Full TGIF Record # 75830
Item 1 of 1
Publication Type:
Author(s):Johnson, B. J.
Author Affiliation:Weed Control/PGR, Georgia Station, University of Georgia, Griffin, GA
Title:Herbicide programs using reduced rates for crabgrass control
Meeting Info.:Griffin, GA: July 26, 1995
Source:The University of Georgia Turfgrass Field Day. July 1995, p. 11-13.
# of Pages:3
Abstract/Contents:Presents a study to "determine the lowest rates [of PRE herbicides] that can be used to control weeds over a three-year period." Results indicate that "crabgrass control was ≥70% throughout 1993 and 1994 when Barricade, Surflan, Dimension, and pendimethalin rates were reduced by 50% the first year followed by an additional 25% the second year...It was necessary to apply Ronstar at a full rate the first year, but the rate could be reduced by 50% the second year. None of the PRE herbicides controlled goosegrass effectively (≥70%) during the first year (Table 4C). However, the control was effective the second year with either Dimension or Ronstar when applied at one-half rate the first year and followed by one-fourth rate the second year; when Barricade was applied at one-half rate both years; and when pendimethalin was applied at full rate the first year and followed by one-half rate the second year. Surflan did not control goosegrass effectively either year."
Note:Stop 4
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Johnson, B. J. 1995. Herbicide programs using reduced rates for crabgrass control. Univ. Geo. Turfgrass Field Day. p. 11-13.
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