* 
Ta . 
bie “ 
‘ , 
.; TROTTER SS Spay eee) ed 
PASE SE ESE Ria aan 
New York AGRIcuLtTuRAL Experiment StTArion. 581 
this fungus it is probably true that the same remedy as that for 
the Cercospora, applied in the same manner, would prove effective.” 
THE CELERY RUSTS. 
The word rust as here used refers to fungi that form rust spots 
on the foliage which discharge a rust like powder and it does not 
refer to the reddish discolorations sometimes found on the roots 
' or extending along the stalks when they are blanched. In the 
a 
bs ‘ 
ys Sy . 
. ie 
com + ; By ae) / 
bulletin above referred to it is stated that “There are two true 
rusts of the celery as recorded in the books. The Puccima bullata, 
(Pers), Winter, which has a wide range geographically, being 
found throughout Europe, North America and Australia, thrives 
upon a large number of the members of the order (Umbelliferae) to 
which the celery belongs. Prof. W. G. Smith* mentions it as very - 
destructive in England. Like many another fungus its inroads 
may be expected at any time in this country upon our cultivated 
Umbelliferae. 
“The other species of celery rust (Puccinia Castagner, Thum.), 
should it be distinct from the one mentioned above, is perhaps con- 
fined to France, where it was discovered.” 
EXPERIMENTS IN SPRAYING. . 
Through the kind co-operation of Mr. De Witt C. Curtis, of 
Horseheads, N. Y., who placed at the disposal of the station a 
portion of a large field of celery grown on muck land, some experi- 
ments were made in spraying for prevention of celery diseases in 
1892. The purpose of the experiments was threefold, namely; 
1. To determine the comparative merits of fungicides of differ- 
ent, strengths. 
2. To compare the efficiency of few treatments with frequent 
treatments. 
3. To determine the amount of copper adhering to sprayed 
plants when they were prepared for market. 
Unfortunately no experiments could be undertaken in treating 
the seedlings at this time. The field experiments were on early 
celery of the White Plume and New Golden varieties. Spraying 
commenced May eighteenth, soon after the celery was transplanted 
*(tardener’s Chronicle, vol. xxvi, N. S., 1886, p. 756, with engravings. 
