Relating harvest timing to growing degree accumulation in grapes

Read, Paul E.; Loseke, B.A.; Gamet, S.J.

doi:10.17660/actahortic.2020.1274.13

Cited by 2 publications

(1 citation statement)

References 7 publications

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“…3 of Spinoni et al (2015) in which the authors emphasized its usefulness in estimating grape production as well as indicating the potential new locations with preferable climate in the forthcoming decades. Moreover, in the management of vineyards, GDD plays an important role in assessing the level of grape maturity, expected wine quality and the timing for harvest (Read et al, 2020) as it well correlates temperature with the plant metabolic processes at different stages of growth such from bud dormancy, flowering, veraison to the harvest (Lombard et al, 2013). Thus, the promising increase in skills from May onwards described above gives more confidence in making a variety of decisions (Lombard et al, 2013) such as estimating the schedules of maturations for the cultivars grown depending on the commercial targets of winemaking as well as planning the labor hirings for the subsequent harvest months especially for the enterprises relying more on part-time labor (Hickey, 2020).…”

Section: Growing Season Temperature (Gst) and Growing Degree Days (Gdd)mentioning

confidence: 99%

Advanced seasonal predictions for vine management based on bioclimatic indicators tailored to the wine sector

et al. 2023

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Section: Growing Season Temperature (Gst) and Growing Degree Days (Gdd)mentioning

confidence: 99%

Advanced seasonal predictions for vine management based on bioclimatic indicators tailored to the wine sector

et al. 2023

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Introduced resistant grape variety Frontenac Blanc

Krasokhina,

Matveeva

2023

Sadovodstvo i vinogradarstvo

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Th e paper presents a variety trial and technological evaluation of the wine material from Frontenac Blanc grape, isolated as a color mutation in Canada plantations of the Frontenac Gris variety in 2006. Th e study was carried out in 2020–2022 in compliance with vitiviniculture recognized methodology in soil and climatic conditions of Potapenko All-Russian Research Institute of Viticulture and Winemaking, a branch of Federal Rostov Agrarian Scientifi c Centre, Novocherkassk, Rostov Oblast, Russia. Vineyards are open-earth, rainfed, graft ed, with Kober 5BB rootstock, 3.0×1.5 m planting scheme, shaping: double-shouldered low (40 cm) horizontal cordon, short pruning on knots. Agricultural technology is standard, generally recognized. Frontenac Blanc is found to obtain high winter hardiness, promising for open-earth cultivation. Th e variety has good resistance to infections: to mildew (2.0 score), oidium (2.5 score); grey rot has not been observed. Th erefore, frequent use of pesticides is not required and vineyard maintenance is simplifi ed. Th e high level of sugars (248 g/dm3) and t itratable acids (10.4 g/dm3) in t h e juice ensures a harmonious wine with well-balanced acidity. Due to such characteristics, the variety is considered to be promising for the production of diff erent wine styles, including dry still, semi-dry, as well as sparkling and liqueur wines. Th e wine material from Frontenac Blanc presents a distinguishing character, bright fruit aromas, rich structured fl avor, and lingering fi nish. Th e average tasting score of the wine material comprises 8.6 points (on a 1–10 scale). Th e variety has a high yield (16 tonnes/ha), which does not adversely aff ect the quality of products. Frontenac Blanc is resistant to cold and early ripening period (120 days) and can be eff ectively grown in regions with previously limited production due to extreme climatic conditions. Considering that, an innovative development of the wine industry in areas with cool and uncertain climate possesses a high potential.

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Relating harvest timing to growing degree accumulation in grapes

Cited by 2 publications

References 7 publications

Advanced seasonal predictions for vine management based on bioclimatic indicators tailored to the wine sector

Advanced seasonal predictions for vine management based on bioclimatic indicators tailored to the wine sector

Introduced resistant grape variety Frontenac Blanc

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