| Kind | Value | annotation | ||
| enumeration | 0_No attack | |||
| enumeration | 1_Not more than 4 of plants affected | |||
| enumeration | 2_Up to 10 of plants affected | |||
| enumeration | 3_Up to 20 of plants affected | |||
| enumeration | 4_Up to 30 of plants affected | |||
| enumeration | 5_Up to 50 of plants affected | |||
| enumeration | 6_Up to 70 of plants affected | |||
| enumeration | 7_Up to 80 of plants affected | |||
| enumeration | 8_Between 80 and 100 of plants affected - unproductive | |||
| enumeration | 9_Up to 80 of plants dead or severely affected |