Culture of Raspberries 



1705 



whole, raspberry-growing for the purpose of making dried fruit can be 

 recommended with confidence to the general farmer who is willing to give 

 it careful attention." 



PURPLE-CANE VARIETIES 



The varieties Shaffer and Columbian represent a type of raspberry that 

 is usually considered as a distinct species. This type is intermediate in 

 form between the red and the black raspberry, and because of this inter- 



r>*'v*y 



m&w* 



Fig. 72. — A bearing patch of the Ohio 



mediate character and the fact that crosses between the red and the black 

 produce forms similar to this type some persons consider it of hybrid 

 origin. 



The fruit of the purple-cane varieties is of a large size and of a dull, dark 

 red color. The growth of the plant is similar to the growth of the black 

 raspberry, but more vigorous. Professor Craig summarized the charac- 

 teristics of the purple-cane varieties very well in the following statement:* 

 " Their good points are vigor and productiveness; their weak points are 

 the softness and acidity as well as the unattractive color of the fruit." 



The important varieties of the purple-cane raspberry are. Shaffer and 

 Columbian, descriptions of which follow: 



* Bulletin 22, Central Experimental Farm, Ottawa, Canada. 



