用60Coγ射线对三个红小豆品种干种子(晋红1号、冀红9218、京农6号)进行100、200、300、400、500和600 Gy辐照处理,分析不同剂量对红小豆品种幼苗的辐射效应,结果表明,100、200 Gy处理红小豆干种子的发芽及幼苗性状产生的影响不明显,高剂量能明显抑制幼苗的生长,与对照相比差异均达显著或极显著水平;估算的红小豆平均半致死剂量(LD50)为473.3 Gy,估算的适宜诱变剂量为400–600 Gy。将辐照至350、500、650 Gy的三品种红小豆种子种植于大田,辐照组的豆苗期性状受到抑制,与对照相比差异达显著或极显著水平。出苗率和苗高与剂量呈显著负相关,成熟植株株高减低、主茎节数减少、荚长变短、单株荚数和单荚粒数减少,高剂量处理与对照相比差异显著,剂量越高,抑制作用越明显,影响最大的性状是荚长。三个品种辐射敏感性的由大到小依次为晋红1号、冀红9218、京农6号。 Three red bean varieties of dry seeds (Jinhong 1, Jihong 9218 and Jingnong 6) were irradiated with 60Coγ ray at 100, 200, 300, 400, 500 and 600 Gy, The results showed that the effects of 100,200 Gy treatment on the germination and seedling traits of dried adzuki bean seeds were not obvious. High doses could significantly inhibit the growth of seedlings, and the difference was significant or extremely significant compared with the control. The estimated median lethal dose of Adzuki bean (LD50) was 473.3 Gy, and the estimated suitable mutagenic dose was 400-600 Gy. The three varieties of red adzuki bean seeds irradiated to 350, 500 and 650 Gy were planted in the field. The characters of soybean in the irradiated group were inhibited, and the difference was significant or extremely significant compared with the control. There was a significant negative correlation between the emergence rate and seedling height and the dose. The plant height of mature plants was reduced, the number of main stems was reduced, the length of pods was shortened, the number of pods per plant and the number of single pod grains were decreased. The higher dose, the more obvious inhibition, the most influential trait is pod length. Radiation sensitivity of three varieties in descending order of Jinhong 1, Jihong 9218, Beijing 6.