PROTECTION FROM INJURY BY THE JAPANESE BEETLE 5 



Any visible spray deposit should be removed from the fruit by suit- 

 able wasliing or wiping equipment, as it may interfere with marketing. 

 If a spray containing a poison has been used, this removal of any 

 deposit must be particularly thorough. 



Late apples can be protected by spraying with 6 pounds of acid 

 lead arsenate, to winch is added a suitable sticker, in 100 gallons of 

 water. The use of 4 pounds of wheat flour to each 6 pounds of lead 

 arsenate has been 

 found to be one of 

 the most satisfac- 

 tory ways of increas- 

 ing the adherence of 

 lead arsenate to fruit 

 and foliage. How- 

 ever,if other stickers 

 or spreaders, such as 

 cold-wa ter-s o 1 u b 1 e 

 powdered skim milk 

 or a safe summer oil, 

 have been used pre- 

 viously in the spray 

 schedule, these ma- 

 terials may be sub- 

 stituted for the flour. 

 Two pounds of pow- 

 dered skim milk 

 should be used to 6 

 pounds of lead arse- 

 nate. When oil is 

 used enough should 

 be added to give the 

 diluted spray an oil 

 content of from 0.5 

 to 0.6 percent. 

 When an applica- 

 tion of lead arsenate 

 is made for the con- 

 trol of the codling 

 moth at the time 

 when the spray for 

 the Japanese beetle 

 would normally be applied, the latter may not be necessary, but it may 

 be necessary to make 1 or 2 additional applications of these sprays to 

 give adequate protection throughout the season. 



Arsenical sprays are not recommended for early apples, because of 

 the excessive arsenic residue at the time of harvest, unless equipment 

 is available for removing this residue. Some protection, however, 

 can be obtained by spra3 T ing with 32 pounds of hydrated lime in 100 

 gallons of water, without the arsenical. 



Since the question of residue on the fruit is not a factor with non- 

 bearing apple trees, other stickers may be substituted for the flour 

 w T hen young stock is to be sprayed. Satisfactory results have been 



Figcre 5.— Japanese beetles clustered on peach fruit. All the fleshy part 

 of the fruit is destroyed, leaving only the pit. Early Hose is the variety 

 of peach shown. 



