The technique of pruning medlar
I. Juvenile pruning
1. Trunk pruning: seedling germination stage, the trunk base stem 40 cm (branch belt) below the bud cut off, in the plant height of 60 cm ~70 cm at the top.
2. Summer pruning: from late April to late July, the sprouts within the hair stem branching belt are cut off at an interval of 15 days, and the lateral branches left on the branching belt are cut short at the position of 20 cm to 25 cm to promote the germination of secondary fruiting branches; the strong branches growing upward are selected to retain 2 to 3 branches depending on different directions of hair branches, and the fruiting branches are spliced at the position of 30 cm to promote the germination of fruiting branches.
3. Autumn pruning: September to October, cut off the plant roots, trunk, crown by the long branches. The fruiting branch group was cultivated gradually in the next two years, and basically formed in the fourth year.
II. Pruning at maturity
1. Dormancy pruning (1) shear: cut off plants, rhizomes, trunk, bore, crown on the top of the useless long branches and canopy disease, insects, residual branches and fruit branches group too dense thin weak branches, old fruit branches. (2) Truncation: Truncation of middle and upper cross branches and strong fruiting branches of crown.
2. Summer pruning: after the first fruit, prune the trunk, rhizome, bore, top of the crown and the over-dense branch group inside the crown. Leave 10 cm ~20 cm short for fruiting mother branches, promote branching and autumn fruit.
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Pharmacological effects of Lycium barbarum
Lycium barbarum is a deciduous shrub with a height of 1.5m-2m. It has a growth period of 35-50 years, with eggplant red or reddish florets and bright red fruits the size of jujube stones. It is a rare and valuable traditional Chinese medicine and tonic, which has the functions of tonifying, treating deficiency, anti-aging, protecting liver and promoting and regulating immune function. As a medicinal material, Chinese wolfberry has a long history in China. In addition to the records in the Book of songs, Su Dongpo in the Song Dynasty said in the poem "small Garden Chinese wolfberry": "Rhizome and flower fruit, pick up no waste."
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Morphological characteristics and suitable environment of Lycium barbarum
[morphological characteristics] Lycium barbarum is a deciduous shrub with a height of 1.5 to 2 meters. Bark grayish white, smooth when young; dark brown, furrowed when old. The crown is open, the branches are slender, and the apex is usually curved and drooping, often in the shape of spines. Leaves alternate or several fascicled, leaf blade ovate-lanceolate or narrowly Obovate, entire, flowers solitary or clustered in leaf axils, Corolla pink or purplish red, berries elliptic or ovoid, red or orange when ripe. [suitable environment] like cool climate, light, cold, drought, salt and alkali tolerance, strong adaptability, deep and fertile soil layer
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