Full TGIF Record # 66806
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Publication Type:
Author(s):Colbaugh, P. F.; Metz, S. P.
Author Affiliation:Colbaugh: Associate Professor, Urban Plant Pathology, The Texas Agricultural Experiment Station, Dallas, TX; Metz: Research Associate, Urban Plant Pathology, The Texas Agricultural Experiment Station, Dallas, TX
Title:Fungicide efficacy for controlling Rhizoctonia solani Brown Patch incidence on a modified-sand bentgrass green
Section:Pests and pest management: A. Diseases
Other records with the "Pests and pest management: A. Diseases" Section
Source:Texas Turfgrass Research - 1997. December 1997, p. [1-4].
# of Pages:4
Publishing Information:College Station, TX: Texas Agricultural Experiment Station
Series:Texas Turfgrass Consolidated Progress Reports TURF-97-1 thru
Keywords:TIC Keywords: Fungicide evaluation; Disease control; Comparisons; Rhizoctonia solani; Brown patch; Golf greens; Sand-based golf greens; Disease severity; Agrostis; Agrostis stolonifera; Pesticide residues; Application rates; Application frequency
Abstract/Contents:"Field inoculation studies were used to determine the effectiveness of 28 fungicide treatments for control of Rhizoctonia blight of bentgrass in 1996. The commercial fungicide standard Daconil 2782 at 6.0 oz/1000 ft², was applied weekly and provided consistent control of the Rhizoctonia blight throughout the study. Applications of Eagle 40WSP (1.2 oz/1000 ft²) applied twice over a 6-wk period gave consistent protection against R. solani. Weco 42894 (6.0 oz/1000 ft²) applied twice, at a 35-d interval provided moderate disease protection over a 6-wk period. Heritage applied at 0.2 oz/1000 ft² at 14-d intervals provided disease protection comparable to Daconil 2787 immediately after application, with moderate residual protection. A tank-mix of Heritage (0.3 oz/1000 ft²) and Daconil Ultrex (2.7 oz/1000 ft²) applied at either a 14- or 21-d interval protected against brown patch immediately after application, with diminishing protection as time elapsed between applications. Garlic Barrier and Garlic Barrier plus Crocker's Fish Oil, (both experimental fungicides) were ineffective against brown patch, with Crocker's Fish Oil causing damage to the turf. Actinovate (Streptomyces sp.), an experimental biological fungicide, applied at 15 g/1000 ft² provided slight control of Rhizoctonia solani brown patch on 3 of the 8 observation dates. Soligard (Gliocladium virens) applied at 15 g/1000 ft² in 9.0 gal water/1000 ft² provided moderate disease protection on 4 of the 8 observation dates in the field study."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Colbaugh, P. F., and S. P. Metz. 1997. Fungicide efficacy for controlling Rhizoctonia solani Brown Patch incidence on a modified-sand bentgrass green. Tex Turfgrass Res. p. [1-4].
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