Preventive measures. — Spraying with Bordeaux mixture checks 
the disease if operations are commenced on the first appearance of 
the fungus. The following results of this method are recorded in 
the New Jersey Agric. Coll. Expt. Station Report, 1896:— "The 
foliage of the bordeauxed plots was not materially injured, and 
when harvested showed an increase in weight over the average of 
the two checks of 7 75 per cent. The root systems of the sprayed 
plot showed a corresponding increase of 46'5 per cent." 
Diseased leaves should not be allowed to decay on the ground, 
otherwise the conidia present would be likely to inoculate a 
succeeding crop. 
Beet Mildew. 
(Pero/hi*;.. <>/■</ Schaclttii, Fuckel.) 
The young heart-leaves of beet and mangold are frequently 
attacked by this fungus, which, when present in quantity, 
kills the plant when favoured in " 
