i68 



Bulletin 2'j'l. 



neighbor of Mr. Pease, also very effectively controlled the disease in his 

 large pear orchard by systematic inspection, cutting out and disinfecting. 

 We again emphasize the point that it is the frequent inspection and 

 the disinfection of wounds made in cutting out that is effective. 



Controlling the Blight 

 in nursery stock. As 

 indicated on page 38, 

 Dansville nurserymen 

 suffered serious losses 

 from this disease in 

 1908. We visited the 

 nurseries during the 

 summer, but it was 

 then too late to save 

 the stock. A few of 

 the growers had done 

 some cutting out, but 

 none had disinfected. 

 Most of the growers 

 stood by helpless and 

 saw their profits dis- 

 appear. Entire blocks 

 of apples, pears and 

 quinces were wiped 

 out, not a tree escap- 

 ing. For many years 

 the nurserymen about 

 Geneva have suffered 

 more or less from this 

 malady. In the spring 

 of 1909 a co-operative 

 arrangement was made 

 with C. W. Stuart & 

 Co., of Newark, N. Y., 

 for the purpose of 

 studying and demon- 

 strating the control of 

 Blight in one of their 

 nurseries near Orleans, N. Y. The junior writer established a tempo- 

 rary field laboratory at the nursery, remaining on the ground constantly 

 from June 4 to Sept. i . By systematic inspection and removal of the 



Fig. 23. — Cutting Blight from nursery slock. Note the bag 

 into which tlie blighted shoots are put, the bottle of cor- 

 rosive sublimate and the sponge at the end of a string. 



