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  2. Ripeness in viticulture - Wikipedia

    en.wikipedia.org/wiki/Ripeness_in_viticulture

    Grapes ripening on the vine. In viticulture, ripeness is the completion of the ripening process of wine grapes on the vine which signals the beginning of harvest.What exactly constitutes ripeness will vary depending on what style of wine is being produced (sparkling, still, fortified, rosé, dessert wine, etc.) and what the winemaker and viticulturist personally believe constitutes ripeness.

  3. Annual growth cycle of grapevines - Wikipedia

    en.wikipedia.org/wiki/Annual_growth_cycle_of...

    The bud of a Regent vine located between the stem and petiole.. The grape starts its annual growth cycle in the spring with bud break. In the Northern Hemisphere, this stage begins around March while in the Southern Hemisphere it begins around September when daily temperatures begin to surpass 10 °C (50 °F).

  4. BBCH-scale (grape) - Wikipedia

    en.wikipedia.org/wiki/BBCH-scale_(grape)

    8: Ripening of berries 81: Beginning of ripening: berries begin to develop variety-specific colour 83: Berries developing colour 85: Softening of berries 89: Berries ripe for harvest 9: Senescence 91: After harvest; end of wood maturation 92: Beginning of leaf discolouration 93: Beginning of leaf-fall 95: 50% of leaves fallen 97: End of leaf ...

  5. Winkler index - Wikipedia

    en.wikipedia.org/wiki/Winkler_index

    General ripening capability and wine style Region Ia 1500–2000 850–1111 Only very early ripening varieties achieve high quality, mostly hybrid grape varieties and some V. vinifera. Region Ib 2001–2500 1111–1389 Only early ripening varieties achieve high quality, some hybrid grape varieties but mostly V. vinifera. Region II 2501–3000

  6. Veraison - Wikipedia

    en.wikipedia.org/wiki/Veraison

    In viticulture, veraison (French: véraison, IPA: [veʁɛzɔ̃]) [1] is the onset of the ripening of the grapes. The official definition of veraison is "change of color of the grape berries". [2] Veraison represents the transition from berry growth to berry ripening, and many changes in berry development occur at veraison.

  7. File:Wine grape diagram en.svg - Wikipedia

    en.wikipedia.org/wiki/File:Wine_grape_diagram_en.svg

    for some reason I made the grapes transparent again during the last correction: 23:42, 9 November 2009: 678 × 585 (341 KB) Franklin.vp: little more space on the left: 01:32, 8 November 2009: 678 × 585 (238 KB) Franklin.vp: The fruit in the background was transparent. This could be a problem for using the image in different contests. 15:48, 27 ...

  8. If You Love Italian Reds, Meet Your New Favorite Wine Region

    www.aol.com/love-italian-reds-meet-favorite...

    The grapes for their first vintage 2020 Frasca Nizza ($32) were grown in estate’s sustainably farmed, hill-top vineyard La Guaragna, producing a brilliantly red, medium-bodied Barbera with plum ...

  9. Sugars in wine - Wikipedia

    en.wikipedia.org/wiki/Sugars_in_wine

    At the beginning of the ripening stage there is usually more glucose than fructose present in the grape (as much as five times more) but the rapid development of fructose shifts the ratio to where at harvest there are generally equal amounts. Grapes that are overripe, such as some late harvest wines, may have more fructose than glucose. During ...