Lecture 6 - In the Vineyard (Grape #4).docx - Lecture 6 In the Vineyard(Grape#4 Think of \u201cthe dog of the plant world\u201d o Only evolved into its great

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” o Only 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 them o “total wine package” or “perfect package” Global and pretty much everywhere o Antarctica someone will try it eventually High quality wine production o o Based on latitude and distribution All high quality wine comes from mid-latitude Most of us live here Most wine grapes are produced and more higher quality o Latitude is from equator to the poles o 23.5 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 o Polar attitudes are around 60 degrees north and south of the equator Extreme north and south No body lives here because it is too cold Two seasons cold and not so cold 30-50 degrees north and south of the equator great wine production o Still holds true for grape production: table grapes and raisins o Holds very well in this climate
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Vitus Vinifera is a mid-latitude plant o This is where is first started and continues to grow today o Distinct 4 season variation o Plant needs to have a dormant season where it sleeps o Evolved and mutated in this latitude It could grow in the topics, but would be too stressed o Regularly cycled to produce fruit once a year o It 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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  • Spring '12
  • John Boyer
  • Grape, Vitis vinifera,  Dogs

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