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Differentiate between Thigmotropism and geotropism

Chemical Coordination in Plants

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ThigmotropismGeotropism
Directional growth movement of a plant part in response to the touch of an object.Directional growth movement of a plant part in response to gravity.
Example — Plants such as sweet peas, Cuscuta and vines have tendrils which coil around other plants in response to one sided contact or touch.Example — Growth of roots of plants in downward direction.

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