人们所揭示的植物生长发育过程,几乎无一不受植物激素支配,可以说:“没有植物激素,就没有植物的生长”。植物激素是植物体内产生的生理活性物质,也称“内源激素”。它在极低浓度下(低于1微克分子)就可对植物的生长发育产生显著影响。它产生于植物的一定部位, People reveal that plant growth and development process, almost all dominated by plant hormones, can be said: “Without plant hormones, there is no plant growth.” Plant hormones are physiologically active substances produced in plants, also known as “endogenous hormones.” Its very low concentration (less than 1 micromolar) can have a significant impact on the growth and development of plants. It is produced in a certain part of the plant,