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| Publication Type:
| Report |
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| Author(s): | Grisham, M. P.;
Beard, J. B. |
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| Author Affiliation: | The Texas Agricultural Experiment Station |
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| Title: | Fungicide control of St. Augustinegrass diseases |
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| Source: | Texas Turfgrass Research - 1982. September 1982, p. 65-67. |
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| Publishing Information: | College Station, TX: Texas Agricultural Experiment Station. |
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| Keywords: | TIC Keywords: Phytotoxicity; Gray leaf spot; Downy mildew; Fungicides; Control; Brown patch
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| Abstract/Contents: | Of the three experimental fungicides tested, along with 8 other established fungicides, OAC 3890 appears to have the most potential as an effective control agent of Rhizoctonia brown patch. EL 222 appeared to be effective only at higher concentrations, while CGA 64251 was the least effctive of the experimental fungicides. PCNB appeared to be the most consistently effective available material. No downy mildew was observed in the metalaxyl treated plots. As a systemic material, metalaxyl exhibits both eradicative and protective properties. For gray leaf spot control, CGA 64251 at the higher concentration appears to have potential efficacy. Significantly higher gray leaf spot was observed in OAC 3890 treatments. Although some materials caused phytotoxic effects, recovery of the turfgrass from the adverse effects was rapid. Tables showing the rates of application and the effects of the fungicides tested are included. Also included is a table showing the phytotoxic effects of the fungicides. |
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| Language: | English |
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| Note: | Tables
PR #4052 |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Grisham, M. P., and J. B. Beard. 1982. Fungicide control of St. Augustinegrass diseases. Tex Turfgrass Res. p. 65-67. |
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