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Detailed Explanation of Key Points of Jujube Tree Training and Pruning Techniques

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The training and pruning of jujube trees is based on the jujube tree's unique branching habits and its strong light-loving characteristics. Through pruning, a fixed framework suitable for the jujube tree's growth habits is formed, thereby improving the transparency of the canopy, increasing the fruiting positions, achieving three-dimensional fruiting, improving jujube fruit quality and yield, and extending the fruiting years. There is no issue of retaining flower buds: the flower buds of most fruit trees are differentiated in the previous year, so during winter pruning the number of flower buds to retain must be determined according to the target yield, in order to reduce the consumption of large amounts of tree nutrients caused by flowering and fruit set.

The training and pruning of jujube trees is based on the jujube tree's unique branching habits and its strong light-loving characteristics. Through pruning, a fixed framework suitable for the jujube tree's growth habits is formed, thereby improving the transparency of the canopy, increasing the fruiting positions, achieving three-dimensional fruiting, improving jujube fruit quality and yield, and extending the fruiting years.

There is no issue of retaining flower buds: the flower buds of most fruit trees are differentiated in the previous year, so during winter pruning the number of flower buds to retain must be determined according to the target yield, in order to reduce the occurrence of large amounts of tree nutrients being consumed by flowering and fruit set. However, jujube flower buds differentiate and flower and fruit in the same year, and the number of flowers is extremely large and the flowering period is long. At the same time, they can also differentiate flower buds and bear fruit multiple times. Under normal management conditions, there is no phenomenon of alternate-year bearing. Therefore, pruning is very convenient, and there is no need to worry about the number of flower buds to retain. It is sufficient to ensure that the branch tiers at all levels are clearly layered, to investigate the spacing between the tiers, to allow ventilation and light penetration, and to keep the tree structure reasonable.

Fruiting branch groups are easy to cultivate and renew: several secondary branches borne on the same main axis of a jujube head form a fruiting unit, which people call a fruiting branch group. Once a jujube head is pinched or its terminal bud is cut off, it becomes a fruiting branch group. A small fruiting branch can have 3-5 secondary branches. Pinching a jujube head that has extended uniaxially for many years or cutting off the terminal bud in winter can form a large fruiting branch group. It can have more than 20-30 secondary branches. After a fruiting branch group is formed, it is relatively stable. Its growth amount is very small, but its ability to bear fruit continuously is indeed very strong, and it can bear fruit continuously for more than ten years. When a fruiting branch group ages, it can be partially or completely thinned out, and newly grown jujube heads can be used to replace it, so renewal work is very simple.

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