Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 April 1957
Published in Agron J 49:206-207 (1957)
© 1957 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Copper Toxicity of the Cotton Plant in Solution Cultures1

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

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.

1 Contribution from the Department of Agronomy and Soils, Agr. Exp. Sta. of the Alabama Polytechnic Institute, Auburn, Ala. Published with the approval of the Director. Financial support of this study, in part, by the Chilean Nitrate Educational Bureau, Inc., is gratefully acknowledged.

2 Assistant in Agronomy, Soil Chemist, and Associate Soil Chemist, respectively, Agr. Exp. Sta., Auburn, Ala.

Received for publication October 24, 1956.




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The SCI Journals Crop Science Vadose Zone Journal
Journal of Natural Resources
and Life Sciences Education		 Soil Science Society of America Journal
Journal of Plant Registrations Journal of
Environmental Quality		 The Plant Genome
Copyright © 1957 by the American Society of Agronomy.