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Agronomy Journal Abstract -

Influence of Male-Sterility on Nitrogen Utilization in Corn, Zea mays L.1


This article in AJ

  1. Vol. 57 No. 6, p. 580-583
    Received: Apr 10, 1965

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  1. J. O. Sanford,
  2. C. O. Grogan,
  3. H. V. Jordan and
  4. P. A. Sarvella2



Considerably more N accumulated in fertile tassels than in sterile tassels. Subsequent to the shedding of pollen, there was no difference in the N content of fertile and sterile tassels. Sterile plants accumulated more N in ears and husks than did fertile plants due to the greater yield and number of ears produced by sterile plants. There were only slight differences between fertile and sterile plants in N content of leaves and stalks. The data suggest that the comparatively fewer ears per plant produced by the fertile versions were due to competition for N between the ear primordia and the pollen.

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