"Vol. XXII NOVE^^BER 26, 1921 No. 9 



JOURNAL OF 



AGRICULTURAIy 

 RESEARCH 



CONXENXS 



Page 



Temperature Relations of .Stone Fruit Fungi - - - 4S1 



CHARLES BROOKS and J. S. COOLEY 



(Contribution from Bureau of Plant Industry ) 



Transportation Rots of Stone Fruits as Influenced by 

 Orchard Spraying - - --- - - " 467 



CHARLES BROOKS and D. F. FISHER 



( Contribution from Bureau of Plant Industry) 



Storage of Coniferous Tree Seed - - - - - 479 



C. R. TILLOTSON 



(Contribution from Forest Service) 



Susceptibility of the Different Varieties of Sweet Potatoes 

 to Decay by Rhizopus nigricans and Rhizopus tritici - 511 



L. L. HARTER and J. L. WEIMER 



(Contribution froiti Bureau of Plant Industry) 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE, 



WITH THE COOPERATION OF THE ASSOCIATION OF 



LAND-GRANT COLLEGES 



WASHINGTON 



GOVERP Mr NT PRINTING OFFICE 



1922 



