Throughout vegetative cycle of the vine needs sun. From sprouting to ripeness of the fruit. Sunlight
participates in the process of photosynthesis. Little sun affect the progress of this process and therefore entail
decrease in starch production. Requires little little starch sugar which, in turn, results in grapes and wine acids. Beyond
that, in summer, the sun has other functions, related to the establishment of the appearance of the fruit that influence the color, brightness and
indirectly on all other berry sensitive characteristics. Therefore, it is important that in the summer does not occur
many clouds or mists in excess.
The vegetative cycle differs somewhat from species to species of grapes, but is subordinate to the behavior of the climate
region.
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