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Commentary

Insects take a bigger bite out of plants in a warmer, higher carbon dioxide world

Evan H. DeLucia, Clare L. Casteel, Paul D. Nabity, and Bridget F. O'Neill
PNAS February 12, 2008 105 (6) 1781-1782; first published February 6, 2008; https://doi.org/10.1073/pnas.0712056105
Evan H. DeLucia
*Department of Plant Biology and Institute of Genomic Biology and
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  • For correspondence: delucia@life.uiuc.edu
Clare L. Casteel
*Department of Plant Biology and Institute of Genomic Biology and
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Paul D. Nabity
*Department of Plant Biology and Institute of Genomic Biology and
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Bridget F. O'Neill
‡Department of Entomology, University of Illinois at Urbana–Champaign, Urbana, IL 61801
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Related Article

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    Fig. 1.

    The Soybean Free-Air Concentration Enrichment (SoyFACE) experiment at the University of Illinois (www.soyface.uiuc.edu), following a factorial design, exposes a soybean crop to the elevated levels of CO2 and O3 expected to occur in the Midwest by the middle of this century. The SoyFACE facility enables precise control of the atmosphere above the plant canopy under otherwise natural conditions, while permitting insects and pathogens unrestricted access. Equipment for sensing and controlling gas concentrations is located at the center of the plot. The tower at the upper left measures canopy temperature, and the caged subplots exclude canopy insects. Research at SoyFACE is supported by the Office of Science (BER), U.S. Department of Energy.

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    Fig. 2.

    Japanese beetles (Popillia japonica) consuming soybean leaves. The Japanese beetle is a broadly polyphagous species introduced into the United States in 1916 that is now expanding its range throughout the Midwest (27). Japanese beetles are attracted to poorly defended, high-sugar soybean leaves that develop under elevated CO2. Future increases in CO2 and temperature may further the success of such destructive invasive species (28)

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Insects take a bigger bite out of plants in a warmer, higher carbon dioxide world
Evan H. DeLucia, Clare L. Casteel, Paul D. Nabity, Bridget F. O'Neill
Proceedings of the National Academy of Sciences Feb 2008, 105 (6) 1781-1782; DOI: 10.1073/pnas.0712056105

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Insects take a bigger bite out of plants in a warmer, higher carbon dioxide world
Evan H. DeLucia, Clare L. Casteel, Paul D. Nabity, Bridget F. O'Neill
Proceedings of the National Academy of Sciences Feb 2008, 105 (6) 1781-1782; DOI: 10.1073/pnas.0712056105
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