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This article in AJ

  1. Vol. 59 No. 3, p. 250-253
    Received: Oct 24, 1966

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Effect of Chloride on Phosphorus Uptake by Corn Roots1

  1. O. G. Carter and
  2. D. J. Lathwell2



A study was made on the effect of KCl on P uptake by 20-day-old corn seedlings grown in water culture and 4-day-old excised corn roots grown on 0.2 mM CaSO4 solution. All P solutions were adjusted to pH 4. Those used for excised roots contained 0.2 mM CaSO4 and those used for 20-day-old corn seedlings contained 1.2 mM KNO3, 0.8 mM Ca(NO3)2, and 0.4 mM MgSO4. One-hour absorption periods using concentrations up to 0.l M KCl showed no effect on 32 uptake from 2 to 260 µM KH2PO4 solutions with either type of plant material.

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