Full TGIF Record # 127615
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Web URL(s):http://www.bioone.org/doi/pdf/10.1614/WT-04-168R2.1
    Last checked: 03/15/2010
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http://www.bioone.org/perlserv/?request=get-document&doi=10.1614%2FWT-04-168R2.1
    Last checked: 08/24/2007
Publication Type:
i
Refereed
Author(s):McCullough, Patrick E.; McCarty, Lambert B.; Liu, Haibo
Author Affiliation:McCullough: Former Graduate Assistant; McCarty: Professor; Liu: Associate Professor, Department of Horticulture, Clemson University, Clemson, South Carolina
Title:Response of 'TifEagle' Bermudagrass (Cynodon dactylon x C. transvaalensis) to fenarimol and trinexapac-ethyl
Section:Research
Other records with the "Research" Section
Source:Weed Technology. Vol. 20, No. 1, January-March 2006, p. 1-5.
Publishing Information:Champaign, IL: Weed Science Society of America.
# of Pages:5
Keywords:TIC Keywords: Poa annua; Injuries; Color evaluation; clippings; Hybrid bermudagrasses; Fenarimol; Trinexapac-ethyl; Poa annua control; Spring dead spot; Fungicides; Plant growth regulators; Root growth
Cultivar Names:TifEagle
Abstract/Contents:"Fall applications of fenarimol on hybrid Bermudagrass (Cynodon dactylon X C. transvaalensis) provide effective preemergence Poa annua (L.) control and suppress Ophiosphaerella spp. pathogens; however, concerns exist for turf injury and root growth restrictions. Two 60-d greenhouse studies were conducted to evaluate the effects of fenarimol at 0, 1.6, and 3.2 kg ai/ha per 30 d with and without trinexapac-ethyl (TE) at 0.017 kg ai ha/15 d on 'TifEagle Bermudagrass'. Turf color was enhanced by TE 14 d after initial treatment (DAIT) and was continually superior throughout the experiment. Fenarimol at 3.2 kg/ha per 30 d decreased turf color 14 DAIT, but was similar to nontreated turf on all other observation dates. Increased fenarimol rates applied twice caused approximately 10% injury at 42, 49, and 56 d after treatment; however, injury was acceptable after initial and repeat applications. TE reduced clipping yield an average 39% from six sampling dates. Initial fenarimol applications (without TE) reduced clippings by 37% 20 DAIT and repeated applications reduced clippings 40, 50, and 60 DAIT. Increased fenarimol rate linearly decreased root mass for turf treated with and without TE; however, Bermudagrass receiving TE averaged 23% enhanced root mass 60 DAIT over all fenarimol rates. Bermudagrass receiving fenarimol at 0, 1.6, and 3.2 kg/ ha per 30 d with TE averaged 27, 24, and 16% higher root mass, respectively, compared to turf receiving fenarimol without TE. Treatments had no influence on root length. Results indicate that two consecutive fenarimol applications at 1.6 and 3.2 kg/ha per 30 d may cause minor injury to TifEagle Bermudagrass and restrict root growth. Repeated TE applications, however, could decrease injury from fenarimol and enhance rooting relative to fenarimol applied exclusively."
Language:English
References:17
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McCullough, P. E., L. B. McCarty, and H. Liu. 2006. Response of 'TifEagle' Bermudagrass (Cynodon dactylon x C. transvaalensis) to fenarimol and trinexapac-ethyl. Weed Technol. 20(1):p. 1-5.
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Web URL(s):
http://www.bioone.org/doi/pdf/10.1614/WT-04-168R2.1
    Last checked: 03/15/2010
    Requires: PDF Reader
    Access conditions: Item is within a limited access website
http://www.bioone.org/perlserv/?request=get-document&doi=10.1614%2FWT-04-168R2.1
    Last checked: 08/24/2007
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MSU catalog number: SB 610 .W44
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