10-4 ilAIXE STATE COLLEGE 



seen, however, that in both instances mere is a marked difference 

 in favor of the sprayed trees. 



The percentage of wormy fruit on both sprayed and unsprayed 

 trees was much greater in case of the Talmans than with the Bald- 

 wins. A study of the table will show, however, that the actual 

 increase of the sprayed over the unsprayed trees, in the amount 

 of good fruit, was even greater in the first case. The figures are 

 of value as showing the beneficial effects of even a single applica- 

 tion of a dilute mixture. 



A- i .: e last column of the table the ratio between 



the sprayed and unsprayed Talman trees is 1 :2.07. In other 

 ■■"'.: ms. if in a barrel of fruit from the sprayed trees there were 

 100 wormy fruits, there would be 207 wormy fruits in a barrel 

 from he unsprayed trees. In the same wc-.y for ev up i '. 1 — orrny 

 fruits on the Baldwin trees which were sprayed, there would be 



2. Relative X:.: ruber of TTT-myVb : . Spray-.-- v/l Ur-sp r:y mi 

 Trees. Observing that the number of fallen fruits was much 

 greater under the unsprayed trees, a record was kept showing the 

 absolute difference. 



In ease of the Greening r=ee Table IV) sprayed with 1 pound 

 to 250 gallon.?. 1 pound to 300 gallons, and unsprayed, the average 

 amounts were respectively, 12.5, 12.3, and 21.5 per cent, of the 

 total crop. With the Hubbardstons the difference was even more 

 marked, the percentages being respectively 4.45, 10.04, and 20.5 B . 



The owner of the orchard not being ready to harvest his Bald- 

 wins, and it being impracticable for the writer to make another 

 visit to this orchard, a count was made of the actual number of 

 windfalls under sprayed and unsprayed Baldwin trees at that date, 

 Oetober 4. An examination of three trees each, as nearly alike 

 as possible, gave the following as the average results. 



W: .'.- number 



Somber 



Per cent. 



of fruits. 



wormy. 



wormy. 



Sprayed. 144 



55 



38.2 



Mot Sprayed, 21> 



222 



52.8 



The absolute number of windfalls in ease of the unsprayed 

 trees exceeded that from the sprayed trees by 53. 7 per cent . , while 

 the relative number of wormy fruits was correspondingly large, the 

 difference in the aver a. at. The figures plainly 



indicate that the actual number of fallen fruits is less from trees 



