产苦马豆素疯草内生真菌Alternaria Section Undifilum oxytropis的诱变筛选

郝宝成,宋向东,高艳,王学红,刘宇,李元曦,梁妍,陈柯源,胡毓瑶,邢小勇,胡永浩,梁剑平

Mutagenesis and Screening of Endophytic Fungus Alternaria Section Undifilum oxytropis Producing Swainsonine from Locoweed

BaoCheng HAO,XiangDong SONG,Yan GAO,XueHong WANG,Yu LIU,YuanXi LI,Yan LIANG,KeYuan CHEN,YuYao HU,XiaoYong XING,YongHao HU,JianPing LIANG

表1 紫外辐照对Alternaria Section Undifilum oxytropis菌株的致死率

Table 1 Lethal rate of Alternaria Section Undifilum oxytropis strains exposed to ultraviolet irradiation (n=6)

辐照时间 Ultraviolet irradiation time (s) 辐照后菌株生长数 Number of strains after ultraviolet irradiation 对照组生长数 Number of strains in control group 平均致死率 Average mortality rate（%） 20 12 11 13 10 12 11 13 11.54±8.07 40 6 8 6 7 8 8 12 40.28±8.20 80 2 3 1 1 3 2 12 83.33±7.46 160 1 0 0 1 1 1 13 94.87±3.97 320 0 0 0 0 0 0 11 100.00±0.00 640 0 0 0 0 0 0 13 100.00±0.00