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vent (F)
vento (I)
viento (ES)
vento (PO)

One of the many factors of weather or in the long-term weather pattern of the climate, Strong air movements can have both positive and negative effects in the vineyards. Hot, dry winds such as those in Australia or the Scirocco that blows from the Sahara towards the Mediterranean and reaches southern European wine-growing regions can be dangerous. Cold winds in valleys are also feared, such as the notorious Mistral on the south Rhone, At high loads, vines can also experience wind stress, which is reflected in lower yields and impaired growth in the shoots, Foliage and grapes. To protect against the wind, the stomata in the vines are opened Scroll closed what a restricted photosynthesis with later ripening of the grapes.

Wind - wind and storm (cyclone)

Due to the lower wind strength, the humidity better preserved between the vines, which can be particularly important in dry areas. Harmful effects are caused by plant covers (Protective pants) made of plastic or windbreakers (barriers from vegetation or artificial devices) prevented. So-called wind machines (blowers) whirl up the cold ground air and mix it with warmer layers above. This combats the feared radiation frost (frosty nights with no wind), for example in California Napa Valley is common. Moist sea winds can have a positive moderating influence in dry or low-precipitation winegrowing areas such as in areas of Portugal, California and South Australia. See also under frost. drought. thunderstorm. hail and climate,

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