.G.

Abstract

To reduce the pesticide load in industrial plantings, it is necessary to use pathogen-resistant varieties when establishing orchards. The problem of obtaining stable, large-fruited, adaptive varieties is acute, since there are practically no genotypes in the existing assortment that combine a complex of economically valuable traits with resistance to diseases. The isolation of new resistance genes in wild forms and the creation of genotypes resistant to fungal diseases on their basis is possible through the use of remote hybridization. Interspecific hybrids with sweet cherry were obtained at the Krymsk EBS, VIR Branch, which combine resistance to coccomycosis and increased fruit size. These genotypes are complex sources of traits for further breeding work in obtaining adaptive, large-fruited genotypes. The work carried out proves that the use of interspecific hybridization makes it possible to obtain genomes highly resistant to coccomycosis.

Publisher

EDP Sciences

Subject

General Medicine

Reference15 articles.

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2. Eremin G.V., Gasanova T.A., Eremina O.V., Kovaleva V.V., et al., Development of a methodology for the formation of genetic collections of donors and sources of valuable traits of plants of the genus Prunus L. to accelerate the selection process, Scientific and practical conference of grant holders of the Russian Foundation for Basic Research and the administration of the Krasnodar Territory “Contribution of fundamental scientific research to the development of modern innovative economy of the Krasnodar Territory”: collection of tes. Krasnodar, 85-86 (2009)

3. Eremin G.V., Gasanova T.A., The concept of creation and use in breeding of genetic collections of stone fruit plants, 46 (Krymsk: State Scientific Institution Crimean Experimental Breeding Station of the North Caucasian Zonal Research Institute of Horticulture and Viticulture of the Russian Academy of Agricultural Sciences, 2009)

4. Vitkovsky V.L., Fruit plants of the world, 592 (St. Petersburg: Publishing house “Lan”, 2003)

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