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| Publication Type:
| Refereed |
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| Author(s): | Whitwell, Ted;
Kalmowitz, Kathie E.;
Stapleton, Greg S. |
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| Author Affiliation: | Department of Horticulture, Clemson University, Clemson, South Carolina |
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| Title: | Postemergence grass herbicide activity changes with adjuvant and pH and sodium level in spray solutions |
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| Source: | Journal of Environmental Horticulture. Vol. 10, No. 1, March 1992, p. 55-58. |
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| Publishing Information: | Washington, DC: Horticultural Research Institute |
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| # of Pages: | 4 |
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| Keywords: | TIC Keywords: Water quality; Herbicide structure and activity; Postemergence herbicides; pH; Fenoxaprop-ethyl; Crabgrass control; Calcium; Sodium; MSMA; Weed control; Sethoxydim; Fluazifop-butyl; Adjuvants
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| Abstract/Contents: | "Water quality is known to affect herbicide efficacy. Nursery well water containing naturally high pH and sodium levels was evaluated as spray solution for the postemergence grass herbicides Poast (sethoxydim), Fusilade (fluazifop-P) and Acclaim (fenozapropethyl). Using crabgrass as a test plant, high pH & sodium solution water reduced the effectiveness of all herbicides in one study. Other studies revealed that Poast (sethoxydim) was influenced the most with high pH & sodium water while the activity of Fusilade (fluazifop-P) and Acclaim (fenoxaprop-ethyl) was less affected. The solution water inhibition of Poast (sethoxydim) was overcome when Dash (a proprietary blend of surfactants used as a replacement for oil concentrate) was used as an adjuvant." |
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| Language: | English |
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| References: | 7 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Whitwell, T., K. E. Kalmowitz, and G. S. Stapleton. 1992. Postemergence grass herbicide activity changes with adjuvant and pH and sodium level in spray solutions. J. Environ. Hortic. 10(1):p. 55-58. |
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