76 



STATE POMOLOGICAL SOCIETY. 



TABLE III. 



No comparison between the two mixtures can be drawn as the trees 

 were not in adjacent parts of the orchard. It will be seen, however, 

 that in both instances there is a marked difference in favor of the 

 sprayed trees. 



As indicated in the table, the ratio between the sprayed and the 

 unsprayed Talman trees, is as 1 :2.07. In other words, for every 

 wormy fruit on the sprayed trees, there were more than two wormy 

 fruits on the unsprayed. Or, if there were 100 wormy fruits in a 

 barrel of apples from the sprayed trees, there would be 207 in a 

 barrel from the unsprayed. In the same way, for every 100 wormy 

 apples on the Baldwin trees which were sprayed, there were 161 on 

 the trees not sprayed. As a rule, it was observed that the difference 

 in favor of the spray was most marked on trees bearing relatively 

 few fruits — a fact of no small importance in an "off year." 



Negative Results : Incidental to some other experiments a few 

 trees were sprayed in an orchard belonging to F. M. Woodward of 

 Winthrop. The work was conducted by Mr. C. E. Moore. 



When spraying for the apple scab, certain trees were sprayed once 

 with a mixture of Paris green and carbonate of copper in suspension. 

 The poison was used in the proportion of one pound to 160 gallons 

 of water. The trees were old, and were surrounded by unsprayed 

 trees. 



About three bushels of fruit were counted from each of four trees 

 with the following results : 



