What is the relationship between auxin hormone and light

Its relationship to plant growth. The hormone auksin will affect the acceleration of plant growth. If plants exposed to sunlight auksin hormone inhibited growth so that the growth of plants is also hampered. So the function of auxin is to regulate in plant growth by following the rhythm of the light shift of morning-noon and dark night.
Hubungannya dengan pertumbuhan tanaman. Hormon auksin akan berpengaruh pada percepatan tumbuh tanaman. Kalau tanaman terkena sinar matahari hormon auksin terhambat pertumbuhannya sehingga pertumbuhan tanaman juga terhambat. Jadi fungsi auksin adalah untuk pengaturan dalam pertumbuhan tanaman dengan mengikuti irama pergantian cahaya sinar pagi-siang dan gelap malam.