Level | Fi | Class |
---|---|---|
1 | Fi ≥ \( \overline{F_i} \) +  1.64SD | Highly drought tolerant |
2 | \( \overline{F_i} \)+  1.64SD > Fi ≥ \( \overline{F_i} \) + SD | Drought tolerant |
3 | \( \overline{F_i} \)+ SD > Fi ≥ \( \overline{F_i} \)- SD, | Moderate drought tolerant |
4 | \( \overline{F_i} \)- SD > Fi ≥ \( \overline{F_i} \)- 1.64SD | Susceptible |
5 | Fi < \( \overline{F_i} \)- 1.64SD | Highly susceptible |