Positive Response of Hyoscyamus pusillus Callus Cultures to Exogenous Melatonin on Biochemical Traits and Secondary Metabolites under Drought Conditions
Table 1
The morphological traits, fresh weight (FW), and dry weight (DW) in H. pusillus calli cultures treated with melatonin concentrations and PEG levels after 28 days.
Treatments
Callus color
FW (g)
DW (g)
PEG 0% + melatonin 0 mg l−1
Greenish white
5.457 ± 0.121e
0.377 ± 0.025d
PEG 0% + melatonin 0.5 mg l−1
Green
6.051 ± 0.080f
0.431 ± 0.006e
PEG 0% + melatonin 1.0 mg l−1
Green
7.115 ± 0.343i
0.502 ± 0.012fi
PEG 0% + melatonin 1.5 mg l−1
Greenish brown
6.698 ± 0.218g
0.515 ± 0.007i
PEG 0% + melatonin 2.0 mg l−1
Brown
6.707 ± 0.275gh
0.492 ± 0.009f
PEG 4% + melatonin 0 mg l−1
Dark brown
2.522 ± 0.181a
0.180 ± 0.013a
PEG 4% + melatonin 0.5 mg l−1
Reddish brown
3.575 ± 0.189ab
0.259 ± 0.017b
PEG 4% + melatonin 1.0 mg l−1
Brown
3.758 ± 0.116b
0.266 ± 0.006b
PEG 4% + melatonin 1.5 mg l−1
Light brown
4.044 ± 0.140c
0.309 ± 0.010c
PEG 4% + melatonin 2.0 mg l−1
Brownish white
4.460 ± 0.306d
0.312 ± 0.023c
Data show the mean values ± standard errors of triplicates. Different alphabets indicate significant statistical differences between the mean values based on Duncan’s test at .