Macro & micro nutrients for in vitro culture of various orchid species. Originally, the medium was developed by Knudson (1946) for seed germination, but its use in other stages of culture has also been referred to on many occasions. This modification is similar to that described by Arditti in Table ARANDA-8 (Arditti, 2017), with the difference that sodium molybdate replaces molybdic acid, which is of toxicological concern. Compared to Knudson's original "Solution C", this modification also contains the other microelements boron, zinc, molybdenum and copper.
The Knudson C base salts are often enriched with further additives such as vitamins and buffers or complex additives such as coconut water, pineapple- or banana powder.
| Item information |
Value |
| Release class: |
Release class 0 |
| Media components: |
macro elementsmicro elements |
| GHS-Pictograms: |
00 |
| Specifications: |
Formula
| Component |
Amount |
Unit |
| Ammonium sulfate |
500 |
mg/l |
| Calcium nitrate |
694,8 |
mg/l |
| Monopotassium phosphate |
250 |
mg/l |
| Magnesium sulfate (anh.) |
122,1 |
mg/l |
| Fe-EDTA trihydrate |
42,11 |
mg/l |
| Manganese sulfate monohydrate |
5,68 |
mg/l |
| Boric acid |
0,06 |
mg/l |
| Copper sulfate |
0,04 |
mg/l |
| Sodium molybdate dihydrate |
0,034 |
mg/l |
| Zinc sulfate monohydrate |
0,218 |
mg/l |
|
| Dosage: |
1.615 g/l |
| References: |
Arditti, Joseph. "Micropropagation of orchids". John Wiley & Sons (2009).
Knudson, Lewis. "A new nutrient solution for the germination of orchid seed." Amer. Orchid Soc. Bull. 15 (1946): 214-217.
|
| Storage Temperature: |
15 - 25 °C |
| OE-Warning: |
The absence of a classification according to GHS/CLP or warnings does not indicate that the product is not dangerous. |
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