Thigmomorphogenesis

Some of these, such as thigmomorphogenesis, are quite well defined, but the basis of perception and response is poorly understood although some advances are being made at the molecular level.

This effect, called thigmomorphogenesis (see chap. 3), involves the motion-induced inhibition of growth. Thigmomorphogenesis can be expressed in plant organs either exhibiting or lacking secondary growth, as well as in organs that have indeterminate or determinate growth.

Thigmomorphogenesis was first demonstrated by submitting plants to (artificial) mechanical bending.