Abstract
Objective: In the article experimental data of sweet cherry genotypes leaf apparatus studying according to biochemical characteristics (chlorogenic and ascorbic acids quantitative content) are given and the breed characteristics of the parameters under study are identified. Methods: Thirteen sweet cherry genotypes from the collector plantations of Federal State Budgetary Scientific Institution “All-Russian Horticultural Institute for Breeding, Agro technology and Nursery”, Russia, Moscow with different resistance to Coccomyces blight were studied. For the research fully shaped leaves from the middle part of one-year whips were taken. The quantity of chlorogenic and ascorbic acids was determined via highly efficiency liquid chromatography method. Results: The experimental data of sweet cherry genotypes leaf apparatus studying according to biochemical characteristics (chlorogenic and ascorbic acids quantitative content) are given and the breed characteristics of the parameters under study are identified. There is an interconnection (R=0.99) between ascorbic and chlorogenic acids in the sweet cherry leaves resistant to Coccomyces blight. Conclusion: The carried-out analysis is determined that can be used for the development of diagnostic method to identify sweet cherry resistance to environmental biotic factors and for the formation of new approaches to selection process speed-up.
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