Full TGIF Record # 151170
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Web URL(s):https://archive.lib.msu.edu/tic/its/articles/2009jou639.pdf
    Last checked: 10/18/2011
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Publication Type:
i
Refereed
Author(s):Hale, Trent C.; Reinert, James A.; White, Richard H.
Author Affiliation:Reinert: Texas AgriLife Research and Extension Urban Solution Center, Texas A&M System, Dallas, Texas; White: Department of Soil and Crop Sciences, Texas A&M University, College Station, Texas
Title:Resistance of zoysiagrass (Zoysia spp.) to fall armyworm (Lepidoptera: Noctuidae): Leaf tensile strength and cell wall components
Section:Pests (insects/nematodes)
Other records with the "Pests (insects/nematodes)" Section
Meeting Info.:Santiago, Chile: July 26-30 2009
Source:International Turfgrass Society Research Journal. Vol. 11, No. Part 1, 2009, p. 639-648.
Publishing Information:Madison, WI: International Turfgrass Society
# of Pages:10
Keywords:TIC Keywords: Host plant resistance; Insect resistance; Leaf sheath; Plant anatomy; Spodoptera frugiperda; Strength testing; Zoysia
Abstract/Contents:"Leaf toughness and high levels of detergent fiber, lignin and silica in leaf sheaths have been associated with insect resistance in many crops. Experiments were conducted on the effects of sample date and level of N treatment on the concentrations of lignin and silica and on tensile strength of zoysiagrasses (Zoysia spp.) leaves to compare their relationship to fall armyworm [Spodoptera frugiperda (J. E. Smith)] host resistance. Six zoysiagrass cultivars 'Cavalier', 'Crowne', 'Emerald', 'El Toro', 'Meyer' and 'Palisades' were planted on a fine, montmorillontic, thermic Vertic Albaqualfs soil at the Texas A&M University Turfgrass Field Laboratory in College Station, TX. A randomized split-plot design with four replications and with N applied as (NH4)2SO4 at 12.2 kg and 48.9 kg of N ha-1 month-1 throughout the growing season was used. Fiber analysis supported literature reports that cell wall structural components are associated with insect resistance. This study demonstrated that lignin concentration and leaf tensile strength were positively correlated with fall armyworm mortality determined by two types of feeding experiments and that cell wall and hemicellulose concentration in these Zoysia cultivars were positively correlated with applied N."
Language:English
References:16
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hale, T. C., J. A. Reinert, and R. H. White. 2009. Resistance of zoysiagrass (Zoysia spp.) to fall armyworm (Lepidoptera: Noctuidae): Leaf tensile strength and cell wall components. Int. Turfgrass Soc. Res. J. 11(Part 1):p. 639-648.
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https://archive.lib.msu.edu/tic/its/articles/2009jou639.pdf
    Last checked: 10/18/2011
    Requires: PDF Reader
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