2 20 Home Vegetable Gardening 



tures, which are described below. Bordeaux is 

 made in various forms. That usually used is the 

 5-5-50, or 5 lbs. copper sulphate, 5 lbs. unslaked 

 lime, 50 gals, water. To save the trouble of making 

 up the mixture each time it is needed make a stock 

 solution as follows: dissolve the copper sulphate 

 in water at the rate of i lb. to i gal. This should 

 be done the day before, or at least several hours 

 before, the Bordeaux is wanted for use. Suspend 

 the sulphate crystals in a cloth or old bag just below 

 the surface of the water. Then slake the lime in a 

 tub or tight box, adding the water a little at a time, 

 until the whole attains the consistency of thick milk. 

 \Vhen necessary, add water to this mixture if it is 

 kept too long; never let it dry out. When ready 

 to spray, pour the stock copper sulphate solution 

 into the tank in the proportion of 5 gals, to every 

 50 of spray required. Add water to amount re- 

 quired. Then add stock lime solution, first diluting 

 about one-half with water and straining. The 

 amount of lime stock solution to be used is deter- 

 mined as follows : at the druggist's get an ounce of 

 yellow prussiate of potash dissolved in a pint of 

 water, with a quill in the cork of the jjottle so 

 that it may be dropped out. fit is poison.) When 

 adding the stock lime solution as directed above, 

 continue until the prussiate testing solution when 

 dropped into the Bordeaux mixture will no longer 



