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The largest wine encyclopedia in the world

22.937 Keywords • 48.195 Synonyms • 5.304 Translations • 28.244 Pronunciations

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leaf blade

Designation for the leaf surface; see below leaf,

Leaves are the energy plants of green plants and, along with the roots, the most important nutritional organs. At the Rebstock they form like that eyes (Summer and winter eyes), tendrils and inflorescences (Notes or later grapes) as a lateral outgrowth on the Nodien (Knot) young growing shoots, As the shoot tip grows in length, new leaves continuously branch off, which develop according to a species and variety-specific blueprint. With the help of leaf pigments like chlorophylls. carotenoids and flavonoids the light energy of the sun is absorbed by the leaves and during the photosynthesis under the use of carbon dioxide and water in high energy glucose (Dextrose) and oxygen converted. The necessary carbon dioxide is from the air through the stomata (Stomata) mostly recorded on the underside of the leaf. The oxygen produced during the day escapes through these small stomata.

Due to the lack of water vapor saturation in the air, every plant cell constantly loses water, which evaporates to the outside into the air. This complex process is called evapotranspiration designated. The constant loss is compensated for by the...

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