.PROPAGATION OF RASPBERRIES 233 



Practical Exercises 

 1. Field Practice in Layering 



Go to some neighboring garden or berry patch and 

 find black raspberry plants that have bent over during 

 the previous summer and taken root at the tips. Pull 

 up one of the tips and note the beginning of a new 

 root system. See if you can find where a new stem has 

 already begun to grow from a tip layer. Cut off the 

 stem that has bent over, about six or eight inches above 

 where the tip has rooted. Dig up the roots at the tip, 



FIG. 68. RASPBERRY LAYERING 



and you have a little raspberry plant that is ready to 

 be transplanted. Make some tip layers by bending 

 down other stems and covering the tips with earth. 

 To prune the raspberry vines, cut away the last year's 

 bearing canes. Cut back the present year's growth to 

 about three feet during the month of July. 



Notice that the red raspberry does not bend over and 

 root at the tip as the black raspberry does, but that 

 new stalks spring up at intervals from the root under- 



