What two factors affect grapes ripening?

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BlackTom AI · Accepted Answer

To tackle the question, I’ll evaluate what drives grape ripening and then assess each option in turn.
Option a: heat and water. While warmth is important for ripening, water availability is not a primary factor for the biochemical ripening process; grapes depend more on light-driven photosynthesis and heat accumulation than on water alone to determine ripening timing. Excess water can influence vine vigor, but it is not a direct ripening factor.
Option b: water and soil. Water and soil conditions affect vine health and growth, but they are not the two main factors that determine the ripening stage of grapes. Ripening is more closely tied to energy input from light and ambient temperature than to soil per se.
Option c: sunlight and soil. Sunlight is indeed critical for photosynthesis and sugar production during ripening, but soil’s role is indirect rather than being one of the two primary ripening drivers. The question focuses on the principal factors that trigger ripening timing and rate, which are more about light and warmth.
Option d: sunlight and heat. Sunlight provides the energy for photosynthesis, leading to sugar accumulation in grape berries, while heat (ambient temperature) accelerates or modulates the ripening process. Together, these constitute the primary environmental drivers of grape ripening, aligning with viticultural understanding.

25_2 FB148 Bar & Beverage Management

What two factors affect grapes ripening?

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