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DOI:10.21273/HORTSCI.39.7.1768
Web URL(s):https://journals.ashs.org/hortsci/view/journals/hortsci/39/7/article-p1768.xml?rskey=Gjm91p
    Last checked: 11/19/2019
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Publication Type:
i
Refereed
Author(s):Henry, Gerald M.; Hart, Stephen E.
Author Affiliation:Department of Plant Biology and Pathology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey
Title:Velvet and creeping bentgrass tolerance to fenoxaprop
Section:Turf management
Other records with the "Turf management" Section
Source:HortScience. Vol. 39, No. 7, December 2004, p. 1768-1770.
# of Pages:3
Publishing Information:Alexandria, VA: American Society for Horticultural Science
Keywords:TIC Keywords: Agrostis canina; Fenoxaprop-ethyl; Growth retardation; Growth studies; Herbicide evaluation; Herbicide resistance
Abstract/Contents:"The tolerance of velvet bentgrass (Agrostis canina L.) to the herbicide fenoxaprop is not known. In greenhouse experiments velvet bentgrass cultivars SR7200 and Vesper had a much greater degree of tolerance to fenoxaprop at rates ranging from 0.01 to 0.30 kg*ha-1 relative to L-93 creeping bentgrass (Agrostis stolonifera L.). SR7200 and Vesper were tolerant to fenoxaprop at 0.15 kg*ha-1 or lower and growth reductions did not exceed 10% at the highest fenoxaprop rate of 0.30 kg*ha-1. In contrast, growth reduction of L-93 creeping bentgrass was evident at the lowest application of fenoxaprop at 0.01 kg*ha-1 and increased as fenoxaprop rates increased, reaching as high 58% at 0.30 kg*ha-1. Field experiments were conducted in 2002 and 2003 to compare the tolerance of established SR7200 velvet bentgrass and Penn A-4 creeping bentgrass maintained at 3.2 mm to three sequential applications at 21 day intervals of fenoxaprop at 0.02, 0.04, and 0.07 kg*ha-1. Turf quality of SR7200 was equal to the untreated following all fenoxaprop applications except the third sequential application at 0.07 kg*ha-1. Penn A-4 turf quality was consistently reduced compared to the untreated following fenoxaprop applications of 0.04 and 0.07 kg*ha-1. Turf density of SR7200 was not affected by three sequential applications of fenoxaprop at 0.02 and 0.04 kg*ha-1 but was reduced by 8% at 0.07 kg*ha-1. Penn A-4 turf density was reduced by 10 and 33% following three sequential applications of fenoxaprop at 0.04 and 0.07 kg*ha-1, respectively. Results from these studies showed that the velvet bentgrass cultivars were more tolerant to fenoxaprop, compared to the creeping bentgrass cultivars evaluated."
Language:English
References:18
Note:Tables
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Henry, G. M., and S. E. Hart. 2004. Velvet and creeping bentgrass tolerance to fenoxaprop. HortScience. 39(7):p. 1768-1770.
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DOI: 10.21273/HORTSCI.39.7.1768
Web URL(s):
https://journals.ashs.org/hortsci/view/journals/hortsci/39/7/article-p1768.xml?rskey=Gjm91p
    Last checked: 11/19/2019
    Requires: PDF Reader
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MSU catalog number: SB 1 .H64
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