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| Publication Type:
| Report |
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| Author(s): | Chastagner, G. A. |
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| Author Affiliation: | Washington State University, Research and Extension Center |
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| Title: | Evaluation of fungicides for control of Typhula blight, 1996 |
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| Source: | Fungicide and Nematicide Tests. Vol. 52, 1997, p. 393. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Abstract/Contents: | "An experiment was conducted at Desert Canyon Golf Course near Orondo, WA to evaluate the effectiveness of several fungicides in controlling Typhula blight (gray snow mold). Typhula blight has been a recurrent problem at this site. The plot design was a split plot with four replications. Fungicide treatments were applied in 1 or 4 gallons of water per 1000 sq ft. All treatments were applied to 3 ft x 10 ft areas of turf on 3 Nov using a bicycle wheeled boom sprayer equipped with 8004 tee-jet flat fan nozzles at 40 psi. Nonsprayed areas of turf in each block served as checks. The turf was originally seeded in 1991 and was mowed at height of 0.5 in. Snow was present on the plot from mid-Dec through early Mar. On 19 Mar and 4 Apr 1996, the percentage of turf damaged by Typhula blight was estimated. Turf color was also rated on 4 Apr, using 0-10 scale where 10 = dark green turf. Data were subjected to ANOVA to determine if there were significant treatment effects. Overall there was a significantly higher (P=0.05) level of disease on the turf where fungicides were applied in 4 gallons of water compared to where they were applied in 1 gallon on 19 Mar and 4 Apr, 48.0 and 21.2% vs 39.0 and 11.4%, respectively. Spray volume had no effect on overall turf color (5.1 vs 5.1). Fluazinam alone and in combination with Daconil 2787F or Turfcide, Turfcide, and Fore plus Eagle tended to be the most effective materials tested. In comparing the 19 Mar and 4 Apr data, it is evident that there were differences among some treatments relating to the ability of the turf to recover from disease damage. Turf with relatively high levels of damage on 19 Mar that was treated with some fungicides, such as the low rates of Turfcide and Fore, had almost completely recovered by 4 Apr. In these cases, most of the damage evident on 19 Mar was primarily restricted to the leaves. Although turf color was not affected by spray volume, applications of Fore resulted in a small, but significant increase in turf color, while IB10322 was the only treatment with a color rating significantly lower than the nonsprayed checks." |
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| Language: | English |
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| References: | 0 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Chastagner, G. A. 1997. Evaluation of fungicides for control of Typhula blight, 1996. Fungicide Nematicide Tests. 52:p. 393. |
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MSU catalog number: SB 951.3 .F82 |
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