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Apical Dominance

Term for the growth dominance or predominance of the shoot tips (apical = located at the tip, concerning the tip of an organ). The growth of the side shoots is suppressed by this. This phenomenon is controlled by the plant hormone auxin. This ensures that the uppermost eyes and shoots are preferably supplied with nutrients. The tendency of the vine to grow upwards results from the plant's desire to be optimally supplied with light. The wild vines always grow upwards, while the base gradually balks. This typical growth pattern is called acrotonic growth pattern (akron = tip). If the uppermost part of the shoots is removed, as is usually the case with shoot tip cutting, the apical dominance is broken. See also under form of growth.

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