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Abstract

 

This article in AJ

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


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doi:10.2134/agronj1957.00021962004900040011x

Copper Toxicity of the Cotton Plant in Solution Cultures1

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

Synopsis

Synopsis

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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