在脫落過程中生長素與脫落酸有拮抗作用。It is antagonistic abscisic acid in abscission.生長素主要是從旺盛生長新梢上正在發(fā)育的幼葉產(chǎn)生出來.Auxins are produced mainly by young developing leaves on actively growing shoots.當(dāng)一植物對不平衡地施用生長素起反應(yīng)時, 總是產(chǎn)生乙烯.Whenever a plant res...