Chemotropism: This tropic movement is shown by the pollen tubes that bend and grow through the style. This is due to the chemicals that are present in the style and stimulate the pollen tube to grow downwards. Many fungi show chemotropism by growing towards food containing sugars and other nutrients.

Growth toward chamical or by chamical
chemotropism The growth or movement of a plant or plant part in response to a chemical stimulus. An example is the growth of a pollen tube down the style during fertilization in response to the presence of sugars in the style. “chemotropism.”

The growth of plant in response to a chemical stimulus is called chemotropic movement and the phenomenon involved is called chemotropism.??