SPRAYING 121 



the buds open and while they are showing some 

 of the pink: color. It is used to prevent early- 

 infection by apple scab and to kill the adults of 

 the curculio. It may be too that it will catch a 

 few early individuals of the codling moth if the 

 season is advanced. 



The second spray is applied just after the 

 petals fall — as soon after as possible. It con- 

 sists of the same material as the first spray, 

 and is directed primarily against the first brood 

 of codling moth. In addition to being our chief 

 attack on this insect, this spray also helps to 

 control the curculio, apple scab, and many minor 

 leaf -eating insects. It also probably has some 

 effect on certain other diseases. 



If the work is done thoroughly in these two 

 first sprays the grower may put away his ma- 

 chine until the time to go after the second 

 brood of codling moth, but if for any reason he 

 feels that he has been careless it will be well 

 for him to repeat the second spray in about two 

 weeks. (Carelessness always exacts its price.) 

 The third (or fourth) spray will usually come 

 between June fifteenth and July fifteenth, de- 

 pending on the season and the latitude. It con- 

 sists of the same materials as the first sprays 

 or Bordeaux Mixture may be substituted for 

 the lime sulphur if you are located in a section 

 subject to cedar rust — or if you failed to con- 

 trol blotch with winter sprayings. In hot humid 



