Growth inhibitor A substance that slows the growth of a plant, for example the plant hormones ABSCISIC ACID and ETHYLENE (ethane), which act at very low concentrations.

• 生长抑制剂：能够减缓植物生长的物质，例如植物激素脱落酸和乙烯（乙烯）。往往生长抑制剂在非常低的浓度下便可产生作用。