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| Web URL(s): | http://www.newss.org/proceedings/proceedings_1997_vol51.pdf#page=43
Last checked: 07/24/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Watschke, T. L.;
Borger, J. A. |
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| Author Affiliation: | Professor and Research Assistant, Department of Agronomy, Penn State University |
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| Title: | Pre/post crabgrass control as two growth stages |
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| Meeting Info.: | Newport, RI; January 6-9, 1997 |
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| Source: | Proceedings of the 51st Annual Meeting of the Northeastern Weed Science Society. Vol. 51, 1997, p. 43. |
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| Publishing Information: | College Park, MD: Northeastern Weed Science Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Application timing; Crabgrass control; Digitaria ischaemum; Growth stages; Herbicide efficacy; Herbicide evaluation; Lolium perenne; Postemergence weed control; Preemergence weed control
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| Abstract/Contents: | "Two experiments were conducted in 1996 to evaluate the control of smooth crabgrass after emergence into a mature stand of predominately perennial ryegrass (Lolium perenne L.) turf. One study was conducted when the crabgrass was in the pre-tillering stage (application made on June 20 with sequential applications for selected treatments 14 days later). A second study was initiated on July 1 (after crabgrass had begun to tiller). Treatments were applied using a hand-held boom CO₂ powered sprayer with two 6504 nozzles at 30 psi calibrated to deliver 80 gpa. All experiments were rated for crabgrass control on August 20, 1996. Treatments that provided acceptable control (85%) where crabgrass was in the pre-tillerin stage included pendimethalin and fenoxaprop combinations (individual rates disclosed). Both the low and high rate treatments provided acceptable control. Dithiopyr at 0.5 lbs ai/A and MSMA at 2.0 lbs ai/A followed by another 2.0 lbs ai/A 14 days later did not control crabgrass at an acceptable level (70% and 75%, respectively). Fenoxaprop and fenoxaprop Extra did not control crabgrass acceptably, although fenoxaprop did provide 82% control at 0.12 lbs ai/A. In the post-tillering experiment, the pendimethalin/fenoxaprop combination controlled crabgrass at an acceptable level. However, fenoxaprop at 0.18 and fenoxaprop Extra did provide acceptable control." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Watschke, T. L., and J. A. Borger. 1997. Pre/post crabgrass control as two growth stages. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 51:p. 43. |
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| Web URL(s):
http://www.newss.org/proceedings/proceedings_1997_vol51.pdf#page=43
Last checked: 07/24/2013
Requires: PDF Reader
Notes: Item is within a single large file |
| 
MSU catalog number: SB 610 .N62 v. 51 |
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