Mechanism of Auxin hormone when Sun is over the crop
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when light falls in the one side of a stem then auxin hormones comes in another side because they stay in shade
due to more auxin hormones in another side then the. another side of the stem grow faster and becomes larger then the stem bends towards one side bends right
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EXPLANATION:
Auxin is a ‘plant hormone’ that promotes apical growth, prevents the growth of ‘lateral buds’ and is distributed in the plants in areas away from direct sunlight.
When the sun is over the crops, the phototropins absorb the light which modifies the action of protein in the plant. The auxin moves to the shaded areas of the plant away from the sunlight. This causes the plant to grow in the ‘direction of the shade’ and bend in the ‘direction of light source’.
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