Ethylene is an important plant hormoneregulating many aspects of plant growth and development, especially ripening of fruits.
乙烯是一种植物激素。在植物生长发育许多方面起着调节作用，特别是促进果实成熟衰老。
2
With functions of adsorption, ion exchange and chelation, it is natural growth-regulatinghormone of green plants to promote the nutrition absorption of plants.
是绿色植物的天然生长调节激素， 促进植物对养份的吸收。
3
Insulin is an important hormone for regulating the cell metabolism and growth.