ISHS Acta Horticulturae 297: II International Symposium on Kiwifruit
COMPARISON OF KIWIFRUIT TRAINING SYSTEMS |
| Authors: | G. Costa, R. Biasi, R. Giuliani, F. Succi |
| Keywords: | Geneva double curtain, T-bar, V-trellis, free-spindle, yield |
| Abstract:
A two-part experiment was carried out for three years in northern Italy. In the first part, the recently proposed training systems Geneva double curtain (GDC), free-spindle and V-trellis were tested against the standard T-bar, and in the second the latter was assessed against the modified T-bar. All the trials were performed on ‘Hayward’ vines with the same bud load/ha. In the first trial each training system had a different number of vines/ha: GDC = 1000, free-spindle = 1500, V-trellis = 1800, T-bar = 700 while in the second both standard and modified T-bar had the same planting density (700 vines/ha). The main results showed that both GDC and standard T-bar produced higher fruit yields than the free-spindle and V-trellis systems. Moreover, recorded fruit weight and commercial grading indicated that the former two perform better than the latter two training systems. The modified T-bar appears to have certain advantages over standard T-bar: yield/ha and fruit weight were similar but the former had a much higher number of renewal canes originating from the cordon. | |
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