medium no. 39: Murashige and Skoog medium, 0.2 mg/L 2,4-dichlorophenoxyacetic acid, 2 mg/L 1-naphthaleneacetic acid, 0.2 mg/L zeatin, pH 5.8
Plant cell lines
Chemicals and stock solutions
(All stock solutions are stored at 4°C)
- MS salt mix - Murashige and Skoog Plant Salt Mixture, FUJIFILM Wako Pure Chemical Corporation (#392-00591) 
- Sucrose 
- MS_VT - Chemical - Concentration (mg/mL) - Nicotinic acid - 0.5 - Pyridoxine·HCl - 0.5 - Thiamine·HCl - 0.1 - Glycine - 2 
- MS_inositol - Chemical - Concentration (mg/mL) - myo-Inositol - 40 
- 2,4-D (0.2 mg/mL) - Chemical - Concentration (mg/mL) - 2,4-D sodium monohydrate - 0.236 - (2,4-Dichlorophenoxy)acetic acid sodium salt monohydrate, Sigma-Aldrich (D6679) 
- NAA (1 mg/mL) - Chemical - Concentration (mg/mL) - NAA·K - 1.2 - Potassium 1-naphthylacetate, FUJIFILM Wako Pure Chemical Corporation (#161-04021) 
- Zeatin (1 mg/mL) - Chemical - Concentration (mg/mL) - trans-Zeatin - 1 - Dissolve trans-zeatin in small volume of KOH (1 N), and fill up with distilled water 
- KOH (1 N) 
Medium preparation
- Dissolve the following chemicals in approximately 800 mL of distilled water. - Chemical - Amount - MS salt mix - 1 bag (1 L) - Sucrose - 30 g 
- Add following stock solutions, and fill up to approximately 950 mL with distilled water. - Stock solution - Volume (mL) - MS_VT - 1 - MS_inositol - 2.5 - 2,4-D (0.2 mg/mL) - 1 - NAA (1 mg/mL) - 2 - Zeatin (1 mg/mL) - 0.2 
- Adjust the pH of the solution to 5.8 with KOH (1 N), and fill up to 1 L with distilled water. 
- Autoclave the medium at 121°C for 20 min. 
Formulation
Chemical
Concentration (mg/L)
KNO3
1900
NH4NO3
1650
CaCl2·2H2O
440
MgSO4·7H2O
370
KH2PO4
170
H3BO3
6.2
MnSO4·4H2O
22.3
ZnSO4·7H2O
8.6
KI
0.83
Na2MoO4·2H2O
0.25
CuSO4·5H2O
0.025
CoCl2·6H2O
0.025
FeSO4·7H2O
27.8
Na2-EDTA
37.3
Nicotinic acid
0.5
Pyridoxine·HCl
0.5
Thiamine·HCl
0.1
Glycine
2
myo-Inositol
100
Sucrose
30000
2,4-D sodium monohydrate
0.236
NAA·K
2.4
trans-Zeatin
0.2