Thursday Afternoon, February 13 



VEGETABLE DISEASES— ROUND TABLE 

 Led by Donald Reddick, Ithaca, New York 



Dr. Reddick: In order to introduce the subject of vegetable 

 diseases and possibly recall to your mind some of the troubles you 

 had last summer, I desire to present to you a few of the things we 

 have learned about some vegetable diseases during the past year or 

 two. 



ONION SMUT 



The first disease to which I wish to call your attention today is by 

 no means a new one. It is, however, new to up-state onion fields, or 

 at least has not heretofore been of sufficient importance to have 

 caused particular anxiety or loss to growers. The onion smut has 

 been a serious consideration in Connecticut for over forty years. 

 Professor Thaxter ('90), who was formerly connected with the 

 Connecticut Experiment Station, published the first extensive 

 account of the disease, although Dr. Farlow's ('77) description and 

 illustrations antedate this by more than ten years. In 1895, Messrs. 

 Sirrine and Stewart ('00) began a study of the disease in Orange 

 County. Experiments were continued for five years, and in 1900 

 Bulletin 18*2 was published from the Geneva Station. The disease 

 has been destructive in Ohio for a number of years and Professor 

 Selby ('01 and '02) has published two short bulletins on the subject. 

 The disease is also known to occur in some of the southern states. 

 Recently onion smut has been found about Canastota, Williamson, 

 and Fulton, and in some instances has caused considerable damage, 

 and indeed in certain fields has made onion growing unprofitable. 



('90) Thaxter, R. The smut of onions. Conn. Agr. Exp. Sta. Rpt., 1889: 

 129-153. ph. 1-3. 1890. 



('77) Farlow, W. G. The onion smut. Abstract of returns of the Agricul- 

 tural societies of Alassachusetts 1876: 164-176. PL I. 1877. In Rept. ]\Iass. 

 Board Agr. 1876. 



('00) Sirrine, F. A. and Stewart, F. C. Experiments on the sulphur-lime 

 treatment for onion smut. N. Y. (Geneva) Agr. Exp. Sta. Bui. 182: 145-172. 

 Figs. 1-2. 1900. 



('01) Selby, A. D. Onion Smut. Ohio Agr. Exp. Sta. Bui. 122: 71-84. 1901. 

 ('02) Selby, A. D. The prevention of onion smut. Ohio Agr. Exp. Sta. Bui. 

 131: 47-51. 1902. 



