Culture temperature 24-28 ?, light time 16h, explant light side towards up, the proporationable hormone concentration with MS+2.0mg/lBA+4.5mg/lAgNO3 were the optimum conditions, under which shoot regeneration frequency could reach 92%.

• BA是西瓜子叶再分化必需的物质，AgNO_3有效提高芽分化率，两激素浓度的最佳配比为MS+2.；0mg/lBA+4