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This article in AJ

  1. Vol. 57 No. 1, p. 56-58
    Received: June 1, 1964

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Influence of Oxygen and Carbon Dioxide on Germination and Seedling Development of Corn (Zea mays L.)1

  1. Paul W. Unger and
  2. Robert E. Danielson2



Corn seeds were germinated and the seedlings permitted to develop on wet filter paper in sealed containers at various pressures of oxygen or mixtures of oxygen and carbon dioxide. The seeds germinated over a wide range of oxygen pressures, but further radicle elongation was inhibited by 0.0- and 150.0-cm. Hg oxygen pressure. Maximum radicle growth occurred at 20.0 cm. pressure. Sharp reductions in growth were noted for oxygen pressures less than 20.0 cm. Radicle growth in mixtures of oxygen and carbon dioxide was significantly greater than growth in oxygen alone.

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