Physiological Responses of the Three Deciduous Hardwood Seedlings Growing Under Different Shade Treatment Regimes
2010
Kim, G.N., Chungnam National University, Daejeon, Republic of Korea | Cho, M.S., Forest Practice Research Center, Korea Forest Research Institute, Pocheon, Republic of Korea | Lee, S.W., Forest Practice Research Center, Korea Forest Research Institute, Pocheon, Republic of Korea
This present study was conducted to investigate photosynthetic characteristics, chlorophyll fluorescence, chlorophyll contents of Betula platyphylla var. japonica, Prunus leveilleana, Magnolia sieboldii, growing under four different light intensity regimes (full sun, and 64~73%, 35~42%, 9~16% of full sun). As result, Betula platyphylla var. japonica showed outstanding photosynthetic capacity and apparent quantum yield in full sun and showed low shade tolerance. Prunus leveilleana showed good photosynthetic capacity and apparent quantum yield in 64~73% or 35~42% of full sun and showed common shade tolerance. However, Magnolia sieboldii showed good photosynthetic capacity and apparent quantum yield in 35~42% of full sun, while the lowest in full sun. Magnolia sieboldii showed the highest shade tolerance compared to the other species. As the shading level increased, the total chlorophyll contents of all species increased with significant difference.
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