verbindings deur plante geproduseer en wat, in lae konsentrasies, fisiologiese plantprosse reguleer. Hulle word vervoer vanaf die plek van produsie na die plek van aksie.
English: hormonenoun
Subject: Botany
compounds produced by plants that, in low concentrations, regulate physiological plant processes. They are transported from one site of production to a site of action.