10 



Dissolve the sublimate in 2 gallons of hot water, then add 

 the other 13 gallons and let stand several hours, stirring occa- 

 sionally. Put seed potatoes in this for an hour and a half, then 

 dry before planting. Use no metal pails or dishes in this work, 

 and clean everything used, thoroughly, as this substance is 

 very poisonous. 



Insecticides and Fungicides combined. 



Where these can be used it is advantageous to do so, as two 

 separate sprayings can often be avoided in this way. 



19. Bordeaux Mixture and Paris Green. 



Bordeaux mixture, 50 gallons. 

 Paris green, 6 ounces. 



Mix the Paris green well into the Bordeaux mixture. 



20. Bordeaux Mixture and Arsenate of Lead. 

 Thoroughly mix the amount of arsenate of lead called for by 



the directions elsewhere in this bulletin, with 50 gallons of 

 Bordeaux mixture. 



21. Lime-sulfur and Arsenate of Lead. 



Work up 2 pounds arsenate of lead well with water; then add to 

 50 gallons lime-sulfur wash (summer strength), mixing thoroughly. 



22. Ivory Soa,p. 



Ivory soap (large size), 1 bar. 

 Water, 15 gallons. 



Apply warm. 



FUMIGANTS. 



23. Sulfur {for Empty Houses). 



Burn about 6 ounces sulfur to each 1,000 cubic feet of space. 

 Keep house tightly closed for at least twelve hours. 



24. Sulfur (for Houses with Growing Plants). 



Paint some of the heat pipes with a mixture of sulfur and 

 oil; or heat a small amount of sulfur in a kettle over a kerosene 

 stove, taking care that it does not catch fire. 



