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Registration Number

0225U003723, (0121U107837) , R & D reports

Title

Research of the formation of grape harvest quality under the influence of weather and climatic conditions in different natural zones of Ukraine under the climate change

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Теоретичне обґрунтування підходів до вирішення проблеми оцінки впливу погодно-кліматичних умов на формування якості врожаю винограду

Head

Liashenko Halyna V., Доктор географічних наук

Registration Date

08-08-2025

Organization

National Research Center "VE Tairov Institute of Viticulture and Enology"

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Previous studies indicate a significant dependence between the quantity and the quality of grape yields (sugar and acidity) in some years and weather and climatic conditions. The established trends of global and regional climate change require immediate studies of the expected variability in the grape harvests quality in some natural zones of Ukraine by 2050. The aim of the project is to study the impact of weather and climatic conditions on the quality of grape harvests in natural zones of Ukraine under climate change by 2050. The research will be aimed at establishing agroclimatic indicators, that determine the formation of grape harvest quality, their dynamics and trends under climate change in different natural zones of Ukraine, and dynamics and trends of grape harvest quality until 2050.

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 The report on the research project F03 is presented on 40 pages, contains 4 tables, 8 figures, 59 literary sources. GRAPES, VARIETIES, HARVEST QUALITY, MODELS, SYSTEMATIZATION, SUGAR, TITRATABLE ACID, RESOURCES, LIGHT, HEAT, MOISTURE, METHODOLOGY. The object of the study is the quality of technical grape varieties (sugar content and concentration of titratable acid) under different weather and climatic conditions. The purpose of the work is to develop a methodology for analyzing the influence of weather and climatic conditions on the quality of the grape harvest using the example of three technical varieties of different terms of maturity based on the systematization of common models and substantiation of indicators of weather and climatic conditions. Research methods are analytical, field, laboratory, methods of mathematical statistics. The task included conducting a bibliographic search for common studies of the influence of weather and climatic conditions on the formation of grape harvest quality and systematizing models of grape harvest quality formation according to weather and climatic conditions. Based on the conducted studies, it was proposed to assess the influence of weather and climatic conditions on the formation of grape harvest quality, primarily indicators of light, heat and moisture resources, which differ in daily rhythm. The main indicators of light, heat and moisture resources include the duration of sunlight (SS), the sum of total (Q) and photosynthetically active radiation (ΣQф), the sum of average daily (ΣTc), daytime (ΣTdn) and nighttime (ΣTn) air temperatures, the difference between the sums of daytime and nighttime temperatures (Δ(ΣTdn-ΣTn)), the amount of precipitation (O), the sum of air saturation deficits with water vapor (Σd), soil moisture reserves at the beginning (Wп) and end (Wк) of the period, potential (Eo) and actual (E) moisture consumption and moisture availability (V).

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Buzovska Maryna B.
Bulaieva Yuliia Yu.
Vozniuk Nadiia V.
Liashenko Halyna V.
Melnyk Ella B.
Popova Hanna K.
Suzdalova Vira I

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2025-08-08