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This article in AJ

  1. Vol. 49 No. 4, p. 206-207
    Received: Oct 24, 1956



Copper Toxicity of the Cotton Plant in Solution Cultures1

  1. W. F. Sowell,
  2. R. D. Rouse and
  3. John I. Wear2



Cotton plants growing in solution culture containing a copper concentration of 0.8 ppm. or higher developed toxicity symptoms consisting of a darkened root system and loss of turgidity in the aerial parts. A copper concentration of 0.4 ppm. produced no toxic effects.

Copper accumulated in high amounts in the tip and mid portions of the roots; whereas, only small amounts were translocated to the leaves.

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