. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 1118 Washington, D. C. PROFESSIONAL PAPER January 26,1923 CITRUS SCAB: ITS CAUSE AND CONTROL By JOHN R. WINSTON, Pathologist OflSce of Fruit-Disease Investigations, Bureau of Plant Industry CONTENTS Economic Importance and Distribution of atrosScab 1 Species and Varieties Attacked 3 Description of the Disease 3 Review of the Literature 5 The Causal Organism 8 Pathological Anatomy 12 Dissemination of the Causal Fungus ... 12 Conditions Influendnc Infection 13 Page Gro
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 1118 Washington, D. C. PROFESSIONAL PAPER January 26,1923 CITRUS SCAB: ITS CAUSE AND CONTROL By JOHN R. WINSTON, Pathologist OflSce of Fruit-Disease Investigations, Bureau of Plant Industry CONTENTS Economic Importance and Distribution of atrosScab 1 Species and Varieties Attacked 3 Description of the Disease 3 Review of the Literature 5 The Causal Organism 8 Pathological Anatomy 12 Dissemination of the Causal Fungus ... 12 Conditions Influendnc Infection 13 Page Growth Habits of Grapefruit 20 Disease as Influenced by the Stock ... 21 Adaptation of the Fungus 21 Inoculation Experiments 22 Spraying Experiments 27 Commercial Control 30 Summary 34 Literature Cited 37. WASHINGTON CM>VERNHENT PRINTING OFFICE 192S. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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