, Volume 44, Issue 3, pp 425–432 | Cite as

Photosynthetic performances of five Cypripedium species after transplanting

Original Papers


Photosynthesis and leaf traits of five species in genus Cypripedium were compared in natural habitats and transplant nursery to develop effective strategy for cultivation and conservation. Among five species, C. guttatum had the highest photosynthetic capacity (P Nmax) in the natural habitat and nursery, while C. lichiangense the lowest. The differences in P Nmax among species were correlated with leaf N content (LNC) and leaf dry mass per unit area (LMA). After transplanting from natural habitats to nursery, the P Nmax of C. lichiangense and C. yunnanense decreased, that of C. guttatum increased, while those of C. flavum and C. tibeticum remained relatively constant. The variations in LNC and biochemical efficiency would be responsible for the differences in P Nmax between plants in natural habitats and in the nursery, but not the relative stomatal limitation. After transplanting, the Fv/Fm of C. lichiangense and C. yunnanense were declined. Meanwhile, the temperature ranges maintaining 90 % P Nmax of C. lichiangense and C. yunnanense were narrower than those of the other three species. Thus the biochemical process in five species played a major role in the differences of P Nmax after transplanting, and the widespread species had higher photosynthetic adaptability than the narrow-spread species.

Additional key words

alpine orchid chlorophyll fluorescence cultivation leaf trait photosynthesis 



apparent quantum efficiency


intercellular CO2 concentration




electron transport rate


maximal quantum efficiency of photosystem 2


compensation irradiance


saturation irradiance


photon saturated rate of electron transport


leaf dry mass per unit area


leaf nitrogen content


net photosynthetic rate


photon saturated


PPFD, photosynthetic photon flux density




relative stomatal limitation


leaf temperature


optimum temperature for photosynthesis


maximum carboxylation rate by ribulose-1,5-bisphosphate carboxylase/oxygenase


CO2 compensation concentration


quantum yield of photosystem 2


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Copyright information

© Institute of Experimental Botany, ASCR 2006

Authors and Affiliations

  1. 1.Kunming Institute of BotanyChinese Academy of SciencesKunmingChina

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