380 OHIO EXPERIMENT STATION: BULLETIN 214 
for planting as for oats. The same smuts attack sorghum and are very likely 
to occur in foreign seed. (See Kansas Experiment Station Bulletin 23; Ills., 
Bulletin 47). 
BUCKWHEAT 
Leaf-Blight. This well known plant is frequently attacked by a leaf-blight 
fungus (Ramularia rufo-maculans Pk.) which produces whitened areas on the 
under leaf surfaces and causes dying of these leaves. It is not known to be 
sufficiently destructive to warrant treatment for prevention. 
Another leaf trouble referred to a fungus (Pusicladium fagopyri) is Feported: 
from Europe, but is not known in our climate. 
CABBAGE-CAULIFLOWER 
Brown- or Black-Rot is a serious disease of these two crucifers, and attacks 
others of the family, including turnips. It is a veritable scourge to the cabbage 
growers of Ohio and other states. Smith (Farmers’ Bul. 68, U. S. D. A.) has 
published concerning it and has a‘tributed the disease to aspecific germ (Bac- 
terium campestre (Pam.) Erw. Sm.). The diseased heads may be dwarfed, in 
portions rotted, and brown colors will appear in the woody layers of the plant, 
including the stem. Badly diseased heads emit a penetrating and offensive odor. 
Fig. 35. Young cabbages partially affected with club-root The club-root 
survives in the soil and causes swellings and abnormal forms of the roots, 
After Halsted, Bul, 98, N. J. Exp. Sta, 
