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Letter to the Editor

Modeling Rhizosphere Infection. C. A. Gilligan, University demonstrator in applied botany, Department of Applied Biology, University of Cambridge, Pembroke Street, Cambridge, CB2 3DX, England; Phytopathology 69:782. Accepted for publication 22 June 1979. Copyright 1979 The American Phytopathological Society. DOI: 10.1094/Phyto-69-782.