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

Table 1 Means value, standard deviation (SD) of traits under well-watered (WW) and water-stressed (WS) regimes and the drought-tolerant coefficient (DC) of each trait at vegetative growth stage

Traits	Mean ± SD (WW)	Mean ± SD (WS)	Mean ± SD (DC)
PH (cm)	45.05 ± 1.78	35.98 ± 1.93	0.80 ± 0.01 ef
LAI	3.11 ± 0.44	1.83 ± 0.13	0.59 ± 0.05 f
SB (g plant⁻¹)	7.06 ± 1.03	4.34 ± 0.25	0.62 ± 0.06 f
RB (g plant⁻¹)	1.89 ± 0.18	1.78 ± 0.04	0.95 ± 0.07 de
R/S	0.28 ± 0.02	0.42 ± 0.01	1.53 ± 0.04 b
TRL (m)	51.15 ± 1.81	44.29 ± 2.37	0.87 ± 0.02 e
RSA (cm²)	969.69 ± 62.85	828.29 ± 61.42	0.86 ± 0.10 e
RV (cm³)	14.69 ± 0.83	13.23 ± 1.10	0.91 ± 0.12 e
RD (mm)	0.55 ± 0.02	0.63 ± 0.04	1.15 ± 0.11 cd
RLR (m/g)	5.91 ± 0.55	7.44 ± 0.15	1.38 ± 0.19 c
RSR (cm²/g)	113.21 ± 8.43	138.67 ± 8.38	1.23 ± 0.05 c
RVR (cm³/g)	1.75 ± 0.35	2.19 ± 0.18	1.29 ± 0.36 bc
RDR (mm/g)	0.06 ± 0.01	0.11 ± 0.01	1.87 ± 0.07 a
RBR	0.21 ± 0.01	0.29 ± 0.01	1.37 ± 0.03 bc

Means followed by the same letter within the third column are not significantly different (p ≤ 0.05) as determined by Duncan’s multiple-range test (n = 3)

ISSN: 1471-2229