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Comparison of Water Displacement and WinRHIZO Software for Plant Root Parameter Assessment

October 2011 , Volume 95 , Number  10
Pages  1,308 - 1,310

W. Pang, W. T. Crow, J. E. Luc, R. McSorley, and R. M. Giblin-Davis, Entomology and Nematology Department, K. E. Kenworthy, Agronomy Department, and J. K. Kruse, Environmental Horticulture Department, University of Florida, Gainesville 32611



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Accepted for publication 28 March 2011.
Abstract

Water-displacement and WinRHIZO root-scanning methods were compared for efficacy of root damage assessment. Results from both methods were similar and a highly significant relationship was found between the two methods in trial one (r2 = 0.9968, P < 0.0001) and trial two (r2 = 0.9988, P < 0.0001). Both protocols provide consistent root volume measurements; however, water displacement is preferred as an economical method if a quick evaluation of a large amount of roots is essential. For a more detailed root morphological and architectural analysis, WinRHIZO root scanning provides additional information about several root parameters that cannot be measured by simple water displacement.



© 2011 The American Phytopathological Society