UNITED STATES DEPARTMENT OF AGRICULTURE 
BULLETIN No. 1046 
Contribution from the Bureau of Plant Industry, WM. A. TAYLOR, Chief, 
in cooperation with the Kansas Agricultural Experiment Station 
Washington, D.C. Vv May, 1922 
RUST RESISTANCE 
IN WINTER-WHEAT VARIETIES 
By 
LEO E. MELCHERS, Plant Pathologist, and JOHN H. PARKER, 
in Charge of Crop Improvement, Kansas Agricultural Experiment 
Station ; Agents, Office of Cereal Investigations 
CONTENTS 
Scope of the Investigation = - - = . 4 2 eer s - fe 1 
Meview of the Literature: =. 0. 5 eh le al Se we ee ee 2 
Nursery Experiments - : : 2 * . > = x = < = 4 
Greenhouse Experiments . 5 sughite ee - Sys ai Ye 
Comparison of Nursery and Grecnhouse Resulta Beg WAS, lhc? alts Sie) adits URE Melt yeaa 
Evidence of Specific Rust Resistance . | STE POMIR, (uel ary ae lott haut hel 
' Agronomic Value of Kanred Wheat ee cal Re alk Sov igc GRR pratense 
Summary 5 - - 3 A ~ = 4 A Bie ihe . . ah pied 
Literature Cited . ee PAC Ib cw at etal oat Rime ty a, speci ahh hae a 
mace 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1922 
