Lecture 6 - In the Vineyard (Grape #4).docx - Lecture 6: In...

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Lecture 6: In the Vineyard (Grape #4) Think of “the dog of the plant world”oOnly evolved into its great diversity and worldwide diffusion due to human co-habitation and co-evolution just like dogs did Dogs have thousands of subspecies came from wolf Nice wolves that hung around campfires were selected to guard themo“total wine package” or “perfect package”Global and pretty much everywhere oAntarctica someone will try it eventually High quality wine production ooBased on latitude and distributionAll high quality wine comes from mid-latitude Most of us live hereMost wine grapes are produced and more higher quality oLatitude is from equator to the poles o23.5 degrees north and south of the equator is called the topics Near or on the equator, temperatures don’t fluctuate as much There are no seasons 70/75 degrees average oPolar attitudes are around 60 degrees north and south of the equator Extreme north and south No body lives here because it is too coldTwo seasons cold and not so cold 30-50 degrees north and south of the equator great wine production oStill holds true for grape production: table grapes and raisins oHolds very well in this climate
Vitus Vinifera is a mid-latitude plant oThis is where is first started and continues to grow today oDistinct 4 season variation oPlant needs to have a dormant season where it sleepsoEvolved and mutated in this latitude It could grow in the topics, but would be too stressedoRegularly cycled to produce fruit once a year oIt won’t product quality wine when grown in the tropics If you go too far north, the plant won’t survive All grape plants are perennials o

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Term
Spring
Professor
BOYER
Tags
Grape, Vitis vinifera, Dogs

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