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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Pruning of Lycium barbarum trees in the later stage of full fruit
In the later stage of full fruit, the growth of the tree was weak, the branches were less, the branches were short, and the yield decreased significantly. At this time, the main task of pruning is to enhance the tree potential, in addition to the general pruning of trees in the full fruiting period, but also to renew and rejuvenate the weak backbone branches or branches. The specific method is to use the overgrown branches to pick the heart in summer, send out the commission branches and cultivate them into a new branch group, and retract the backbone branches above the long branches. If there is no apprentice growing branch, it can be retracted to the middle of the 3-5-year-old backbone branch or even heavier during spring pruning, prompting the hidden buds below the cut to sprout and grow branches.
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Pruning technique of Chinese wolfberry
1. Pruning at an early age. 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 strips 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 their secondary fruiting branches. the strong branches growing upward from the lateral branches were selected to keep 2 ~ 3 branches in different directions of the hairy branches, at 30 cm.
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