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Introduction:
Contains the macro- and micronutrients as described by Vacin and Went (1949) modified with an equivalent iron molar concentration of Ferrous Sulfate in place of ferric tartrate.
V505 Vacin & Went Modified Orchid Basal Salt Mixture
Properties
| Form: | Powder |
| Appearance: | White to Off-white Powder |
| Application: | Orchid Culture |
| Solubility: | Water |
| Typical Working Concentration: | 1.67 g/L |
| Storage Temp: | 2-8° C |
| Storage Temp of Stock Solution: | Preparation of concentrated solutions is not recommended as insoluble precipitates may form. |
| Other Notes: | Contains the macro- and micronutrients as described by Vacin and Went
(1949) modified with an equivalent iron molar concentration of ferrous sulfate in place of ferric tartrate. pH = 5.25 - 6.25 |
| Formula (mg/L) | |
|---|---|
| Ammonium Sulfate | 500 |
| Calcium Phosphate, Tribasic | 200 |
| Na2EDTA.2H2O | 37.26 |
| Ferrous Sulfate.7H2O | 27.8 |
| Magnesium Sulfate, Anhydrous | 122.1 |
| Manganese Sulfate.H2O | 5.6 |
| Potassium Nitrate | 525 |
| Potassium Phosphate, Monobasic | 250 |
Application Notes
Plant Tissue Culture Tested
Originally developed for the germination of orchid seeds.
References
Vacin, EF and EW Went. 1949. Bot. Gaz. 110: 605-613.