RENOVATION 115 



practical fruit men consider it an advantage to dis- 

 tribute this part of the work over two or three 

 years rather than to do it all at once. As the graft- 

 ing itself requires the removal of a certain number 

 of branches, it should be done before the pruning 

 in order that the graftsman may intelligently choose 

 the positions for his grafts. 



FIG. 61 OLD TREE MODERATELY HEADED BACK 



Oyster-shell louse and San Jose scale should also 

 be attacked at the time the campaign is opened. 

 They should receive thorough spraying early dur- 

 ing the first spring. Probably the best all-round 

 treatment for these insects will be the thorough 

 application of lime-sulphur wash, which should be 



