How to winter prune Red Fuji apple trees? Detailed technical points
How to winter prune Red Fuji apple trees? Please guide: when winter pruning Red Fuji apple trees, note the following: 1. After pruning, the tree height should be less than the row spacing; a light-transmitting band of 1.0-1.3 m must be maintained between rows; large branches between trees must not cross each other; framework branches at all levels should be staggered. A leaf canopy spacing of 30-50 cm must be maintained between main branches at each tier to enhance light exposure...
How to winter prune Red Fuji apple trees? Please guide
When winter pruning Red Fuji apple trees, note the following:
1. After pruning, the tree height should be less than the row spacing; a light-transmitting band of 1.0-1.3 m must be maintained between rows; large branches between trees must not cross each other; framework branches at all levels should be staggered. A leaf canopy spacing of 30-50 cm must be maintained between main branches at each tier to enhance light exposure, and competing branches should be controlled promptly.
2. Temporary auxiliary nurturing branches retained during the early fruiting stage should be trained year by year by bending and scoring to moderate vigor and promote flowering; after fruiting, depending on the available space, they should be transformed into branch groups or removed; branch groups on the upper and lower sides of main branches should be transformed and controlled, mainly small ones, ensuring every branch receives light.
3. Fruiting branches entering the full fruiting stage are prone to alternate bearing and premature aging. Therefore, after 3-4 years of fruiting, they should be renewed and rejuvenated in a timely manner. Strengthen the cultivation of vigorous new fruiting branches to improve fruiting capacity.
4. Adjust and maintain the production target of 2500 kg per mu and a ratio of vegetative branches to fruiting branches of 4-5:1.
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