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Injury and Yield Effects on Crops Grown in CGA 152005-Treated Soil

Published online by Cambridge University Press:  20 January 2017

John O'Sullivan  and
Robert J. Thomas
John O'Sullivan*
Affiliation:
Department of Plant Agriculture, University of Guelph, Simcoe, Ontario, Canada N3Y 4N5
Robert J. Thomas
Affiliation:
Department of Plant Agriculture, University of Guelph, Simcoe, Ontario, Canada N3Y 4N5
*
Corresponding author's E-mail: josulliv@uoguelph.ca.
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Abstract

The effect of CGA 152005 residues in the soil on six crops grown in rotation with field corn was investigated over a 2-yr period. CGA 152005 at 10, 15, 20, and 30 g ai/ha was applied postemergence (POST) to corn in 1994. CGA 152005 at 15 and 30 g ai/ha, atrazine at 1,000 g ai/ha, CGA 152005 at 15 g plus atrazine at 500 g ai/ha, and CGA 152005 at 30 g plus atrazine at 1,000 g ai/ha were applied POST to corn in 1995. Soybean, pea, cabbage, tomato, pepper, and potato were planted each spring, 1 yr after herbicide application. Cabbage exhibited injury and yield reductions that increased with increasing application rate, and pepper exhibited slight injury at the highest rate and yield reduction in 1995. Cabbage yields were reduced by CGA 152005 plus atrazine, and tomato yields were reduced by CGA 152005 and CGA 152005 plus atrazine in 1996. Yields of other crops were not affected in either year.

Keywords

CGA 152005 (proposed common name, prosulfuron), 1-(4-methoxy-6-methyl-triazin-2-yl)-3-[2-(3,3,3-trifluoropropyl)-phenylsulfonyl]-ureacabbage, Brassica oleracea L. var. capitata L.: corn, Zea mays L.pea, Pisum sativum L.pepper, Capsicum annuum L.potato, Solanum tuberosum L.soybean, Glycine max (L.) Merrtomato, Lycopersicon esculentum MillCrop injuryherbicide carryoversoil pHsoil temperatureOM, organic matterPOST, postemergenceSU, sulfonylurea
Type
Notes
Information
Weed Technology , Volume 15 , Issue 3 , September 2001 , pp. 594 - 597
Copyright
Copyright © Weed Science Society of America 

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References

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