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Knudson C (Stoutamire, 1964)
Originally cited by Stoutamire, 1964. Seeds and seedlings of native orchids. Michigan Botanist, 3, 107-19.
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Ca(NO3)2 * 4 H2O
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1000 mg
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KH2PO4
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250 mg
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MgSO4 * 7 H2O
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250 mg
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(NH4)2SO4
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500 mg
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Fe-EDTA
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25 mg
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MnSO4 * 4 H2O
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7.5 mg
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Sucrose
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20 g
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Peptone
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2 g
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Agar
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12-15 g
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Note: This medium employs relatively little chelated iron. As a result, this medium is iron-poor.
Source: Rasmussen, H. Terrestrial orchids from seed to mycotrophic plant. Cambridge University Press, Cambridge. 1995.
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