Differing sensitivity of photosynthesis to low leaf water potentials in corn and soybean |
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Authors: | Boyer J S |
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Institution: | Department of Botany, University of Illinois, Urbana, Illinois 61801. |
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Abstract: | Rates of net photosynthesis were studied in soil-grown corn (Zea mays) and soybean (Glycine max) plants having various leaf water potentials. Soybean was unaffected by desiccation until leaf water potentials were below −11 bars. Rates of photosynthesis in corn were inhibited whenever leaf water potentials dropped below −3.5 bars. |
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