Study on in vitro propagation of Giao co lam (Gynostemma pentaphyllium Thunb.)
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Suitable medium for rooting was MS + 0.5 mg/L IBA with root shoots at 97.33%, average roots at 5.29 roots/shoot after 4 weeks. On organic substrat, 70% coconut fiber and 30% composted cow manure gave the highest survival rate of 91.33%. The plants grew and developed well during the nursery stage.
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