| 菌株 Strains tseted | 处理 Handle | 发病率% Incidence | 病情指数 Disease index | 平均防效% Control effecacy |
| CK | I | 96 | 92.71 | − |
| II | 100 | 98.96 | ||
| III | 100 | 97.92 | ||
| Y2 | I | 58.3 | 37.21 | 57.17 |