The onset of berry ripening is called [选择] bud break véraison dormancy . This is the point during the growing season when berries start to change color (if they are a pigmented grape) and to swell and soften. At this time, the amount of sugar/sweetness level in the berries starts to [选择] increase stabilize/remain constant decrease and the acid/sourness level begins to decrease . 多重下拉选择题