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.一種天然的脂類植物激素,在樹葉衰老過程中合成,可以通過抑制細(xì)胞生長......（本文共 255 字）     [閱讀本文] >>