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Bradley S. Sladek, Gerald M. Henry, and Dick L. Auld

artificial shade conditions. Materials and Methods Experiments were conducted in 2006 and 2007 at the Texas Tech University Horticulture Greenhouse in Lubbock, TX. Plugs measuring 2.5 cm 2 of six zoysiagrass genotypes [ Zoysia japonica Steud. genotype

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B.G. Wherley, P. Skulkaew, A. Chandra, A.D. Genovesi, and M.C. Engelke

12 465 469 Giesler, L.J. Yuen, G.Y. Horst, G.L. 2000 Canopy microenvironments and applied bacteria population dynamics in shaded tall fescue Crop Sci. 40 1325 1332 Hart, S.W. DeFrance, J.A. 1955 Behavior of Zoysia japonica ‘Meyer’ in cool

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Suleiman S. Bughrara, David R. Smitley, and David Cappaert

Six grass species representing vegetative and seeded types of native, warm-season and cool-season grasses, and pennsylvania sedge (Carex pensylvanica) were evaluated in the greenhouse for resistance to root-feeding grubs of european chafer (Rhizotrogus majalis). Potted bermudagrass (Cynodon dactylon), buffalograss (Buchlöe dactyloides), zoysiagrass (Zoysia japonica), indiangrass (Sorghastrum nutans), little bluestem (Schizachyrium scoparium), tall fescue (Festuca arundinacea), and pennsylvania sedge grown in a greenhouse were infested at the root zone with 84 grubs per 0.1 m2 or 182 grubs per 0.1 m2. The effects on plant growth, root loss, survival, and weight gain of grubs were determined. Survival rates were similar for low and high grub densities. With comparable densities of grubs, root loss tended to be proportionately less in zoysiagrass and bermudagrass than in other species. European chafer grubs caused greater root loss at higher densities. Grub weight gain and percentage recovery decreased with increasing grub density, suggesting a food limitation even though root systems were not completely devoured. Bermudagrass root weight showed greater tolerance to european chafer grubs; another mechanism is likely involved for zoysiagrass. Variation in susceptibility of plant species to european chafer suggests that differences in the ability of the plants to withstand grub feeding damage may be amenable to improvement by plant selection and breeding.

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Thomas E. Eickhoff, Tiffany M. Heng-Moss, and Frederick P. Baxendale

). Although the original report of B. occiduus as a turfgrass pest was on buffalograss [ Buchloë dactyloides (Nutall) Engelmann], ( Baxendale et al., 1999 ) it has since emerged as a serious pest of zoysiagrass ( Zoysia japonica Steudel) turf in areas of

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Jack D. Fry and Raymond A. Cloyd

Entomology, Kansas State University, Manhattan, KS) identified all the bluegrass billbug larvae collected from the study area at the Rocky Ford Turfgrass Research Center (Manhattan, KS) during the course of the study. We evaluated ‘Meyer’ ( Zoysia japonica

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Qi Zhang, Jack Fry, Channa Rajashekar, Dale Bremer, and Milton Engelke

. Chem. 277 31994 32002 Zhang, Q. Fry, J. Pan, X. Rajashekar, C. Bremer, D. Engelke, M. Wang, X. 2009 Cold acclimation of Zoysia japonica and Z. matrella and changes in

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Maria P. Fuentealba, Jing Zhang, Kevin E. Kenworthy, John E. Erickson, Jason Kruse, and Laurie E. Trenholm

letter are not different at 0.05 P value. AB = African bermudagrass (n = 160); CB = common bermudagrass (n = 480); ZJ = Zoysia japonica (n = 400); ZM = Zoysia matrella (n = 320). Fig. 3. The confidence intervals (at 0.05 P level) of the rate of

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John E. Erickson and Kevin E. Kenworthy

environments. Therefore, the objectives of the current study were to evaluate the effects of N fertilization and light environment on relations among growth, carbon assimilation, water use, and WUE of two coarse-textured Zoysia japonica Steud. genotypes

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Qi Zhang, Kevin Rue, and Jeanna Mueller

were included in this study: four cool-season grasses, ‘Stonewall’ tall fescue ( Festuca arundinacea Schreb.) (TF), ‘L-93’ CB, ‘Kenblue’ KB, and ‘Zoom’ PR, and two warm-season grasses, ‘Zenith’ zoysiagrass ( Zoysia japonica Steud.) (ZOY) and ‘Riviera

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Antonio Pompeiano, Nicola Grossi, and Marco Volterrani

, M. Lulli, F. Grossi, N. Magni, S. 2008 Zoysiagrass stolon activity during establishment Proc. 1st European Turfgrass Soc. Conf 149 150 Richardson, M.D. Boyd, J.W. 2001 Establishing Zoysia japonica from sprigs: Effects of topdressing and nitrogen