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Response of Five Vegetable Crops to Isoxaflutole Soil Residues

Published online by Cambridge University Press:  20 January 2017

Joel Felix*
Affiliation:
Ohio Agricultural Research and Development Center/The Ohio State University, Department of Horticulture and Crop Science, 1680 Madison Avenue, Wooster, OH 44691
Douglas J. Doohan
Affiliation:
Ohio Agricultural Research and Development Center/The Ohio State University, Department of Horticulture and Crop Science, 1680 Madison Avenue, Wooster, OH 44691
*
Corresponding author's E-mail: felix.15@osu.edu

Abstract

Field experiments were conducted in 2001 and 2002 at two sites in Ohio to characterize the effect of isoxaflutole herbicide applied the previous year to field corn on processing tomato, bell pepper, cabbage, snapbean, and cucumber. Isoxaflutole was applied preemergence to field corn in 2001 at 0, 53, 70, 105, and 210 g ai/ha. There were no rotational crop cultivar by herbicide rate interactions at either site. Generally, there was a higher level of visible injury on crops at the Fremont site. Isoxaflutole residues at either site did not affect processing tomato yield. Bell pepper yield was reduced 33% when rotated into 210 g ai/ha rate plots only at Fremont. Snapbean marketable yield was reduced by isoxaflutole carryover from 70 and 210 g ai/ha rates resulting in 0.39 and 0.0 t/ha at Fremont. Similarly, isoxaflutole soil residues from 105 and 210 g ai/ha resulted in 14 and 24% visible injury on cucumber but did not reduce marketable yield. Site differences in soil characteristics and precipitation in the application year may have contributed to observed differences in crop response.

Type
Research Article
Copyright
Copyright © Weed Science Society of America 

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References

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