V' 
Vol. XXIII 
MARCH 10, 1923 
No. 10 
' : ,/ 'CONTENTS . 
V, ' ~ : - \ Fsgs 
Investigations of the Rosette Disease of. Wheat and Its Control - 771 
^ . . V ■ IIARQLD H. McKINNEY ~ ^ ■ 
(Contribution from Bureau of Plant Industry, and Wisconsin* Illinois, and Indiana 
• , Agricultural Experiment Stations) 
Accumulation of Aluminum and Iron Compounds in Corn Plants 
and Its Probable Relation to Rootrots - - - - 801 
G. N. HOFFER and R. H. CARR 
( Contribution from Bureau o! Plant Industry and Indiana Agricultural Experiment Station ) 
Production of a Growth-Promoting Substance by Azofobacter - J825 
0 .,W. HUNTER; . ^ • 
( Contribution from Kansas Agricultural Experiment Station ) 
Sclerotinia carunculoides, the Cause of a Serious Disease of the 
Mulberry . - - -- - r - - - - 833 
; ' V' . ' EUGENE A. SIEGEER and ANNA E. JENKINS : - ' , r . - 
. - ” (Contribution from Bureau of Plant Industry) >' , 
PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE 
WITH THE OOPERAUON OF TOE ASSOCIATION r ' 
• , OF LAND-GRANT COLLEGES ; ■■ ■ 
WASHINGTON, D; C. 
GOVERNMENT PRINTING OIIICB 
1923 
