3-Indoleacetic acid (IAA) o se ituaiga o laʻau tuputupu ae faʻaosofia ma auiliiliga faʻasolosolo.E mafai ona faʻalauteleina le sela vaevaega, faʻatelevave aʻa fausiaina, faʻateleina fualaʻau faʻatulagaina ma puipuia fualaʻau paʻu.
