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Effects of Doubled CO2 Concentration on Growth and Photosynthesis of Soybean(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2010年01期
Page:
64-67
Research Field:
Publishing date:

Info

Title:
Effects of Doubled CO2 Concentration on Growth and Photosynthesis of Soybean
Author(s):
ZHANG PengZHANG Wen-huiMIAO Xiu-lianLI HuiLIU Li-liZHANG Wen-wen
School of Life Sciences,Liaocheng University,Liaocheng 252059,Shandong,China
Keywords:
Doubled CO2SoybeanPhotosynthesis
PACS:
Q948
DOI:
10.11861/j.issn.1000-9841.2010.01.0064
Abstract:
The effects of doubled carbon dioxide concentration(700 μmo·mol-1)on some relevant indicators of growth and development,biomass accumulation and photosynthesis in soybean(Glycine max Merr.)were investigated in artificial climate room with soybean cultivar Qihuang 27 as material.Doubled CO2 significantly increased plant height,dry weight,fresh weight and the number of root nodule while significantly decreased the root/shoot ratio; Doubled CO2 significantly increased the contents of chlorophyII,carotenoid and anthocyanin;Doubled CO2 increased photosynthesis rate,rubsico activity,stomatic conductance,and Fv/Fm.Results suggest doubled CO2 enhanced photosynthesis by increasing related physiological traits,hence,promoted the growth of soybean plants.

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Last Update: 2014-09-13