The Bulletin. 



23 



first in hue November or December, aii<l the second as late as possi- 

 ble as just directed (usually in March j, but once the scale is 

 subdued one application late each winter is sulficient. 



About a week after the trees are treated they will look almost 

 as white as if they had been whitewashed, and it is then an easy 

 matter to detect any places which were missed in the application. 

 Absolute thoroughness must be the rule in treating trees for this 

 scale. Spray the trees from two or three sides to be sure that it 

 is done thoroughly, and then if missed spots are noted a week later 

 go over the trees again and complete the job. 



It is well to prune the trees before the wash is applied, so that 

 anv dead or useless wood will be removed, thus ffivins; a better 

 opportunity to treat thoroughly what remains. 



Fig. 13. —Same orchard as shown in Fig. 12, after pruning and spraying. Note that all branches 

 were shortened and that the trees are in thrifty condition. Orig-inal. (Photo by Sherman). 



The majority of our largest and most successful peach-growers 

 believe in pruning very heavily every year, and all growth of the 

 year previous is cut back to short stubs. This results in a lower, 

 stouter tree, capable of carrying a heavy load of fruit without 

 breaking, and also renders it possible to give a very thorough coat- 

 ing with the wash. While it is not thought practicable to cut back 

 apples quite so heavily, yet it must be remembered that low heading 

 and liberal cutting back is a help in making a thorough application 

 of this wash. 



Trees that are so badly infested as to appear to be beyond saving 

 may often be restored by cutting back to mere stumps, and then 

 giving a thorough application of the wash. New growth is put 



