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Table 15 Class and level to drought resistance of soybean genotypes according to the \( \overline{F_i} \) and SD of MFVD

From: Screening diverse soybean genotypes for drought tolerance by membership function value based on multiple traits and drought-tolerant coefficient of yield

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