Table 5 The resistance levels based on number ratio of aphids
Resistance level (RL) | Number Ratio of Aphids |
|---|---|
High Resistance (HR) |  < 0.25 |
Moderate Resistance (MR) | 0.26–0.50 |
Resistance (R) | 0.51–0.75 |
Susceptibility (S) | 0.76–1.00 |
Moderate Susceptibility (MS) | 1.01–1.25 |
High Susceptibility (HS) |  > 1.25 |