Report of State Board of Horticulture. 95 



SPRAY NO. 11— FORMALIX. (FOR POTATO SCAB.) 



8 ounces formalin (forty per cent solution) 

 15 gallons of water. 



Immerse seed potatoes for two hours. 

 (Not poisonous.) 



COMBINED FUNGICIDE AND INSECTICIDE SPRAYS. 



SPRAY NO. 12. 



4 ounces of paris green. 



50 gallons of bordeaux mixture. 



SPRAY NO. 13. 



li pints of arsenite of lime. 

 50 gallons of bordeaux mixture. 

 {See Formula No. 3.) 



SPRAY NO. U. 



li pints of arsenite of soda. 

 50 gallons of water. 



(See Formula No. 1.) 



FOR ROSE MILDEW, RED SPIDER, AND PLANT LICE. 



1 pound bar ivory soap. 

 15 gallons of water. 



Apply warm, as it thickens after cooling. 



