Grades | Effect on the weeds | Effect on the crop |
2 | Very high control | Very light symptoms |
3 | Good control | Light symptoms |
4 | Sufficient control | Yields are not affected |
Acceptability limits | ||
5 | Medium control | Medium damage |
6 | Regular | High damage |
7 | Poor | Very high damage |
8 | Very poor | Severe damage |
9 | No effect on weeds | Total damage until die |
Grades | Weed control (%) | Phytotoxicity on crop |
1 | 99.0 - 100.0 | 0.0 - 1.0 |
2 | 96.5 - 99.0 | 1.0 - 3.5 |
3 | 93.0 - 96.5 | 3.5 - 7.0 |
4 | 87.5 - 93.0 | 7.0 - 12.5 |
5 | 80.0 - 87.5 | 12.5 - 20.0 |
6 | 70.0 - 80.0 | 20.0 - 30.0 |
7 | 50.0 - 70.0 | 30.0 - 50.0 |
8 | 1.0 - 50.0 | 50.0 - 99.0 |
9 | 0.0 - 1.0 | 99.0 - 100.0 |