Q: What is Viticulture:
A: (from the Latin word for vine) is the science, production, and study of grapes. It deals with the series of events that occur in the vineyard. When the grapes are used for wine making, it is also known as viniculture. It is a branch of the science of horticulture.
Q: What is the best location to grow grapes?
A: wines need a temperate climate and generally flourish between 30 and 50 degrees in the Northern Hemisphere and 30 to 40 degrees in the Southern Hemisphere.
Q: What is the best climate to grow grapes?
Vines are dorment below 50F (10C)
Ripening occours only above 63F (17C)
Vine function diminishes above 75F (24C)
Vine may shut down at temperatures higher than 90F (32C)
Q: What are the characteristics of the nominated wine regions?
Rheingau: produces delicate, light but intensely flavorful wines, based on Riesling
Bordeaux: has a range of full whites, fine Cabernet and Merlot-based reds and dessert wine
Provence: boasts robust but flavorful reds, and some roses
Riverland: produces some good wines, but concentrates on bulk wines (source global encyclopedia of wines)