New York AGRICULTURAL EXPERIMENT STATION. 209 
and had suffered severely from leaf curl the previous season. The 
observations were made on May 24, at which time the tip-burned 
leaves were abundant. The cause of it is unknown to us, but it 
is probably not of fungous origin. 
POWDERY MILDEW AND SCAB. 
Neither powdery mildew nor scab, Cladosporium carpophilum 
Thum, is known to have occurred anywhere in the Hudson Valley 
during the past season. 
PEAR DISEASES. 
SCAB. 
(Venturia pirina Aderh. Syn. Fusicladiwm pirinum (Lib.) 
Fckl.) 
_ Pears have been remarkably free from scab. Many of our cor- 
5) 
respondents report none of it; several report “a little;” and a 
few report its occurrence in considerable quantity. Judging from 
these reports it appears to have been worst in Columbia Co., but 
in no case was it so bad as last season. 
LEAF BLIGHT AND LEAF SPOT. 
(Entomosporvum maculatum Ley. and Septoria puricola Desm.) 
Only eight correspondents report the occurrence of pear leaf 
blight, and none of these report it destructive. Not having suc- 
ceeded in taking a single specimen ourselves we do not know 
which of the two diseases was the more common. 
FIRE BLIGHT. 
(Bacillus amylovorus (Burr.) De Toni.) 
Although more common than either scab or leaf blight, the fire 
blight has been destructive in only a few localities. 
“BODY BLIGHT ” OR ROUGH BARK. 
There is a disease of the trunks and larger branches of pear 
trees commonly known as “ body blight.” Over areas which are 
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