What process if responsible for plants growing towards the light

his type of light-oriented growth is called phototropism," explains Prof. Claus Schwechheimer from the Chair of Plant Systems Biology at the Technische Universität München (TUM). The substance responsible for cell elongation is auxin

The plant hormone auxin is responsible for a plant's ability to grow towards the light. Plants have developed a number of strategies to capture the maximum amount of sunlight through their leaves