Pests and Diseases 73 



needed to 100 parts of water. For a shallow seed-bed, 

 l gallons of the mixture to a square yard is applied, and 

 for a deep seed-bed a correspondingly larger amount 

 is used. 



FUNGICIDES 



There are many fungicides offered by the trade, and in 

 some cases they will be found good, but owing to a large 

 number of inferior materials that are being put on the 

 market, they are not always trustworthy ; it has, therefore, 

 become necessary to depend more largely upon the home- 

 made fungicides and insecticides. 



Bordeaux mixture. For the prevention of fungous 

 diseases, nothing has been discovered that is equal to the 

 standard home-made bordeaux mixture. Unfortunately 

 some difficulties are encountered in making a good home 

 mixture and it is somewhat disagreeable to apply. 



Solution No. 1. 



Copper sulfate (bluestone), 6 pounds. 



Water, 50 gallons. 

 Solution No. 2. 



Caustic lime (quicklime), 4 pounds. 



Water, 50 gallons. 



It is advisable to have three kerosene barrels of about fifty 

 gallons capacity in the field. Six pounds of copper sul- 

 fate should be dissolved in a barrel of water (50 gallons). 

 The copper sulfate will be dissolved slowly in cool water 

 if it is suspended near the top of the barrel in a feed sack 

 or other coarse cloth. If it is desirable to dissolve it 

 quickly, this may be done by placing it in a barrel and 



