Techniques of tree-shaped pruning in jujube tree trunks

Jujube tree trunk sparsely tree-shaped, full tree height of 5 to 6 meters, there are three main branches, stem height 1 to 1.4 meters, due to differences in planting methods stem to height difference. Planted in a garden, dry 1~1.2 meters high, make full use of the lower branches to expand the crown and increase production. The intercropping of dates and grains is about 1.4 meters high for the crown and intercropping. The first branch of the main branch of 3-4, with 1 to 3 years of time to select and culture, the exhibition angle from 50 to 60 degrees gradually increased to 70 to 80 degrees. Each main branch was cultured with 2 to 3 lateral branches and the distance between collaterals was 60 to 70 cm. The main branch of the second layer of 2 to 3, and the first layer spacing l.2 ~ 1.5 meters, angle 50 ~ 60 degrees, each main branch culture 1 ~ 2 lateral branches. There are two main branches on the third floor, with a spacing of 1 to 1.2 meters from the second floor and an angle of 30 to 40 degrees. Above the third floor can be left dry, but also can be removed happy. Results The branches were cultured at a distance of 50 to 60 cm on the same side and were 60 to 150 cm long, depending on the location and lighting conditions. The leaf thickness of each layer is controlled at about 60 cm, and the light transmission between the layers is good. The whole tree results in 3,000 to 4,500 mother-tree branches and can be completed in 7-8 years. The trunk sparse layer conforms to the hairiness habits of most jujube varieties and is easy to cultivate. The trunk is strong and stable, with obvious layers, good light transmission, compact arrangement of layers, and many branches without chaos. The light in the interior is good, the air is small, can fully utilize the production capacity of the jujube tree, and the yield is high. It is suitable for the intercropping of general jujube garden and jujube grain with large row spacing.
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Posted on August 06, 2021