M534 Malmgren Modified Terrestrial Orchid Medium Without Sucrose and Agar
Properties
Form:
Powder
Appearance:
Gray
to Black
Application:
Orchid Cultur
Solubility:
Water
Typical Working Concentration:
21.84 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
and organic constituents as
described by Malmgren (1996)
. Does not contain Sucrose or Agar.
Formula (mg/L)
Calcium Phosphate, Tribasic
75
Na2 EDTA.2H2O
37.26
Ferrous Sulfate.7H2O
27.8
Magnesium Sulfate, Anhydrous
97.69
Manganese Sulfate.H2O
1.54
Potassium Phosphate, Monobasic
75
Activated Charcoal
1000
D-Biotin
0.05
Casein, Enzymatic Hydrolysate
400
Folic Acid
0.5
Glycine (Free Base)
2
myo-Inositol
100
Nicotinic Acid (Free Acid)
5
Pineapple Powder
20,000
Pyridoxine.HCl
5
Thiamine.HCl
10
Application Notes
Plant Tissue Culture Tested
Plant species: Terrestrial orchids including Paphiopedilum, Cypripedium, and Phragmipedium
This medium is a good seed sowing medium for many terrestrial orchid species. Originally
developed for Cypripedium, this medium is also used for germination of Phragmipedium and
Paphiopedilum. Germination may be enhanced by includi
ng 50 ml of Coconut Water (C195) per
liter of medium.
References
Malmgren, S. 1996. In: C. Allen, Editor, North American Native Terrestrial Orchids.
Propagation and Production Conf. Proc., pp 63
-
71.