170 THE HANDBOOK FOR PEACTICAL FAEMERS 



up suckers; the black and purple ones do not. The red rasp- 

 berries are therefore pruned and trained differently from the 

 black or purple varieties. Red raspberries are frequently raised 



Fig, 83. — A black raspberry plant with the laterals rooting at the tips. — 

 U. k. Dept. of Ayriculturc. 



under the hill system. The canes are tied to a stake, five to seven 

 canes per plant. Pruning back of the tips is seldom needed. 



The hedge system is very common. The canes are allowed to 

 grow in a hedge row, the surface between the rows being kept 



cultivated. Often wire 

 supports are placed so 

 as to hold the canes in 

 position. The canes un- 

 der the hedge system 

 should never be allowed 

 to crowd. 



With the linear sys- 

 tem, all the suckers are 

 cut out. Tall cane va- 

 rieties may be pruned 

 back to four feet before 

 the buds start. The 

 canes may be held erect 

 by trellises. The plants 

 should never crowd. 

 Practically all of the black and purple raspberries are planted 

 according to the linear system. Young canes should be topped. 

 Black raspberries should be cut l)ack to from eighteen to thirty 



j^r^ 



Fig. 84. — The black raspberry plant shown in 

 Fig. 83, after it had been pruned. — U. 8. Dept. 

 of Agriculture. 



