Photosynthetica, 2013 (vol. 51), issue 1

Photosynthetica 2013, 51(1):158-160 | DOI: 10.1007/s11099-013-0006-5

Photosynthetic limitation of similar-height Cryptomeria japonica trees growing at different rates

T. Tange1,*, M. Someya1, M. Norisada2, M. Masumori1
1 Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
2 Asian Natural Environmental Science Center, The University of Tokyo, Tokyo, Japan

We compared light-saturated photosynthetic rates and their stomatal limitations among Cryptomeria japonica trees with a similar height but different current growth rates. Although slow-growing trees had a lower stomatal conductance and a higher carbon isotope ratio in shoots, the stomatal limitations in photosynthesis were not different. Large mesophyll CO2 diffusion resistance contributed to the low photosynthetic rate of the slow-growing trees.

Keywords: PN-Ci curve; stable carbon isotope ratio; water potential

Received: December 21, 2011; Accepted: November 14, 2012; Published: March 1, 2013Show citation

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Tange, T., Someya, M., Norisada, M., & Masumori, M. (2013). Photosynthetic limitation of similar-height Cryptomeria japonica trees growing at different rates. Photosynthetica, 51(1), 158-160. doi: 10.1007/s11099-013-0006-5.
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