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  1. Gummosis of Prunus & Citrus ...
    By: Butler, Ormond.
    Publication info: n.p.[1911]
    Contributed by: Cornell University Library
    Subjects: Diseases and pests  Fruit  Gummosis  Prune  
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  2. Report on the relative merit of various stocks for the organge, with notes on mal di goma and the mutual influence of stock and scion ...
    Publication info: Washington,Govt. print. off.,1891.
    Contributed by: Library of Congress
    Subjects: Gummosis  Orange stock  
    BHL Collections: Library of Congress
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