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| Web URL(s): | https://archive.lib.msu.edu/tic/its/articles/2001jou1009.pdf
Last checked: 08/05/2010
Requires: PDF Reader |
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| Publication Type:
| Refereed |
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| Author(s): | Fry, J.;
Rodie, S.;
Gaussoin, R.;
Wiest, S.;
Upham, W.;
Zuk, A. |
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| Author Affiliation: | Fry, Wiest, Upham, Zuk: Department of Horticulture, Forestry and Recreation Resources, Kansas State University, Manhattan, KS; Rodie, Gaussoin, Department of Agronomy and Horticulture, University of Nebraska, Lincoln, NE |
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| Title: | Using flowering ornamentals to guide application of preemergence herbicides in the Midwestern U.S. |
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| Section: | Turfgrass weeds
Other records with the "Turfgrass weeds" Section
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| Meeting Info.: | Toronto, Ontario, Canada: July 2001 |
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| Source: | International Turfgrass Society Research Journal. Vol. 9, No. Part 2, 2001, p. 1009-1012. |
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| Publishing Information: | Oakville, Ontario, Canada: International Turfgrass Society |
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| # of Pages: | 4 |
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| Keywords: | TIC Keywords: Ornamental plants; Flowers; Preemergence herbicides; Crabgrass control; Application timing
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| Geographic Terms: | Mideastern United States |
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| Abstract/Contents: | "Accurate determination of the date of initial crabgrass (Digitaria spp.) emergence would allow applicators to attain optimum efficacy from some short-residual preemergence herbicides. In this study, 11 flowering ornamentals were surveyed for bloom withering over three springs in Lincoln, NE and Manhattan, KS and these dates were compared to a date 2 weeks prior to observed crabgrass emergence (hypothetical date for preemergence herbicide application) in bare soil or thin turf at each location. The earliest crabgrass emerged in bare soil was 15 April, 1995 in Manhattan, and the latest was in thin turf on 17 June, 1997 in Lincoln. Herbicide application dates predicted by withering differed substantially between Lincoln and Manhattan. These differences were not mitigated by adjusting the time from withering to application date by growing degree days (GDDs). Thus, factors other than temperature were probably influencing the results. Those ornamentals whose flower withering most consistently predicted preemergence herbicide application date in bare soil were daffodil (Narcissus spp.), callery pear (Pyrus calleryana Decne.), and lilac (Syringa vulgaris L.), whereas those whose flower withering were most precise in predicting application date in thin turf were daffodil, redbud (Cercis canadensis L.), and lilac. Although flower withering was not a precise measure of preemergence herbicide application date, its use would likely result in a better estimate than basing application upon a routine calendar date or a 'best guess.'" |
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| Language: | English |
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| References: | 8 |
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| Note: | Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Fry, J., S. Rodie, R. Gaussoin, S. Wiest, W. Upham, and A. Zuk. 2001. Using flowering ornamentals to guide application of preemergence herbicides in the Midwestern U.S.. Int. Turfgrass Soc. Res. J. 9(Part 2):p. 1009-1012. |
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| Web URL(s):
https://archive.lib.msu.edu/tic/its/articles/2001jou1009.pdf
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MSU catalog number: SB 433 .I52 v. 9 |
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