ISTew Yokk AcxKicultukal 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. Fusicladium pirinum (Lib.) 



Eckl.) 



Pears have been remarkably free from scab. Many of our cor- 

 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. 



{Entomosporium maculatum Lev. and Septoria piricola Desm.) 



Only eight correspondents report the occurrence of pear leaf 

 blight, and none of these report it destructive, ]!^ot having suc- 

 ceeded in taking a single specimen ourselves we do not know 

 which of the two diseases was the more common. 



FIEE 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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