EXPERIMENT STATION BULLETINS. 



409 



Peaches should never be heavily summer sprayed because of their 

 susceptibility to foliage injury. The above troubles commonly found 

 in Michigan peach orchards maj- best be controlled by the following 

 sprays : — 



Fig. 5. Peach leafcuil. This disease is controlled by a dormant spray. 



After the blossoms drop and most of the "shucks" have fallen, apply a 

 spray using oue pound of arsenate of lead powder with two or three 

 pounds of lime (to prevent foliage burning), in 50 gallons of water. If 

 curculio is not present or serious, this spray may be omitted. 



About two weeks after the "shucks" have fallen, apply a spray of self- 

 boiled lime-sulphur to every 50 gallons of which add 1 pound of 

 arsenate of lead powder. Self-boiled lime-sulphur settles rapidly so it 

 sbould be kept well agitated and the poison should not be added until 



