HORTICULTURE

Detailed explanation-1: -Plants grow towards or away from the light, the type of tropism in the response to light is called phototropism. Sunflower grow in accordance to sun is an example of positive phototropism.

Detailed explanation-2: -Phototropism Examples Sunflower is a highly phototropic plant. They grow towards the sun and are also seen tracking the movement of the sun throughout the day.

Detailed explanation-3: -Heliotropism, or solar tracking, is when a plant follows the movement of the sun during the day.

Detailed explanation-4: -HOW DOES IT WORK? Phototropic flowers, like human eyes, use sensitive photoreceptors to pick up on the sun’s changing intensity. Plants also have a hormone called auxin, which will be released into the cells on a plant’s shady side, stimulating it to extend toward the strongest source of light.