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[Comparison on growth, physiology and medicinal components of Dendrobium huoshanense hybrid and its parents]
Shu Wang1, Yi Lin, Yong-Ping Cai
1College of Life Sciences, Anhui Agricultural University, Hefei 230036, China.
Objective:
To compare the hybrid between species of Dendrobium huoshanense and its parents on growing, physiologic indexes and content of medicinal components, and provide theoretical basis for species quality improvement.
Method:
The chlorophyll content, the photosynthesis rate, the polysaccharides content and the alkaloids content were measured by anhydrous ethanol method, Cl-310 photosynthesis determination system, colorimetry of concentrated sulphuric acid-phenol and acid dyes colorimetry respectively.
Result:
The growth of hybrid was close to D. moniliforme, and apparently higher than D. huoshanense. The chlorophyll content and the photosynthesis rate of one-year-hybrid were markedly higher than its parents. The content of polysaccharides and alkaloids in two-year-stem and three-year-stem of hybrid were close to that of D. huoshanense.
Conclusion:
The hybrid integrates superiority of parents on growth and accumulation of medicinal components opens vast vistas for development and utilization.
