534 



GROWING BUSH FRUITS 



plish this, but may be supplemented with hand work. Leave 

 the tips attached to the parent plants until the following spring. 

 Anthracnose, crown gall, and mosaics are usually the limiting 

 factors in the life of the black raspberry. Remove the tip 

 plants in early spring before they have become infected with 

 anthracnose from the old canes. 



(Z7. s. D. A.) 



Fig. 225. Raspberry plants with good root systems desirable for plant- 

 ing. Ranere (red) at left; Columbian (purple) in center; Cumberland 



(black) at right. 



The purple raspberry resembles the black raspberry, form- 

 ing plants at the tip of the new canes. A few varieties, how- 

 ever, do not form tip plants, and must be propagated from 

 suckers or root cuttings. 



The blackberry, like the red raspberry, propagates from 

 Buckers, one-year plants being best, or, since some varieties 

 form suckers but sparingly, new plants may be obtained from 



