Gibberellic Acid (GA3) ndi njira yokhwima yopewera mbewu, yomwe ingalimbikitse kukula kwa mbewu ndi chitukuko, kukhwima kale, kukonza mtundu ndi zokolola. Itha kuthyola nthawi yayitali kugona kwa ziwalo za mbewu, ma tubers ndi mababu, kulimbikitsa kumera, kuchepetsa kutaya masamba, maluwa, mabelu, ndi zipatso, kukonza kuchuluka kwa zipatso kapena kupanga zipatso zopanda mbewu. Zitha kusinthanso kuchuluka kwa maluwa achimuna ndi achikazi, zimakhudza maluwa nthawi.