The induced frequencies of wound calluses in naked seed rice were different on the culture media of different concentrations of 2,4 D and KT. It was the highest to 53 3%when 2,4 D was 2 0mg/L and KT was 1 0mg/L.

• 裸粒水稻成熟胚在含不同浓度2,4 -D与激动素的培养基上愈伤组织的诱导率不同 ,2,4-D为2 0mg/L、激动素为1 0mg/L时愈伤组织的诱导率最高 ,达53 3%25。