Pruning technique of Chinese wolfberry
I. pruning at an early age
1. Before the seedling sprouting, cut off the sprouts below 40 cm (branch band) on the trunk basal stem and cut the top at the plant height of 60 cm ~ 70 cm.
two。 In summer pruning from late April to late July, the sprouting shoots within the hairy stem branch band were cut off at an interval of 15 days, and the lateral branches left on the branch belt were cut short at 20 cm ~ 25 cm to promote secondary fruiting shoots. 2 ~ 3 strong branches growing upward from the hairy branches in different directions were selected and cut at 30 cm to promote fruiting branches.
3. From September to October, the overgrown branches in the rhizome, trunk and crown of the plant were cut off in autumn. The branch group was cultivated gradually in the next two years, and it was basically formed in the fourth year.
2. Adult pruning
1. Dormant pruning ① scissors. Cut off the useless overgrown branches in the plant, rhizome, trunk, bore and crown, as well as the overdense weak branches and old fruiting branches on the canopy disease, insect, residual branch and fruiting branch group. ② intercept. Short cross branches in the middle and upper parts of the crown and strong fruit branches.
two。 After the first result of summer pruning, the trunk, rhizome, bore, overgrown branches at the top of the crown and overdense branches inside the crown were cut off. The fruiting mother branch is cut short by 10 cm ~ 20 cm to promote the branches to bear autumn fruit.
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Growth and fruiting habits of Lycium barbarum
1.1 Lycium barbarum is a perennial shrub that can bear fruit for as long as 50 years. Generally speaking, the best fruiting period is about 10 years, in which 1 ~ 2 years is the fruiting juvenile stage, 3 ~ 4 years is the early fruiting stage, 5 ~ 6 years is the full fruiting period, 7 ~ 8 years is the last fruiting stage, and 9 ~ 10 years is the fruiting senescence period. 1.2 the fruiting ability of current and biennial fruiting branches is the strongest, the fruiting ability of perennial branches is poor, and the branching ability of three-year-old and two-year-old spring shoots is the best. Mastering the habits of these results plays an important guiding role in reasonable pruning.
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Shaping and pruning technique of Lycium barbarum
In order to have a high yield, Chinese wolfberry must first be cultivated into a good tree shape. Lycium barbarum has strong branching ability, luxuriant growth, and has the characteristics of blooming and fruiting twice a year. Poor management, shaping and pruning will not only affect the yield of the same year, but also make the tree senescence ahead of time. Therefore, reasonable shaping and pruning is an important measure for high and stable yield of Lycium barbarum. The main results are as follows: 1. The tree shape of Lycium barbarum should be cut into umbrella-shaped circles with three layers of fruiting branches. The Chinese wolfberry planted in the first year was topped and dried at a height of about 60cm above the ground in early spring, and 10 ~ 20cm under the cut mouth.
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