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| Publication Type:
| Refereed |
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| Author(s): | Neal, Joseph C.;
Senesac, Andrew F. |
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| Author Affiliation: | Associate Professor, Department of Floric. and Ornamental Horticulture, Cornell University, Ithaca, NY; Ext. Weed Scientist, Cornell University, Long Island Horticulture Research Laboratory, Riverhead, NY |
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| Title: | Slender speedwell (Veronica filiformis) control in cool-season turf with quinclorac |
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| Source: | Weed Technology. Vol. 7, No. 2, April-June 1993, p. 390-395. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America. |
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| # of Pages: | 6 |
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| Keywords: | TIC Keywords: Weed control; Veronica filiformis; Quinclorac; Tank mix; Cool season turfgrasses; Festuca rubra; Agrostis stolonifera; Poa pratensis; Lolium perenne; Festuca arundinacea; Resistance
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| Abstract/Contents: | "Experiments were conducted to compare rates and formulations of quinclorac for postemergent control of slender speedwell in cool-season turf. A 50% ae wettable powder formulation (50WP) was compared with two granular formulations, a 1% clay granule (1G) and a 0.4% corn cob granule (0.4G). Each formulation was applied at 0.3, 0.6, 0.8, and 1.1 kg ha-1. Additionally, 2,4-D at 1.1 kg ha-1 was applied alone and in combination with quinclorac 50WP at 0.8 kg ha-1. Slender speedwell control with the 50WP or 0.4G formulations was superior to that obtained with the 1G. At lower rates, slender speedwell control with the 50WP was greater than with the 0.4G; however, the rates required to obtain 95% control were not significantly different. Tank mixing quinclorac 50WP at 0.8 kg ha-1 with 2,4-D at 1.1 kg ha-1 did not improve slender speedwell control but increased roughstalk bluegrass injury. Kentucky bluegrass, perennial ryegrass, and tall fescue were not injured by quinclorac. Roughstalk bluegrass and chewings fescue were temporarily discolored. Turf injury was rate-related and more severe with the 50WP than the 1G formulation." |
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| Language: | English |
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| References: | 16 |
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| Note: | Figures
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Neal, J. C., and A. F. Senesac. 1993. Slender speedwell (Veronica filiformis) control in cool-season turf with quinclorac. Weed Technol. 7(2):p. 390-395. |
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MSU catalog number: SB 610 .W44 |
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