The hypocotyls of Cucumis sativus L. showed great capacity of adventitious root formation when they were cultured on Murashige and Skoog(MS)medium supplemented with 0.01 mg/L NAA,and the frequency of adventitious root formation was up to 88%.

• 在 0 .；0 1mg/ L NAA诱导下；离体黄瓜下胚轴切段显示了较强的发根能力；发根率达 88%25以上