Analysis of grapevine phenology in the region of Sremski Karlovci

Ruml, M.; Korac, S Nada; Ivanišević, Marko; Vujadinovic, P Mirjam; Vuković, Jonatan

doi:10.2298/jas1301073r

Cited by 5 publications

(4 citation statements)

References 9 publications

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“…In a detailed analysis of grapevine phenology for the region of Sremski Karlovci (Ruml et al 2013), a greater variation in onset of phenological stage and length of growth periods was found between years for a single cultivar than among cultivars within individual years, suggesting that climatic factors had a stronger influence on phenological dynamics than genetic characteristics of cultivars. However, in climatologically extreme years, the difference in phenological timing among cultivars was considerable.…”

Section: Discussionmentioning

confidence: 99%

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Response of grapevine phenology to recent temperature change and variability in the wine-producing area of Sremski Karlovci, Serbia

et al. 2015

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The historical temperature and phenological data were analysed for the region of Sremski Karlovci, one of the oldest grapevine growing areas in Europe, with the aim of detecting trends of changes in the data, evaluating the sensitivity of grapevine phenology to temperature and revealing diversity among cultivars in their response to observed changes in temperature. The onset dates of four major phenological stages (budburst, flowering, veraison and harvest), along with the corresponding growth intervals between them, were examined for 20 wine grape cultivars. A number of climatically important parameters for viticulture were calculated for the calendar year, growing season and different grapevine growth periods. Significant increases were detected in average and heat-related extreme temperature indices. The greatest rate of change in temperature variables across the growing season was observed during the period from the beginning of flowering to the beginning of veraison and the smallest during the ripening period. Linear trends indicated that all phenological stages, except budburst, have advanced significantly. Averaged across all cultivars, detected trends were -0·4, -0·7 and -0·6 days/year for the beginning of flowering, the beginning of veraison and harvest date, respectively. Observed warming and change in the timing of phenological events did not significantly affect the duration of the growth intervals, which can be explained by significant inter-correlation between the phenological stages' onset. Ripening was occurring under warmer conditions due to earlier flowering and veraison, rather than because of considerably higher temperatures preceding harvest or shortening of the ripening period. Most of the variation in phenology timing (74-90%) can be explained by a linear relationship between the onset date of phenological stage and temperature, with mean and maximum temperatures being more important than minimum temperatures. According to the current results, a 1°C increase in the most influential temperature variable during the most relevant periods for the onset of phenological stages led to an advancement in the beginning of budburst, the beginning of flowering, the beginning of veraison and harvest by 3·6, 3·1, 5·2 and 7·4 days, respectively, on average for all cultivars. Among the cultivars studied, Pinot Noir displayed the greatest phenology advancement in response to increased temperature.

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Section: Discussionmentioning

confidence: 99%

“…Harvest is the most subjective event and cannot be considered a true phenological stage, since it mainly depends upon winery requests and some other constraints such as current weather conditions, disease outbreaks, etc. A detailed phenological analysis of the cultivars studied can be found in Ruml et al (2013).…”

Section: Methodsmentioning

confidence: 99%

Response of grapevine phenology to recent temperature change and variability in the wine-producing area of Sremski Karlovci, Serbia

et al. 2015

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“…One of the most important phenological stages, flowering, has been shifted ten days in the earlier part of the year. In Sremski Karlovci, the beginning of flowering exhibited the least inter-annual variation [13]. The biggest differences were observed for the beginning of veraison.…”

Section: Resultsmentioning

confidence: 91%

“…Phenology of some grapevine cultivars in Serbia has been previously analyzed [13], but cultivar respond to climate conditions was not disscused. Growing cultivars less sensitive to climatic variables offer an adaptation option to climate change.…”

Section: Introductionmentioning

confidence: 99%

Phenological stages of some grapevine cultivars in North Serbia: Historical data and current state

Ivanišević

Kalajdžić

Alesandar³

et al. 2019

BIO Web Conf.

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Phenological stages of many grapevine cultivars appear in earlier parts of the year. However, we do not know how different cultivars are affected by this trend. The aim of this study was to compare the phenological stages of grapevine cultivars recorded in two different periods (1986–1998 and 2013–2018) in North Serbia (Vojvodina). The investigation was carried out on five red (Cabernet sauvignon, Merlot, Pinot noir, Prokupac, Probus) and five white cultivars (Chardonnay, Muscat ottonel, Riesling italico, Smederevka and Petra). The phenological observations included the beginning of budburst, flowering and veraison. The beginning of all phenological stages in all cultivars in the period (2013–2018) occurred in earlier parts of the year, compared to the historical data. Local cultivars (Prokupac, Probus, Smederevka and Petra) showed less shift of the beginning of budburst in respect to the historical data (only six days earlier) compared to the international cultivars. One of the most important phenological stages, flowering, has been shifted ten days in the earlier part of the year. The biggest differences were observed for the beginning of veraison. Now, it occurs earlier from 9 (Petra) to 17 days (Merlot). Duration of the period from budburst to flowering was inconsistent and cultivars required almost the same number of days as it was in the past. However, the duration between flowering and veraison was shorter in the last six years. The biggest difference was observed in Merlot where the period between flowering and veraison has been seven days shortened.

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Phenological models for prediction of veraison and harvest in grapevine

Ruml¹,

Korać²

2020

Acta Hortic.

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Analysis of grapevine phenology in the region of Sremski Karlovci

Cited by 5 publications

References 9 publications

Response of grapevine phenology to recent temperature change and variability in the wine-producing area of Sremski Karlovci, Serbia

Response of grapevine phenology to recent temperature change and variability in the wine-producing area of Sremski Karlovci, Serbia

Phenological stages of some grapevine cultivars in North Serbia: Historical data and current state

Phenological models for prediction of veraison and harvest in grapevine

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