激素影响到植物体中代谢物质的运输,因而牵涉到根、茎、叶的生长发育,不定根,不定芽,块根以及花的形成,果实的发育与成熟,芽和种子的衰老与休眠,种子的萌发等等.植物的发育过程都在一定的程度上,受到一种或多种激素的影响,激素与微量元素、维生素一样,常常以微小的数量控制着植物的生长发育. Hormones affect the transport of metabolites in plants and thus involve the growth and development of roots, stems and leaves, the formation of adventitious roots, adventitious buds, roots and flowers, the development and maturation of fruits, the senescence and dormancy of buds and seeds, Germination, etc .. The development of plants are to some extent, by one or more hormones, hormones and trace elements, vitamins, often in small quantities to control the growth and development of plants.