Full TGIF Record # 168686
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Web URL(s):http://usgatero.msu.edu/v09/n17.pdf
    Last checked: 09/02/2010
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Publication Type:
i
Report
Author(s):Reinert, James A.; Engelke, M. C.; Heitholt, James J.
Author Affiliation:Reinert: Professor; Engelke: Associate Center Director, Texas AgriLife Research Urban Solutions Center, Texas A&M University, Dallas, TX; Heitholt: Professor and Head, Department of Agricultural Sciences, Texas A&M University, Commerce, TX
Title:Hunting billbug resistance among zoysiagrass cultivars
Source:USGA Turfgrass and Environmental Research Online. Vol. 9, No. 17, September 1 2010, p. [1-11].
Publishing Information:Far Hills, NJ: United States Golf Association, Green Section
# of Pages:13
Keywords:TIC Keywords: Apical dominance; Cultivar evaluation; Cynodon; Dry weight; Injuries by insects; Insect resistance; Leaf firing; Mechanism of resistance; Percent living ground cover; Sphenophorus; Visual evaluation; Zoysia japonica; Zoysia matrella
Abstract/Contents:"Hunting billbugs (Sphenophorus venatus vestitus) damages zoysiagrass (Zoysia spp.) and bermudagrass (Cynodon spp). Damage is often misdiagnosed as drought, disease, or another soil insect. Populations have increased over the past couple of decades causing extensive damage to both of these grasses on golf courses and in lawns and other landscapes. Nine cultivars of zoysiagrass were evaluated for resistance to the hunting billbug in a choice test in field cages. Results include: Leaf firing of plant canopy is considered an above ground expression of root feeding damage by larvae. 'Diamond' and 'Zorro' exhibited significantly less leaf firing damage (a reduction of 6.1 and 9.8%, respectively) than 'Palisades', 'Meyer', and 'Crowne' that exhibited greater than 40% canopy damage with insect infestation. When root, shoot, and total plant dry weights were compared, 'Diamond', 'Zorro', 'Cavalier', and 'Royal' [all Z. matrella (L.) Merr.] sustained less dry weight reduction (<53%) than 'Palisades', 'Meyer', and 'El Toro' (all Z. japonica Steud.) with 76, 74, and 70% total dry weight reduction, respectively. Cultivars of Z. matrella appear to be more resistant as a group than the Z. japonica cultivars which are susceptible."
Language:English
References:31
See Also:See also related article "Zoysiagrass resistance to hunting billbug" Golf Course Management, 79(8) August 2011, p. 84-86, 88, 90, R=187691 R=187691
Note:Summary as abstract
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Reinert, J. A., M. C. Engelke, and J. J. Heitholt. 2010. Hunting billbug resistance among zoysiagrass cultivars. USGA Turfgrass Environ. Res. Online. 9(17):p. [1-11].
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http://usgatero.msu.edu/v09/n17.pdf
    Last checked: 09/02/2010
    Requires: PDF Reader
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