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  1. Crown-gall of alfalfa ...
    By: Wilson, Orville Turner,
    Publication info: Chicago,1920
    Contributed by: Library of Congress
    Subjects: Alfalfa  Crown-gall disease  Diseases and pests  
    BHL Collections: Library of Congress
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  2. Field studies of the crown-gall and hairy-root of the apple-tree /
    By: Hedgcock, George G.
    Publication info: Washington,G.P.O.,1910.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Apples  Crown-gall disease  Diseases and pests  Hairy-root disease  
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  3. A method for the control of crown gall in the apple nursery /
    By: Waite, M. B. - Siegler, E. A.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1926.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Apples  Crown-gall disease  Diseases and pests  Internet resource  
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