The latest time and method of picking the heart of jujube

Picking the heart of jujube is one of the tasks often done during the growing period, which plays an excellent role in saving nutrients, slowing down the nutritional contradiction between growth and fruit, and promoting reproductive growth. So when should the jujube tree pick its heart? How to pick the heart? Let's get to know it with the editor.

1. Time for jujube tree to pick the heart

The period of heart-picking of jujube trees varies with different climates, generally at the beginning and early stage of flowering, the degree of heart-picking of jujube trees is also determined by the growth strength and growth position of jujube trees. Jujube trees with stronger growth and larger space can leave 5-6 secondary branches after coring, while jujube trees with moderate and small space generally leave 3-4 heads for coring, while jujube trees with weaker growth and small space can leave 1-2 secondary branches after coring, while jujube trees with growth space, no matter how strong or weak, do not leave secondary branches, but can keep 5-7 cm at the base.

2. Picking the heart from the jujube head

Jujube head coring can be divided into heavy coring and light coring, heavy picking in early May, when the new jujube head grows to 5ml 7cm, there is no space for the jujube head without extended branches and fruiting branches, leaving the base 1-3cm coring, and the period develops into lignified fruiting branches. Because the lignified fruit branch has high fruit setting rate, large fruit size and high quality, it is the main part of jujube orchard to grow high-grade fruit. For the new jujube head that sprouted after flowering, the new jujube head should be removed from the base as soon as possible; Erui and the new jujube head which was left as the main branch and extended branch, the new jujube head should be heart-picked when there were 5 secondary branches.

3. Pick the heart of the secondary branch

When the new jujube head left as the elongated branch and the fruiting branch group is coring, the upper secondary branch grows rapidly. At this time, the coring of the secondary branch can promote the development of the fruiting mother plant and lay the foundation for high yield. The secondary branches with strong growth appeared in 5-7 jujube strands and the weak secondary branches were coring in the presence of 2-4 jujube strands to make the fruiting branches close to the main branches.

4. Fruiting branches plucking hearts

The number of fruiting branches is large, there are many growth points, and the growing period is long. Picking out the heart of the branches can reduce the competition for nutrients and shift the focus of nutrient distribution from growth to flower and fruit development. At the same time, the coring of the fruiting branches can promote the size of the leaves, the leaves are large and fat, improve the photosynthesis and ensure the supply of nutrients. The coring of the fruiting branches should be coring at the half-large leaves before the first flowering. Generally, the common fruiting branches have 10-12 leaves, and the lignified fruiting branches have 18-20 leaves.

The above is the introduction of the heart-picking time and methods of jujube trees. I hope it can help you. If you want to know more about it, please follow us.