HORTICULTURE

Detailed explanation-1: -An example of thigmotropism is the coiling movement of tendrils in the direction of an object that it touches. On the other hand, the folding movement of the Mimosa pudica leaflets, can be considered as an example of thigmonastism.

Detailed explanation-2: -Examples of positive thigmotropism are the growth of ivy on walls upon contact to walls and the coiling of tendrils or twiners upon contact to objects for support. An example of negative thigmotropism is the growth of roots underneath the soil.

Detailed explanation-3: -Negative thigmotropism is when the plant moves away from a contact stimulus. An example of this occurs when a plant’s roots grow around an obstacle.

Detailed explanation-4: -Thigmotropism can be defined as the movement of a plant part in response to touch. It can also be defined as the curvature movement of plant parts like tendrils in response to the stimulus of contact or friction with some other object.