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| Publication Type:
| Refereed |
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| Author(s): | Reicher, Zachary J.;
Weisenberger, Daniel V.;
Throssell, Clark S. |
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| Author Affiliation: | Reicher: Assistant Professor; Weisenberger: Research Agronomist; and Throssell: Professor, Department of Agronomy, Purdue University, West Lafayette, IN |
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| Title: | Turf safety and effectiveness of dithiopyr and quinclorac for large crabgrass (Digitaria sanguinalis) control in spring-seeded turf |
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| Source: | Weed Technology. Vol. 13, No. 2, April-June 1999, p. 253-256. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America. |
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| # of Pages: | 4 |
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| Keywords: | TIC Keywords: Dithiopyr; Quinclorac; Digitaria sanguinalis; Crabgrass control; Cool season turfgrasses; Lolium perenne; Poa pratensis; Application timing; Herbicide injury; Herbicide evaluation; Spring weed control; Planting dates; Percent living ground cover
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| Abstract/Contents: | "There are limited options for controlling large crabgrass in spring-seeded cool-season turf. The objective of this experiment was to evaluate the safety and effectiveness of dithiopyr and quinclorac to control large crabgrass in spring-seeded Kentucky bluegrass and perennial ryegrass stands. Quinclorac at 0.84 kg/ha and dithiopyr at 0.56 kg/ha were applied separately at various times prior to seeding and after emergence of Kentucky bluegrass and perennial ryegrass. Quinclorac applied once at 2, 4, 8, or 12 weeks after emergence (WAE) or split-applied preplant incorporated (PPI) + 12 WAE will give season-long control of large crabgrass with no injury to spring-seeded Kentucky bluegrass or perennial ryegrass. Quinclorac applied PPI or 0 WAE is safe to use in spring seedings, but it will not provide season-long control of large crabgrass. Dithiopyr applied 2 or 4 WAE will control large crabgrass season-long while not injuring spring-seeded Kentucky bluegrass or perennial ryegrass. However, dithiopyr applied PPI or 0 WAE will severely limit germination of desirable turf, and dithiopyr applied at 8 or 12 WAE will not control mature crabgrass." |
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| Language: | English |
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| References: | 13 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Reicher, Z. J., D. V. Weisenberger, and C. S. Throssell. 1999. Turf safety and effectiveness of dithiopyr and quinclorac for large crabgrass (Digitaria sanguinalis) control in spring-seeded turf. Weed Technol. 13(2):p. 253-256. |
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MSU catalog number: SB 610 .W44 |
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