Full TGIF Record # 210081
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Author(s):Proctor, Christopher A.; Sousek, Matt D.; Patton, Aaron J.; Weisenberger, Daniel V.; Reicher, Zachary J.
Author Affiliation:Proctor, Sousek, and Reicher: Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE; Patton and Weisenberger: Department of Agronomy, Purdue University, West Lafayette, IN
Title:Combining preemergence herbicides in tank mixtures or as sequential applications provides season-long crabgrass control in the Upper Midwest
Section:Turf management
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Source:HortScience. Vol. 47, No. 8, August 2012, p. 1159-1162.
# of Pages:4
Publishing Information:Alexandria, Virginia: American Society for Horticultural Science
Keywords:TIC Keywords: Crabgrass control; Dithiopyr; Herbicide combinations; Herbicide evaluation; Pendimethalin; Preemergence weed control; Prodiamine; Tank mix
Abstract/Contents:"Preemergence (PRE) herbicides are used to control crabgrass (Digitaria spp.). Single spring applications are common in areas with relatively low crabgrass pressure, whereas sequential applications often are used to extend control in locations with high crabgrass pressure. Our objectives were to determine if changing a.i. in initial and sequential applications affects crabgrass control and if single spring applications of tank-mixed PRE herbicides provide season-long crabgrass control. Studies were conducted 2009, 2010, and 2011 in West Lafayette, IN, and 2011 in Wymore, NE. The PRE herbicides prodiamine, pendimethalin, and dithiopyr were tested using different application strategies. Sequential applications were applied mid-April and mid-June using all possible combinations of the three herbicides and untreated for the initial and sequential application. These herbicides also were applied mid-April as single full-rate PRE application or as a tank mixture of two PRE herbicides at half-plus-half or half-plus-quarter rate. Season-long crabgrass control was consistently achieved using sequential applications regardless which of the three herbicides was used for initial or sequential applications. Single applications of tank mixtures also provided consistent crabgrass control, equivalent to single full-rate applications of the individual PRE herbicides. Tank mixtures of half-plus-quarter rate and single half-rate applications resulted in more crabgrass cover than single full-rate or half-plus-half rate applications regardless of the herbicide applied."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Proctor, C. A., M. D. Sousek, A. J. Patton, D. V. Weisenberger, and Z. J. Reicher. 2012. Combining preemergence herbicides in tank mixtures or as sequential applications provides season-long crabgrass control in the Upper Midwest. HortScience. 47(8):p. 1159-1162.
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DOI: 10.21273/HORTSCI.47.8.1159
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MSU catalog number: b2217685a
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