UNITED STATES DEPARTMENT OF AGRICULTURE 
BULLETIN No. 395 
Contribution from the Bureau of Plant Industry 
WM. A. TAYLOR, Chief 
Washington, D. C. 
PROFESSIONAL PAPER 
January 18, 1917 
PEACH SCAB AND ITS CONTROL 
By 
G. W. KEITT, formerly Scientific Assistant- 
Fruit-Disease Investigations "*■*•-»«. 
CONTENTS 
Introduction 
The Disease 
Geographic Distribution 
Economic Importance . 
Description . . „ . . 
Pathological Histology . 
Page 
l 
3 
3 
4 
Page 
The Causal Organism 11 
Life History of the Causal Organism in 
Relation to Pathogenesis 32 
Control Measures 46 
Summary 61 
Literature Cited . 64 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1917 
