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Introduction:
This medium is a modification of P668 which has shown to be too high in salt concentration as a seed propagation medium. This medium is modified by reducing the major inorganic salts by ½x. The reduction of salt helps promote the germination of seed of many epiphytic & terrestrial species. Germination may be enhanced by adding 50 mL of coconut water (C195) per liter of medium.
P723 Orchid Seed Sowing Medium Contains Charcoal and Agar Mother Flasking Medium II
Properties
| Form: | Powder |
| Appearance: | Gray Powder |
| Application: | Orchid Culture |
| Solubility: | Partially Soluble in Wate |
| Typical Working Concentration: | 32.74 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: | pH = 5.25 - 6.25 |
| Formula (mg/L) | |
|---|---|
| Ammonium Nitrate | 412.5 |
| Boric Acid | 1.65 |
| Calcium Chloride, Anhydrous | 83 |
| Cobalt Chloride.6H2O | 0.0063 |
| Cupric Sulfate.5H2O | 0.0063 |
| Na2EDTA.2H2O | 18.65 |
| Ferrous Sulfate.7H2O | 13.93 |
| Magnesium Sulfate,Anhydrous | 75.18 |
| Manganese Sulfate.H2O | 4.23 |
| Molybdic Acid, Sodium Salt.2H2O | 0.0625 |
| Potassium Iodide | 0.2075 |
| Potassium Nitrate | 475 |
| Potassium Phosphate, Monobasic | 42.5 |
| Zinc Sulfate.7H2O | 2.65 |
| Activated Charcoal | 1000 |
| Agar | 8000 |
| MES (Free Acid) | 500 |
| myo-Inositol | 100 |
| Nicotinic Acid (Free Acid) | 1 |
| Peptone from Meat | 2000 |
| Pyridoxine.HCl | 1 |
| Sucrose | 20,000 |
| Thiamine.HCl | 10 |
Application Notes
Plant Tissue Culture Tested
Plant species: Phalaenopsis, Epiphytic orchids
This medium is a modification of P668 which has
shown to be too high in salt concentration as a
seed propagation medium. This m
edium is modified by reducing the major inorganic salts by
½X. The reduction of salt helps promote the germi
nation of seed of many epiphytic & terrestrial
species. Germination may be enhanced by adding 50
mL of coconut water (C195) per liter of
medium.
(Revised 12/2012)