All the softwood cuttings showed similar trend in the variations of the concentration of the 3 hormones studied: IAA,ABA and ZR.

• 结果表明:3种主要激素在不同生根率品种间的变化趋势基本一致。插穗刚脱离母体时,IAA和ABA含量大幅度下降,而ZR略有下降;