567 
When the disease is just showing, pulling out the attacled 
plants, collecting roots and all, and burnin’: them, to prevent the 
ditfusiun of t1e3e 3» res (sseds of mould) is ad visable. Manw ing 
ne vines to stimulate their growth helos them to get over the 
weakening effect of the mould. 
I have seen good results attend the application in winter- 
time, on the main roots and round tue stovk of the vine, laid bare 
for tie purpose, a svbition of sulphate of iron. Eeavy dessin of 
lime and sulpiur applied on the roots have kept duwn this and 
also siinilar funzus on roots of Peaches and other trees. 
Downy Mitprw (Peronospora viticolu, Le Barry, Svn., Plas- 
mopira viticola).—Appears in small frost-like patches on the under 
surface of the leaves, finally causing yellowish discolouraticn on the 
upper surface. Berries are also affected, remaining small and Lard 
and turning brown. 
Remedies.—Two or three applications of Bordeaux mixture. 
Tuis disease, which causes considerable damave in American 
and European vineyards has, of late years, appeared in tle vine- 
yards of Victoria, and caused material dama je o the grape crop 
in unprotected vineyards. 
Oidiim wiaters in the buds; Black Spot in the scars of the 
vines ; Downy Mildew in tne vround. For this reason winter treat- 
mont for Oidium or Doway Mildew is useless, while it is cood for 
Black Spot. For Downy Mildew spraying shou'd be started in 
October, and in the case of a severe attack, again two or hree 
weeks later to protect the freshly grown leaves. 
O1p1um (Powdery Mildew) Hrysiphe vitigera is the Australian 
form corresponding to the Ozdewm Tuckerit_ of England or the 
Vine Stems showing Stains of Oidium. 
Powdery Mildew, Unxcinula spiralis of the U.S.A.—One of the most 
prevalent diseases wherever the grape vine is extensively cultivated. 
Before a remedy for this disease had been found, it swept out 
of existence the vineyards of Madeira. Some thirty to forty years 
