December, 1909.] 



THE CODLING MOTH. 



81 



every year, hogs lind l)Con pastured and the remaining drops had 

 been picked up. 



The diagram shows the records, kept the same as those of the 

 sprayed trees from five trees in each orchard. In the neglected 

 orchard one-half of the fruit dropped, three-fourths of the wind- 

 falls being wormy, while in the other only slightly over one- 

 fourth (27 per cent.) dropped, and but half of it was wormy. 

 In the neglected orchard 42 per cent, of the total crop of the tree 

 was picked free from worms, making two barrels, worth $2 net, 

 while in the orchard cared for 65 per cent, of the fruit picked 



Fig. 13.— The ground covered with the droppinps of the whole summer In 



the neglected orchard. 



was not wormy, making SVi barrels, worth $3.25 net, and show- 

 ing a benefit of $1.25 per tree at but slight cost for scraping 

 the trees and picking up the drops, which pay for themselves in 

 cider. Altogether the records showed that there were one-half as 

 many wormy apples during the whole season in the orchard cared 

 for as in the one neglected. 



Usually nearly half of the windfall fruit is wormy, and the 

 fruit drops before the worms are full grown. If it be left on the 

 ground, the worms emerge and form their cocoons on the near- 

 est tree. If the dropped fruit be gathered frequently, or if 

 enough hogs run in the orchard to keep it destroyed, a large 



