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Publication Type:
| Refereed |
Author(s): | Carroll, Mark J.;
Hill, Robert L.;
Pfeil, Emy;
Herner, Albert E. |
Author Affiliation: | Assistant Professor, Association Professor, Department of Agronomy, University of MD, College Park, MD; Chemists, Environmental Chemistry Lab. U. S. Department of Agriculture Res. Service: National Res. Institute, Beltsville, MD |
Title: | Washoff of Dicamba and 3,6-Dichlorosalicylic Acid from turfgrass foliage |
Source: | Weed Technology. Vol. 7, No. 2, April-June 1993, p. 437-442. |
Publishing Information: | Champaign, IL: Weed Science Society of America. |
# of Pages: | 6 |
Keywords: | TIC Keywords: Poa pratensis; Dicamba; Weed control; Foliage; Precipitation; Spraying nozzles
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Abstract/Contents: | "The functional relationships between rainfall intensities and amounts, and the washoff of dicamba and 3,6-DCSA from turfgrass foliage were determined. Dicamba was applied to Kentucky bluegrass field plots and the turfgrass was subjected to 2 to 58 mm of simulated rainfall 18 to 48 h later. Rainfall was applied at an average intensity of 20.6 or 39.9 mm h-1. The 39.9 mm h-1 intensity reduced dicamba washoff by 10% for a given amount of rainfall. Washoff of 3,6-DcSA was independent of rainfall intensity. When averaged over intensities, washoff of dicamba was best described by the equation y = 1 - 0.341x(0.187), and 3,6-DCSA washoff by the equation y = exp(-0.210x), where x represents millimeters of rainfall and y, the proportion of compound remaining on the foliage after rainfall." |
Language: | English |
References: | 12 |
Note: | Figures Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Carroll, M. J., R. L. Hill, E. Pfeil, and A. E. Herner. 1993. Washoff of Dicamba and 3,6-Dichlorosalicylic Acid from turfgrass foliage. Weed Technol. 7(2):p. 437-442. |
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