APP A plant hormone,lipid in nature,synthesized in wilting leaves. It counteracts the effects of most other plant hormones by inhibiting cell growth and division,seed germination,and budding. It induces dormancy.一种天然的脂类植物激素,在树叶衰老过程中合成,可以通过抑制细胞生长......（本文共 255 字） [阅读本文] >>