|
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
|
- 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
