Insects and Sprays 259 



used only in the winter when the leaves have 

 fallen. This is a strong spray and will injure tender 

 vegetation. 



Sweet peas should be closely watched for aphis and 

 when any is discovered, spray the vines with a 

 strong solution of yellow soap and water, or spray 

 with nicotine solution made by soaking smoking 

 tobacco in cold water for twenty-four hours or by 

 boiling it in water for a couple of hours. Apply 

 when cold. 



Aphides or green flies may be removed from house 

 plants by smoking them with tobacco smoke. A 

 few glowing coals should be placed on an iron 

 shovel or in a pan, and tobacco spread over them. 

 The coals should be smothered so they will smoke 

 but not blaze. 



Either a solution of whale-oil soap or a thorough 

 spraying with nicotine solution will drive the lice 

 from rosebushes. The solutions should be applied 

 early before the lice are hidden by the curl of the 

 leaves. The solution must hit the lice in order 

 to kill them. 



Slugs can be removed only by picking them off. 



Choice rosebushes should be protected from bugs 

 when they are particularly prevalent by covering 



