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DOI: | 10.1002/ps.934 |
Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1002/ps.934/full Last checked: 02/07/2014 Access conditions: Item is within a limited-access website http://onlinelibrary.wiley.com/doi/10.1002/ps.934/pdf Last checked: 02/07/2014 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Webster, Theodore M.;
Hanna, Wayne W.;
Jullinix, Jenjamin G. Jr. |
Author Affiliation: | Webster: Crop Protection Management Research Unit, USDA-ARS, Tifton, Georgia; Hanna: Crop Breeding and Genetics Research Unit, USDA-ARS, Tifton Georgia; Mullinix: Experimental Statistics, University of Georgia, Tifton Georgia; |
Title: | Bermudagrass (Cyndon spp) dose-response relationships with clethodim, glufosinate and glyphosate |
Source: | Pest Management Science. Vol. 61, No. 21, December 2004, p. 1237-1244. |
Publishing Information: | London: for the Society of Chemical Industry by John Wiley & Sons |
# of Pages: | 8 |
Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1002/ps.934/abstract Last checked: 02/07/2014 Notes: Abstract only |
Keywords: | TIC Keywords: Cynodon; Clethodim; Glufosinate; Glyphosate; Hybrid bermudagrasses; Cynodon dactylon; Cynodon transvaalensis; Application rates
|
Cultivar Names: | TifSport; Tifway |
Abstract/Contents: | "Greenhouse studies were conducted to evaluate the sensitivity of three commercial cultivars, eight experimental cultivars and common bermudagrass to clethodim, glufosinate and glyphosate. Each herbicide was applied at eight doses. Data were regressed on herbicide dose using a log-logistic curve (R2 = 0.56 - 0.95 for clethodim, R2 = 0.60 - 0.94 for glufosinate, and R2 = 0.70 - 0.96 for glyphosate). The herbicide rate that elicited a 50% plant response (I50) in the bermudagrass cultivars ranged from 0.04 to 0.19 kg ha-1 clethodim, 0.19 to 1.33 kg ha-1 glufosinate and 0.34 to 1.14 kg ha-1 glyphosate. Relative to other cultivars, common bermudagrass was intermediate in its response to clethodim and among the most tolderant cultivars to glufosinate and glyphosate. Tifsport wsa relatively tolerant to clethodim and glufosinate compared with other cultivars, but relatively sensitive to glyphosate. One cultivar, 94-437, was consistently among the most sensitive cultivars to each of the herbicides. While there were differential herbicide tolerances among the tested bermudagrass cultivars, there did not appear to be any naturally occurring herbicide resistance that could be commercially utilized. However, research indicated that breeding efforts should target herbicide resistance that is at least four times the registered use rate. Also, TifSport and Tifway have been identified as suitable representatives of triploid hybrid bermudagrass cultivars to be used to evaluate the success of turfgrass renovation programs." |
Language: | English |
References: | 41 |
Note: | Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Hanna, W. W., Benjamin G. Jr. Mullinix, and T. M. Webster. 2004. Bermudagrass (Cyndon spp) dose-response relationships with clethodim, glufosinate and glyphosate. Pest Manage. Sci. 61(21):p. 1237-1244. |
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| DOI: 10.1002/ps.934 |
| Web URL(s): http://onlinelibrary.wiley.com/doi/10.1002/ps.934/full Last checked: 02/07/2014 Access conditions: Item is within a limited-access website http://onlinelibrary.wiley.com/doi/10.1002/ps.934/pdf Last checked: 02/07/2014 Requires: PDF Reader Access conditions: Item is within a limited-access website |
| MSU catalog number: SB 951 .A1 P45 |
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