MS+0.4 mg/L BA is considered as the best hormone constitution on root induction of hypocotyls. However,a small quantity of IAA(0.1 mg/L) is added to make cotyledons grow better.

• 下胚轴生根培养基以 MS+0.；3 mg/L IAA 为宜；子叶、真叶则使用 MS+0