52 Journal of Agricultural Research voi. xxii. No. i 



of the trouble would indicate that under more favorable conditions the 

 disease may become a serious factor in beet culture. It is not improbable 

 that a thorough survey may discover the "dryrot canker" in every beet- 

 growing district in this and surrounding States. 



Since the appearance of the author's abstract (6), Dr. George L. Peltier 

 reports in a letter to the author that he noted during 1920 in Nebraska 

 what appears to be the same trouble. Preserved specimens in the 

 plant-disease herbarium of the Utah Agricultural College show that the 

 disease was collected in Utah as early as 19 15. 



LITERATURE CITED 

 (i) Atkinson, Leo. F. 



1895. DAMPING OFF. N. Y. Cornell Agr. Exp. Sta. Bui. 94, p. 231-272, fig. 

 55. 6 pi. 



(2) DUGGAR, B. M. 



1899. THREE IMPORTANT DISEASES OF THE SUGAR-BEET. N. Y. Cornell AgT. 



Exp. Sta. Bui. 163, p. 335-363, fig. 49-63. Some references to the lit- 

 erature of beet diseases, p. 361-363. 



(3) Edson, H. a. 



i915. seedling diseases of sugar beets and their relation to root-rot 

 AND CROWN-ROT. In Jour. Agr. Research, v. 4, no. 2, p. 135-168, pi. 

 16-26. Literature cited, p. 165-168. 



(4) Pammel, L. H. 



1891. FUNGUS DISEASES OF SUGAR BEET. lowa Agr. Exp. Sta. Bui. 15, p. 

 234-254. 6 pi. 



(5) Ramsey, Glen B. 



1917. A FORM OF POTATO DISEASE PRODUCED BY RHIZOCTONIA. In Jour. Agr. 



Research, v. 9, no. 12, p. 421-426, pi. 27-30. 



(6) Richards, B. L. 



1921. a dry rot of the sugar-beet caused by corticium vagum. 

 (Abstract.) In Phytopathology, v. 11, no. i, p. 48. 



(7)- 



1921. THE POTATO STEM CANKER. Utah Agr. Exp. Sta. Bui. 178. 



