Chapter 5 - The Growing Environment Flashcards
What are the five things a vine needs?
Heat; Sunlight; Water; Nutrients; Carbon Dioxide
What is Veraison?
The change of color in the grape as the fruit ripens
Name six factors affecting heat.
Latitude; Altitude; Ocean currents; Fog; Soil; Aspect
What latitudes do most vines grow in?
Between the latitudes of 30 and 50 degrees north and south of the equator
What is “aspect” in relation to a vine?
The direction in which a slope faces.
What is Continentality?
The temperature difference between the coldest and hottest months.
What is Dirunal range?
The difference between daytime and night-time temperatures.
What are four main types of protection from spring frost?
Heaters; Wind Machines; Sprinklers; Thoughtful vineyard design.
What are the factors that affect sunlight in a vineyard?
Latitude; Seas & Lakes; Aspect; Sunlight hazards
What is the name of the process through which vines access water through its roots and is drawn up to the leaves?
Transpiration
What are the three main irrigation techniques?
Drip irrigation; Sprinklers; Flood irrigation
What is the definition of a region’s climate?
The annual pattern of temperature, sunlight and rainfall averaged out over several years.
What are the temperature ranges for:
1) Cool Climates
2) Moderate Climates
3) Warm Climates
4) Hot Climates
1) 16.5c or below
2) Between 16.5c and 18.5c
3) Between 18.5c and 21c
4) Above 21c
What are some characteristics of Continental Climate?
Have the greatest difference in temperature between the hottest and coldest months (high continentality); and are usually characterized by short summers with a large, rapid temperature drop in autumn. Risk of frost.
What are some characteristics of Maritime Climate?
Cool to moderate temperatures and a low annual difference between the hottest and coldest months (low continentality). Evenly spread rainfall throughout the year;