How to summer-prune kiwifruit? Detailed explanation of the key cultivation techniques
How to summer-prune kiwifruit? Please provide guidance. For growing kiwifruit, you can refer to the following methods for summer pruning: 1. Bud removal. If buds sprouting on the trunk, main canes and side canes are in improper positions or are too dense or overlapping, they should be removed at any time. The earlier the buds are removed, the better. Generally, on a vigorous fruiting mother cane, 5-6 fruiting canes can achieve high yield...
How to summer-prune kiwifruit? Please provide guidance.
For growing kiwifruit, you can refer to the following methods for summer pruning:
I. Bud removal. If buds sprouting on the trunk, main canes and side canes are in improper positions or are too dense or overlapping, they should be removed at any time. The earlier the buds are removed, the better. Generally, on a vigorous fruiting mother cane, 5-6 fruiting canes can achieve high yield.
II. Pinching. Pinch the fruiting canes and growing canes 7-10 days before flowering, which can make the leaves larger and thicker, make the canes fuller, promote the transformation from vegetative growth to reproductive growth, increase the fruit-setting rate, and accelerate the swelling of young fruit. In late May, pinch fruiting canes by leaving 7-8 leaves, and pinch secondary canes repeatedly by leaving 2-3 leaves; in late June, cut back weak growing canes by leaving 2-3 leaves, cut back long growing canes by leaving 7-9 leaves, and cut back vigorous water shoots by leaving 10-12 leaves; after mid-August, pinching should be stopped, otherwise it will stimulate plump buds to sprout in autumn, affecting growth and fruiting the following year. In September-October, cut off the young tender tips of canes that have not stopped growing to promote their maturity.
III. Thinning branches. Thinning is generally carried out when new shoots have grown to about 20 cm and the flower clusters can be identified. The number of canes can be reasonably determined according to tree vigor, use of the trellis surface, number of mother canes, and the ratio between fruiting canes and vegetative canes.
Vigorous growing shoots sprouting on permanent main canes or fruiting mother canes should all be cut off at the base except those kept as reserve canes; the reserve canes kept should be pinched at about 1 m to promote full and sturdy growth, and to train them into scaffold canes or good fruiting mother canes.
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