362 Report of the Horticultural Department of the 



This shows no decided g-ain by any treatment. Eyen the 

 unsprayed trees gave g-ood results. At picking time, In October, 

 the difference between the crops was indistinguishable. 



Experiment 2 (Jackson) — (1) The east sides of four well-grown 

 Maiden Blush trees were sprayed on Saturday morning, May 19. 

 About five gallons of Bordeaux were applied to each half tree. 

 All the sides showed an abundance of bloom, and about ninety 

 per ot. of the blossioms were open at the time of spraying. 

 Weather cool and partly cloudy. A slight wind carried a little 

 epray over to the west side of the trees. (2) On Saturday, June 

 9, when the fruit had set, the west siides of these four trees were 

 sprayed. All of the trees had been sprayed alike with the Kedzie 

 mixture by Mr. Jackson before the blossoms opened. 



At the second spraying, June 9, and on August 20, these records 

 were taken: 



Table II. — Fruit-Setting of Maiden Blush Apple Tkees Sprayed in 



Halves at Different Times. 



The parts sprayed in bloom gave the better results. 



Experiment 3 (Jackson). — Most of the trees of Twenty Ounce 

 in Mr. Jackson's orchard are badly attacked by apple canker. 

 The four trees used in this experiment, although affected, are 

 still thrifty. (1) On Saturday morning, May 19, the east sides 

 only of these trees were sprayed at the rate of four gallons of 

 Bordeaux to each half tree. The trees were then white with 

 bloom. Weather cool and partly cloudy, becoming warmer in the 

 afternoon. (2) On Saturday, June 9, when the fruit had set, 

 the west sides of the trees were sprayed. Weather slightly 

 cloudy. 



Following are the records taken cu June 9 and Augui;-;. 20: 



