Gibberellic acid (GA3) e mafai ona faʻaleleia le faʻatupuina o fatu, tuputupu aʻe laau, ma vave fuga ma fua. E faʻaaogaina lautele i le tele o meaʻai, ma e sili atu ona faʻaaogaina i fualaau faisua. E i ai se aafiaga faʻalauiloa taua i le gaosiga ma le lelei o fualaʻau ma fualaau faisua.