96 THE CONNECTICUT POMOEOGICAL SOCIETY. 



of emulsion. The work was done at the home of Mr. E. M . 

 Ives, Meriden, who commenced spraying- on the following 

 day an apple orchard of about 100 trees, many of which were 

 over 20 feet high. A few leaves were clinging to the trees 

 when the spraying was done. The orchard was moderately 

 infested with scale, and many trees, especially their higher 

 branches, were seriously infested. In some places, the bark- 

 was deeply incrusted. A 1 to 15 emulsion was used, and the 

 spraying was thoroughly done. As much as ten gallons of 

 liquid was used on some of the larger trees. The day was 

 partly cloudy, with a gentle breeze from the south. 



On January 2, 1908, a general inspection of the orchard 

 showed that the spraying had been efifective. A critical labo- 

 ratory examination of some badly infested twigs from various 

 parts of the sprayed trees, failed to show tlie presence of a 

 single live scale. 



2. At Wallingford. Ten gallons of soluble oil was 

 sent to Mr. A. T. Henry of Wallingford, who used it at a 1 

 to 15 strength on several hundred young cherry trees. The 

 scales were very scarce, but a few trees were quite seriously 

 infested. An examination of several infested twigs taken from 

 the sprayed trees, like the previously described experiment, 

 failed to reveal the presence of a single live scale. 



3. At South Glastonbury. Mr. J. H. Hale sprayed 

 several hundred four-year-old apple trees with an emulsion 

 made up according to the formula previously described, but 

 the emulsifier used was prepared by the John T. Robertson 

 Company, Manchester. The second part of the formula was 

 prepared by Mr. Hale. A 1 to 20 emulsion was used, and the 

 spraying was done the latter part of. November. 



On January 2, 1908, thirteen twigs were taken from 

 various sections of the orchard. On twelve of them every 

 scale was apparently dead. On the other twigs several live 

 scales were found on one side only, which would indicate that 

 the twig had not been completely covered with the oil. This 

 shows the importance of thDrough spraying. 



