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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Gleason, M. L.;
Christians, N. C. [E.] |
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| Author Affiliation: | Department of Plant Pathology; Department of Horticulture, Iowa State University, Ames, IA 50011 |
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| Title: | Evaluation of fungicides for control of dollar spot in creeping bentgrass, 1993 |
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| Source: | Fungicide and Nematicide Tests. Vol. 49, 1994, p. 329. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Agrostis stolonifera; Dollar spot; Sclerotinia homoeocarpa; Disease control; Fungicide evaluation; Fungicides
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| Cultivar Names: | Penncross |
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| Abstract/Contents: | "Trials were conducted at the Turfgrass Research Area of Iowa State University's Horticulture Research Farm, Gilbert, IA. Fungicides were applied to Penncross creeping bentgrass maintained at 5/32-inch cutting height, using a modified bicycle sprayer at 30 psi and a dilution rate of 5 gal/1000 ft2. The experimental design was a randomized complete block with four replications. All plots measured 4 ft x 5 ft. Fungicide applications began in early Jun following inoculation with infested rye grain. However, due to a communication error, the plot had been sprayed with chlorothalonil 2 wk earlier, so the inoculation was ineffective. Sprays were discontinued on 30 Jun. The plot was reinoculated on 1 Aug, and all treatments were reapplied on 6 Aug. Subsequent applications were made at specified intervals on 13, 20, and 27 Aug. Disease development was rated on 30 Jul (before the reinoculation), 20 Aug, and 3 Sept. Disease development was severe during the test period, which was unusually rainy (twice the normal rainfall total during Aug). Two materials were not significantly better for disease control than the untreated check on the August rating dates: Thalonil 90 at 3.5 oz and TRA 0028 at 6 oz at a 14-day interval. Other treatments varied widely in efficacy. No phytotoxicity symptoms were observed." |
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| Language: | English |
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| References: | 0 |
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| See Also: | Other items relating to: DOLLAR |
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| Note: | This item is an abstract, with table, only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Gleason, M. L., and N. C. [E.] Christians. 1994. Evaluation of fungicides for control of dollar spot in creeping bentgrass, 1993. Fungicide Nematicide Tests. 49:p. 329. |
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