Flashcards in Growing Environment Deck (8)
What is the optimum range for photosynthesis?
- Due to this wide range, temperature is usually not a limiting factor
Warm temperatures above ____ promote successful, uniform flowering
What is the optimum range for fruit set?
How does temperature affect sugar accumulation in the grapes?
Warm temperatures will help speed up photosynthesis to produce the sugars, and transpiration in the grape will also be higher promoting the movement of sugar into the grape.
What is the problem with flavor development in cooler climates?
Cooler conditions hinder the break down of methoxypyrazines which gives off herbaceous aromas
What is worse for photosynthesis, a cloudy day or fog?
Fog! Thick fog will impact the rate of photosynthesis as long as light levels do not drop below 1/3 of full sunshine
How does sunshine affect tannins in black grape varietals?
Leads to greater accumulation pre-verasion and promotes tannin polymerisation after verasion.