The Spraying of Orchards. 



291 



sidered as standards. The comparative value of the materials can thus 

 be more accurately considered. 



PLA.NTS USED. 



Apple (Baldwin) 



Blackberry 



Gooseberry 



Dewberry 



Quince (Rea's Mammoth) 

 Raspberry 



Unsprayed. 

 Per cent in- 

 jury from 

 fungi. 



15 

 

 20 

 10 

 15 

 



Spratkd. 



Per cent 

 reduction 

 of fungi. 



85 

 

 75 

 75 

 80 

 



Per cent 

 injury from 

 applica- 

 tions. 





 

 

 

 

 



The dewberries and the quinces showed most plainly the value of 

 the treatments. Most of the other plants were not so seriously 

 attacked, yet the difference between the treated and the untreated 

 plants could be seen. 



The Bordeaux mixture when properly applied practically protects 

 the foliage of plants from the attacks of the fungi mentioned on 

 page 290. 



iVb. 2.- - Copper Chloride. — This fungicide gave good results in 



1891, although it was then used too strong. It was used the past 



season as follows: 



(a) Copper chloride, 1 ounce. 



Water, 25 gallons. 



» (b) Copper chloride, 2 ounces. 



London purple, 1^ ounces. 



Lime, 1 pound. 



Water, 26 gallons. 



