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The Effects of Temperature and CO2 Enrichment on Photosynthesis in Soybean

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Environmental and Biological Control of Photosynthesis

Abstract

The effects of temperature and CO2 concentration on the growth and gas exchange of soybean plants were studied in phytotrons. Growth of soybean plants can be greatly enhanced by CO2 enrichment when temperatures are optimum for growth. Photosynthesis was negatively correlated with mesophyll resistance, starch content, and specific weight of leaves. There was no correlation between photosynthesis and stomatal resistance. With suboptimal temperatures, leaf sections in CO2-enriched air showed a more dense palisade layer and high starch accumulation.

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References

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Author information

Authors and Affiliations

  1. Department of Environmental Biology, University of Guelph, Guelph, Ontario, Canada

    G. Hofstra

  2. U.S. Department of Agriculture, Cotton Production Research, Agricultural Research Service, Mississippi State, Mississippi, 39762, USA

    J. D. Hesketh

Authors
  1. G. Hofstra
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  2. J. D. Hesketh
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Editor information

Editors and Affiliations

  1. Laboratory of Plant Physiology, Research Station of Gorsem, Sint-Truiden, Belgium

    R. Marcelle

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© 1975 Dr. W. Junk b.v., Publishers, The Hague

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Hofstra, G., Hesketh, J.D. (1975). The Effects of Temperature and CO2 Enrichment on Photosynthesis in Soybean. In: Marcelle, R. (eds) Environmental and Biological Control of Photosynthesis. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-1957-6_8

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  • DOI: https://doi.org/10.1007/978-94-010-1957-6_8

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-6193-179-9

  • Online ISBN: 978-94-010-1957-6

  • eBook Packages: Springer Book Archive

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