The function of this hormone Auxin is helpful in the process of accelerating growth, be it the growth of roots or stem growth, accelerate germination, helping in the process of cell division, speeding up the ripening fruit, reducing the number of seeds in the fruit. This Auxin hormones work synergistically with hormones sitokinin hormones and challenged. Vegetation on one side is illuminated by the Sun then its growth will slow because the work is impeded by the Sun but the Auxin side tum