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  1. Black rot, leaf spot and canker of pomaceous fruits / L.R. Hesler.
    By: Hesler, L. R.
    Publication info: Ithaca, N.Y. :Cornell University,1916.
    Contributed by: Library of Congress
    Subjects: Apples  Black rot  Canker (Plant disease)  Diseases and pests  Leaf spots  
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  2. Experiments with blister canker of apple trees / by H.W. Anderson.
    By: Anderson, H. W.
    Publication info: Urbana, Ill. :University of Illinois Agricultural Experiment Station,1930.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Apples  Canker (Plant disease)  Diseases and pests  
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  3. Fruit-trees and black-spot canker
    By: Carpenter, J. F. - British Columbia.
    Publication info: Victoria, B.C. :W.H. Cullin,1911.
    Contributed by: Canadiana.org (archive.org)
    Subjects: Canker (Plant disease)  Diseases and pests  Fruit  
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