minutes, then enough water should be added to dilute to 50 

 gallons. The spray is then ready for use and should be strained 

 into the spray tank. While this is a good spray to use on stone 

 fruits it does not seem to control apple diseases as well as the 

 more concentrated forms or bordeaux mixture. 



DRY LIME-SULPHUR 



There are several forms of powdered or dry sulphur com- 

 pounds that are now appearing on the market but these as yet 

 have not been tested thoroughly enough for Kansas conditions 

 to warrant recommending them. However, if they will do what 

 is claimed for them they will effect a considerable saving to the 

 fruit grower, as he will no longer be obliged to pay freight on 

 water. 



BORDEAUX MIXTURE 



Copper sulphate 3 pounds 



Stone lime 4 pounds 



Water 50 gallons 



If only 50 gallons of bordeaux mixture are to be made, 3 

 pounds of copper sulphate should be dissolved in 25 gallons of 

 water in one. barrel, and 4 pounds of lime in a like amount of 

 water in another barrel. The two solutions should be kept 

 separate until ready for use when they should be poured simul- 

 taneously into the spray tank. 



If any great amount of bordeaux mixture is to be made, it 

 will greatly facilitate the work to prepare stock solutions in 

 advance. This may easily be done by dissolving the copper 

 sulphate and the lime in separate barrels in known quantities 

 of water, for example, 2 pounds of the copper sulphate or lime 

 to each gallon of water. This will make it easy to compute the 

 amount of lime or copper sulphate to be used in the preparation 

 of the spray. The copper sulphate, being much heavier than 

 water, will not thoroughly dissolve unless it is suspended at the 

 surface of the water. A good method of doing this is to put it 

 in a bag and fasten the bag to a stick placed across the top of 

 the barrel. In slaking the lime, the water should not be added 

 too rapidly as there is danger of "drowning" it and thus check- 

 ing the slaking. 



The most satisfactory way of preparing bordeaux mixture is 

 to have an elevated platform higher than the spraying ma- 



