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Table 1 Effect of melatonin on root characteristics, biomass, and relative water content (RWC %) of maize seedling under drought stress condition

From: Ameliorative effect of melatonin improves drought tolerance by regulating growth, photosynthetic traits and leaf ultrastructure of maize seedlings

Treatments Root Fresh Weight (g) Root Dry Weight (g) Root Diameter (mm) Root Length (cm plant−1) Above Dry Matter (g plant−1) Root/Shoot Ratio RWC (%)
CKW 10.21 ± 0.65a 0.96 ± 0.07a 1.66 ± 0.05a 911.01 ± 18.76a 22.61 ± 1.22a 0.043 97.15 ± 2.52a
CKD 7.76 ± 0.23d 0.61 ± 0.03c 1.23 ± 0.03d 662.33 ± 32.51e 14.77 ± 0.65d 0.041 73.96 ± 0.99d
MT1 8.89 ± 0.32c 0.70 ± 0.50c 1.29 ± 0.04d 718.03 ± 21.75d 16.83 ± 0.68c 0.042 80.62 ± 1.48c
MT2 9.62 ± 0.34b 0.89 ± 0.03ab 1.50 ± 0.03b 854.95 ± 27.12b 19.03 ± 0.95b 0.047 89.72 ± 2.61b
MT3 9.07 ± 0.29bc 0.81 ± 0.60b 1.38 ± 0.02c 808.47 ± 15.13c 18.96 ± 0.77b 0.043 86.57 ± 1.32b
  1. Melatonin application as a soil drenching: CKW; indicate Melatonin 0 μM + Control well water, CKD; Melatonin 0 μM + Control drought stress, MT1; Melatonin 50 μM + drought stress, MT2; Melatonin 100 μM + drought stress; MT3; Melatonin 150 μM + drought stress. Data are shown as the mean ± S.D. each treatment replicated three times (n = 3). Different letters indicate a significant difference among the treatments at P ≤ 0.05