Jasmonic acid, yomwe imachokera ku mafuta acids, ndi hormone ya zomera yomwe imapezeka muzomera zonse zapamwamba.Zimapezeka kwambiri m'magulu ndi ziwalo monga maluwa, zimayambira, masamba, ndi mizu, ndipo zimagwira ntchito yofunika kwambiri pakukula ndi kukula kwa zomera.Zili ndi zotsatira za thupi monga kulepheretsa kukula kwa zomera, kumera, kulimbikitsa ukalamba, ndi kukulitsa kukana.