GUO Runcai,GAO Yong,HUANG Xin.Comparative Study on Photosynthetic Rate of Pinus tabulaeformis Carr. in Different Growth Conditions of Baotou City[J].Northern Horticulture,2015,39(19):69-72.[doi:10.11937/bfyy.201519017]
包头市不同生长状况油松光合速率对比研究
- Title:
- Comparative Study on Photosynthetic Rate of Pinus tabulaeformis Carr. in Different Growth Conditions of Baotou City
- 文献标志码:
- A
- 摘要:
- 以包头市阿尔丁植物园、锦林公园、迎宾道3个样地的针叶“红化”油松与健康油松为试材，采用室外光合速率对比方法，研究了正常生长油松与针叶“红化”油松对针叶光合作用的影响。结果表明：油松的光合速率规律均呈双峰型；同一地点不同生长状况油松的光合速率有明显差异，正常油松光合速率最高峰为CO2 13.80 μmol?m-2?s-1，针叶“红化”油松的最高峰值为CO2 11.60 μmol?m-2?s-1；不同样地相同生长状况油松光合速率也有一定联系；同一油松一年中不同月份光合速率随光照强度的不同其变化规律呈单峰型。
- Abstract:
- Taking needle reddening and healthy Pine of Arden Botanic Gardens，Jinlin Park and Welcome Avenue in Baotou City as material，the effect of outdoor photosynthesis rate of needle reddening and healthy P.tabulaeformis were compared and studied.The results showed that the law of P.tabulaeformis photosynthesis rate showed a bimodal.The photosynthesis rate of P.tabulaeformis which in different growth conditions in the same place was significantly different，the peak photosynthesis rate of healthy and needle reddening P.tabulaeformis was 13.80 μmol? m-2?s-1,11.60 μmol?m-2?s-1 respectively.There must be relationship between the same growth condition P.tabulaeformis which grew in different plots.Furthermore，the rate of photosynthesis of the same P.tabulaeformis at different months during the year indicated single peak along with the light intensity variation.
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备注/Memo
第一作者简介：国润才（1968-），男，博士研究生，副教授，研究方向为荒漠化防治。E-mail：guorcyx@163.com.责任作者：高永（1962-），男，博士，教授，博士生导师，现主要从事荒漠化防治等研究工作。E-mail：13948815709@163.com.基金项目：内蒙古科技厅资助项目（20090514）；国际科技合作计划资助项目（2010DFA91930）。