5 books for « hedgcock george g »Edit

‎The crown-gall and hairy-root diseases of the apple tree. ‎

‎Washington D. C., Government Printing Office, 1905 ; 147 x 231 mm, 8 pp. + 3 pl. hors-texte, doubles-feuilles et feuille agrafées. En langue anglaise. U. S. Department of Agriculture, Bureau of Plant Industry. Bulletin No. 90, Part II. November 17, 1905. Bon état.‎

‎The cross-inoculation of fruit trees and shrubs with crown-gall, pagination 21 à 23. ‎

‎Washington D. C., Government Printing Office, 1908 ; 147 x 230 mm, 8 pp., doubles-feuilles agrafées. En langue anglaise. U. S. Department of Agriculture, Bureau of Plant Industry. Bulletin No. 131, Part III. March 16, 1908. Bon état.‎

‎Some stem tumors or knots on apple and quince trees. ‎

‎Washington D. C., Government Printing Office, 1908 ; 150 x 233 mm, 16 pp., doubles-feuilles agrafées. En langue anglaise. U. S. Department of Agriculture, Bureau of Plant Industry. Circular No. 3. May 11, 1908. Bon état.‎

‎Sammlung von 4 Schriften.‎

‎8°.‎

‎I: Und Schrenk, Hermann von: The Wrapping of Apple Grafts and ists Relation to the Crown-Gall Desease. 12 S. Washington, 1906. - II: A New Method Mounting Fungi Grown in Cultures for the Herbarium. 1 S. 1906. - III: Proof of the Identity of Phoma and Phyllosticta on the Sugar Beet. 3 S. (Mit handschr. Widm. des Verf.). - IV: Some Wood Staining Fungi from Various Localities in the United States. S. 201-210. = Reprinted from the "Journal of Mycology", 12 1906. - Mit Sammlungs-Nr. auf den Umschlägen.‎

‎Field Studies of the Crown-Gall of the Grape.‎

‎Washington, Government Printing Office, 1910. 8°. 40 S. Mit 4 Tafeln. Orig.-Broschur (leicht gebräunt).‎

‎Mit einer handschriftlichen Widmung des Autors auf dem Umschlag.‎