| 卡那霉素溶液浓度(mg·L−1) Concentration of kanamycin | 处理植株数 No.of plants | 处理后第6天叶片黄化程度 The level of yellowing on the 6th day after the treatment | 黄化程度小于3级的百分数 The percentage of yellow level less than level 3 | ||||||
| 0级 level 0 | 1级 level 1 | 2级 level 2 | 3级 level 3 | 4级 level 4 | 5级 level 5 | 6级 level 6 | |||
| 100 | 60 | 0 | 0 | 0 | 13 | 15 | 20 | 12 | 0.00 |
| 75 | 60 | 0 | 0 | 0 | 14 | 13 | 27 | 6 | 0.00 |
| 50 | 60 | 0 | 3 | 11 | 18 | 10 | 13 | 5 | 23.30 |
| 25 | 60 | 7 | 14 | 19 | 9 | 7 | 4 | 0 | 66.70 |
| 0 | 60 | 58 | 2 | 0 | 0 | 0 | 0 | 0 | 100.00 |