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Effect of Activated Carbon on Phytotoxicity of Terbacil to Several Crops

Published online by Cambridge University Press:  12 June 2017

Alex G. Ogg Jr.*
Affiliation:
Agric. Res. Serv., U.S. Dep. Agric., Irrigated Agric. Res. and Ext. Center, Prosser, WA 99350

Abstract

Alfalfa (Medicago sativa L.), beans (Phaseolus vulgaris L.), corn (Zea mays L.), potatoes (Solanum tuberosum L.), spring wheat (Triticum aestivum L.), and sugarbeets (Beta vulgaris L.) were severely injured and had reduced foliage dry weights when grown in soil containing 0.10 ppmw or more terbacil (3-tert-butyl-5-chloro-6-methyluracil). Activated carbon at 150 kg/ha prevented a significant loss in weight of beans and corn in soil containing 0.10 ppmw terbacil and fully protected potatoes in soil containing 0.19 ppmw terbacil. Carbon at 300 kg/ha fully protected sugarbeets and prevented a significant weight loss in alfalfa in soil containing 0.19 ppmw terbacil. Carbon at 600 kg/ha did not protect wheat from 0.19 ppmw terbacil.

Type
Research Article
Copyright
Copyright © 1982 by the Weed Science Society of America 

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