They are illustrated in Figure 3. Mature plant shows parts. The upper right portion is pruned to show a spur and fruiting cane. This is the main permanent stem of the plant. Immature, soft stem growths of the current growing season are shoots.
Shoots arise from buds on wood one or more years old and bear leaves, flowers and fruit.
These are the mature shoots, those which have become woody after growth has ceased. These might be called temporary side extensions of the main stem. They are the basal portions of former canes that were left after pruning. Spurs or renewal spurs. Pruning at planting time The best cane usually is selected and shortened to two buds.