128 



State Horticultural Society. 



reason why it should occur, I wouldn't spray. The spraying must 

 be thoroughly done as when spraying for any purpose. Missouri 

 and Illinois are ahead of Virginia in the matter of power sprayers. 

 In orchards of 5,000 or 6,000 trees the power sprayer pays best. I 

 have never tried powder for the bitter rot. Th fruit wants to be 

 sprayed all over. Rain can carry the spores down. For bitter rot, 

 better spray from top down. Platform in wagon is a good scheme, 

 with man on the ground at the same time. 



CONTROL BITTER ROT. 



(By Prof. W. M. Scott, United States Department of Agriculture.) 

 TABLE OF VIRGINIA EXPERIMENTS AND RESULTS. 



• Sprayed on dates given at head of the columns. 

 ■f Check— one untreated tree. 



Apple scab, codling moth and bitter rot are the three chief 

 enemies to the apple crop in this section, and you are all, no doubt, 

 familiar with their destructive work. 



SPRAYING FOR SCAB AND CODLING MOTH. 



Scab is due to a fungus which attacks the fruit and foliage, 

 causing unsightly olive colored, circular spots, while the codling 

 moth is an insect causing "wormy apples." These troubles can 

 readily be controlled by spraying with Bordeaux mixture and ar- 

 senical poisons. The scab fungus may begin its attack on the 

 young leaves and the flower stems before or during the blooming 



