UNITED STATES DEPARTMENT OF AGRICULTURE 
DEPARTMENT BULLETIN No. 1248 
Washington, D. C. Y September 8, 1924 
SIZE OF POTATO SETS: COMPARISONS OF * 
WHOLE AND CUT SEED 
WII1IAM STUART, P. M. LOMBARD, MARGARET CONNOR VOSBURY 
G. CORDER, W. C. EDMUNDSON, C. F. CLARK, and G. W. DEWEY 
Office of Horticultural Investigations, Bureau of Plant Industry 
CONTENTS 
Page 
Introduction 1 
Early Experimental Studies 2 
Departmental Studies of the Size of the Set 15 
Experiments at the Virginia Truck Experiment Station 17 
Studies at Caribou and Presque Isle, Me. 19 
Experiments at the Colorado Potato Experiment Station 24 
Experiments at Jerome, Idaho 26 
Comparative Yields from Sets of the Same Weight 27 
Relation of Size of Set to Number of Stems and Tubers Produced 29 
Frequency Correlations of Stems 32 
Summary 35 
Literature Cited 38 
WASHINGTON 
GOYERNMENT PRINTING OFFICE 
1924 
