Apple varieties from Kazakhstan and their relation to foreign cultivars assessed with RosBREED 10K SNP array

Gritsenko, Dilyara; Pozharskiy, Alexandr; Dolgikh, Svetlana; Aubakirova, Karlygash Pazilhakovna; Kenzhebekova, R.; Galiakparov, Nurbol; Karimov, N; Sadykov, S. S.

doi:10.17660/ejhs.2022/006

Europ.J.Hortic.Sci.

2022

DOI: 10.17660/ejhs.2022/006

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Apple varieties from Kazakhstan and their relation to foreign cultivars assessed with RosBREED 10K SNP array

Dilyara Gritsenko¹,

Alexandr Pozharskiy²,

Svetlana Dolgikh³

et al.

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Cited by 3 publications

References 17 publications

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Threat status of in situ genetic resources of Malus sieversii in Kazakhstan

Soltanbekov,

Dzhumanova,

Dolgikh

et al. 2024

Acta Hortic.

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Threat status of in situ genetic resources of Malus sieversii in Kazakhstan

Soltanbekov,

Dzhumanova,

Dolgikh

et al. 2024

Acta Hortic.

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Identifying Fire Blight-Resistant Malus sieversii Rootstocks Grafted with Cultivar ‘Aport’ Using Monitoring Data

Taskuzhina,

Pozharskiy,

Jumanova

et al. 2024

Horticulturae

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In the present study, the most valuable cultivar ‘Aport krovavo-krasnyy’ was grafted onto M. sieversii genotypes harvested from 11 populations in Dzungarian Alatau and Ile Alatau to identify ones resistant to Erwinia amylovora. The wild apple populations included in the present research have not been previously explored. Seedling population 10, developed using rootstocks from a M. sieversii population growing in Turgen, demonstrated the highest resistance to Erwinia amylovora, showing no fire blight symptoms and no positive PCR results for E. amylovora during the eight years of monitoring in the Talgar field (Kazakhstan) from 2015 to 2022. The population from Steep Tract (seedling population 1) was also valuable for breeding and reduced the pathogen distribution to below 30%. Genotypes from a genetic reserve (seedling population 5) were the most susceptible among the researched populations, with a disease distribution level of 24–95%. In seedling population 5, trees affected at least twice by the pathogen exhibited wilting, shepherd’s crook formation, leaf necrosis, and occasional exudate droplets, while trees in other combinations primarily showed shoot wilting and leaf death. Fire blight disease also developed more rapidly within the plant in seedling population 5; by 2020, one tree nearly died after only two infections.

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Using High-Density SNP Array to Investigate Genetic Relationships and Structure of Apple Germplasm in Bosnia and Herzegovina

et al. 2023

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Apple accessions, currently maintained within the two main ex situ collections in Bosnia and Herzegovina (B&H), have previously been genotyped using microsatellite markers. The obtained molecular data provided insight into mislabeled accessions and redundancies, as well as the overall genetic structure of the germplasm. The available dataset enabled the creation of a core collection consisting of 52 accessions. The reliability and usefulness of microsatellites has made this low-density marker system a norm in studies on apple germplasm. However, the increased access to medium- and high-density SNP arrays, developed specifically for apples, has opened new avenues of research into apple genetic resources. In this study, 45 apple genotypes consisting of 33 diploid core collection accessions from B&H and 12 international reference cultivars were genotyped using an Axiom® Apple 480 K SNP array in order to examine their genetic relationships, population structure and diversity, as well as to compare the obtained results with those calculated on previously reported SSR profiles. The SNPs displayed a better ability to differentiate apple accessions based on their origin, as well as to cluster them according to their pedigree. Calculating identity by descent revealed 16 pairings with first-degree relationships and uncovered the introgression of ‘Delicious’ and ‘Golden Delicious’ into the core collection.

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Apple varieties from Kazakhstan and their relation to foreign cultivars assessed with RosBREED 10K SNP array

Cited by 3 publications

References 17 publications

Threat status of in situ genetic resources of Malus sieversii in Kazakhstan

Threat status of in situ genetic resources of Malus sieversii in Kazakhstan

Identifying Fire Blight-Resistant Malus sieversii Rootstocks Grafted with Cultivar ‘Aport’ Using Monitoring Data

Using High-Density SNP Array to Investigate Genetic Relationships and Structure of Apple Germplasm in Bosnia and Herzegovina

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