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Web URL(s): | http://www.newss.org/proceedings/proceedings_1998_vol52.pdf#page=42 Last checked: 07/24/2013 Requires: PDF Reader Notes: Item is within a single large file |
Publication Type:
| Report |
Content Type: | Abstract or Summary only |
Author(s): | Watschke, T. L.;
Borger, J. A. |
Author Affiliation: | Professor and Research Assistant, Department of Agronomy, Penn State University, University Park, PA, 16802. |
Title: | The effect of fall applied preemergence herbicides on spring bentgrass overseeding |
Section: | Turfgrass and plant growth regulators Tuesday-January 6, 1998 Other records with the "Turfgrass and plant growth regulators Tuesday-January 6, 1998" Section
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Meeting Info.: | Washington, DC: January 5-8, 1998 |
Source: | Proceedings of the 52nd Annual Meeting of the Northeastern Weed Science Society. Vol. 52, 1998, p. 42. |
Publishing Information: | College Park, MD: Northeastern Weed Science Society |
# of Pages: | 1 |
Keywords: | TIC Keywords: Agrostis stolonifera; Application timing; Dithiopyr; Festuca arundinacea; Germination; Herbicide evaluation; Overseeding; Preemergence herbicides; Prodiamine; Spring maintenance
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Cultivar Names: | Penneagle |
Abstract/Contents: | "This study was conducted on a mature stand of tall fescue (Festuca arundinacea, Schreb.) at the Valentine Turfgrass Research Center, Penn State University, University Park, PA. The objective of the study was to determine the effect of fall applications of two rates of prodiamine (0.65 and 0.75 lbs ai/A) and two formulations of dithiopyr (1 EC and AD 445 0.2 G) on the establishment of 'Penneagle' creeping bentgrass (Agrostis stolonifera) seeded into the treated areas the following spring. All of the treatments were applied on November 7, 1996, using a three foot CO₂ powered boom sprayer calibrated to deliver 80 GPA using two, flat fan, 6504 nozzles at 30 psi. The turf had been mowed to 0.5" just prior to application and was dry. The test site was maintained using normal practices for irrigation, mowing, and fertilizer until glyphosate was sprayed on April 29. 1997 to simulate winter kill. On May 21, 1997 the test site was prepared by dividing each replicaiton (plot size 3' by 15') into three sections (plot size 3' by 5'). One section had three passes made using 3/4" hollow tine aerification, two passes made verticutting and a slit seeding 0.125 lb/M Penneagle creeping bentgrass seed, and one pass with a drop spreader applying 0.25 lb/M Penneagle bentgrass seed. Another section had three passes made using 3/4" hollow tine aerification, three passes made verticutting wtihout slit seeding, and two passes with a drop spreader applying 0.25 lb/M each pass of Penneagle creeping bentgrass seed. The last section of plot had no aerification, three passes made verticutting with slit seeding 0.17 lb/M Penneagle creeping bentgrass seed, and no drop seeding. In addition to the seeding the test site received 1 lb N/M from a 10-20-20 Ag grade fertilizer. Germination was observed in the check within one week of seeding. Germination was slower and reduced to varying degress in all treated plots. The percent ground cover of each plot was rated on July 17, 1997. All treatments caused a significant decrease in plot cover compared to the checks. There were no differences found in all the comparisons of renovation and overseeding methods. With regard to dithropyr, the granular formulation caused a significantly greater stand reduction than did the emulsified formulation. No significant difference were found between the two rates or prodiamine." |
Language: | English |
References: | 0 |
Note: | This item is an abstract only! |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Watschke, T. L., and J. A. Borger. 1998. The effect of fall applied preemergence herbicides on spring bentgrass overseeding. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 52:p. 42. |
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| Web URL(s): http://www.newss.org/proceedings/proceedings_1998_vol52.pdf#page=42 Last checked: 07/24/2013 Requires: PDF Reader Notes: Item is within a single large file |
| MSU catalog number: SB 610 .N62 v. 52 |
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