216 Watson et al.: Management of Tree Root Systems in Urban and Suburban Settings Watson, G.W., and E.B. Himelick. 2004. Effects of soil pH, root density, and tree growth regulator treatments on pin oak chlorosis. Journal of Arboriculture 30:172–177. Watson, G.W., and G. Kupkowski. 1991. Effects of a deep layer of mulch on the soil environment and tree root growth. Journal of Arboriculture 17:243–245. Watson, G.W., and P. Kelsey. 2006. The impact of soil compac- tion on soil aeration and fine root density of Quercus palustris. Urban Forestry & Urban Greening 4:69–74. Watson, G.W., P. Kelsey, and K. Woodtli. 1996. Replacing soil in the root zone of mature trees for better growth. Journal of Arbori- culture 22:167–172. Weaver, M. J., and R.J. Stipes. 1988. White pine decline: A case study from Virginia landscapes. Journal of Arboriculture 14:109–120. Webster, D.H. 1978. Soil conditions associated with absence or sparse development of apple roots. Canadian Journal of Plant Science 58:961–969. Weltecke, K., and T. Gaertig 2012. Influence of soil aeration on root- ing and growth of the Beuys-trees in Kassel, Germany. Urban Forestry & Urban Greening 11:329–338. Wester, H.V., and E.E. Cohen. 1968. Salt damage to vegetation in the Washington, D.C. area during the 1966–67 winter. Plant Disease Reporter 52:350–354. White, R.M. 1973. Plant tolerance for standing water: An assessment. Cornell Plantations 28:50–52. Whitlow, T.H., and R.W. Harris. 1979. Flood Tolerance in Plants: A State-of-the-Art Review. Vicksburg, Mississippi, U.S. Army En- gineer Waterways Experiment. Station Tech. Rpt. E-79-2. 161 pp. Williamson, J. R., and W.A. Neilsen. 2003. The effect of soil com- paction, profile disturbance, and fertilizer application on the growth of eucalypt seedlings in two glasshouse studies. Soil & Tillage Research 71:95–107. Winkelmann, M., and A.D. Kendle. 1996. The effect of hydro- philic polyacrylamide gels on establishment of woody plants under droughted and saline conditions. Arboricultural Journal 20:387–404. Wiseman P.E., and C.E. Wells. 2005. Soil inoculum potential and arbuscular mycorrhizal colonization of Acer rubrum in forested and developed landscapes. Journal of Arboriculture 31:296–302. Wiseman P.E., and C.E. Wells. 2009. Arbuscular mycorrhizal inocu- lation affects root development of Acer and Magnolia species. Journal of Environmental Horticulture 27:70–79. Wiseman, P.E, K.H. Colvin, and C.E. Wells. 2009. Performance of mycorrhizal products marketed for woody landscape plants. Journal of Environmental Horticulture 27:41–50. Wong, T.L., R.W. Harris, and R.E. Fissell. 1971. Influence of high soil temperatures on five woody-plant species. Journal of Amer- ican Society of Horticultural Science 96:80–82. World Meteorological Organization. 2008. WMO guide to meteo- rological instruments and methods of observation WMO-No. 8 (seventh edition). Accessed 05/21/2013.
Worrall, J. 2004. Armillaria root disease. The Plant Health Instruc- tor. Accessed 05/21/2013. DOI:10.1094/PHI-I-2004-0706-01. Wright, A.N., S.L. Warren, and F.A. Blazich. 2007. Effect of root- zone temperature on survival, growth, and root morphology of Kalmia latifolia and Ilex crenata ‘Compacta’. Journal of Environ- mental Horticulture 25:73–77. Wright, R.A., R.W. Wein, and B.P. Dancik. 1992. Population differ- entiation in seedling root size between adjacent stands of jack pine. Forest Science 38:777–785. Yang, J., F. Zhang, Y. Zhao, W. Ruan, and Y. He. 2005. Application and comparison of soil compaction indexes in the evaluation of urban soils. Transactions of the Chinese Society of Agricultural Engineering 21:51–55. Yelenosky, G. 1963. Soil aeration and tree growth. Proceedings of the International Shade Tree Conference 39:16–25. Yelenosky, G. 1964. Tolerance of trees to deficiencies of soil aera- tion. Proceedings of the International Shade Tree Conference 40:27–147. Youngberg, C.T. 1959. The influence of soil conditions following tractor logging on growth of planted Douglas-fir. Proceedings of the Soil Science Society of America 23:76–78. Zisa, R.P., H.G. Halverson, and B.B. Stout. 1980. Establishment and early growth of conifers on compact soils in urban areas. Forest Service Research Paper NE-451. 8 pp. Gary W. Watson (corresponding author) The Morton Arboretum 4100 Illinois Route 53 Lisle, Illinois 60532, U.S. [email protected] Angela M. Hewitt The Morton Arboretum 4100 Illinois Route 53 Lisle, Illinois 60532, U.S. Melissa Custic The Morton Arboretum 4100 Illinois Route 53 Lisle, Illinois 60532, U.S. Marvin Lo The Morton Arboretum 4100 Illinois Route 53 Lisle, Illinois 60532, U.S. ©2014 International Society of Arboriculture
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