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Plant Physiology 52:72-75 (1973) © 1973 American Society of Plant Biologists Growth of Plants in Solution Culture Containing Low Levels of Chromium 1a United States Plant, Soil and Nutrition Laboratory, Northeast Region, Agricultural Research Service, United States Department of Agriculture, Ithaca, New York 14850, Department of Agronomy, Cornell University, Ithaca, New York 14850
Chromium was not required for normal growth of romaine lettuce (Lactuca sativa L. subsp. longifolia), tomato (Lycopersicon esculentum Mill.), wheat (Triticum aestivum L.), or bean (Phaseolus vulgaris L.) in solution culture containing 3.8 x 104 µM Cr. Plants grown on this purified nutrient solution contained an average of 22 ng Cr/g dry weight. Duckweed (Lemna sp.) grew and reproduced normally on a dilute nutrient solution containing 3.8 x 105 µM Cr.
2 Present address: Huffman Laboratories, Inc., 3830 High Court, P. O. Box 350, Wheat Ridge, Colo. 80033. 1 Cornell University, Department of Agronomy Paper No. 1024.
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