60-year-old aged ulmus parvifolia root segment cutting seedling raising method

A technique for growing seedlings by cuttings and Ulmus ulmis, which is applied in the field of root cuttings and seedlings of 60-year-old Ulmus ulmis, which can solve the problems of slow growth, weak vitality, and low survival rate, and achieve the goals of accelerating growth, increasing content, and promoting healing Effect

Inactive Publication Date: 2017-05-10
JIANGSU ACAD OF FORESTRY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The vegetative propagation of Ulmus ultifolia can adopt methods such as branch cutting and grafting, but because the inventor found in the breeding research experiment that the survival rate of old ulma ulmus branch cuttings or grafting methods is low, and what is more flawed is that this asexual After reproduction, the seedlings grow slowly and their vitality is not strong, so it is not suitable for the next step of clone breeding research

Method used

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  • 60-year-old aged ulmus parvifolia root segment cutting seedling raising method

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Embodiment 1

[0026] A kind of 60-year-old root cuttage seedling raising method of aged elm elm, comprising the following steps:

[0027] (1), female root is selected: after falling leaves in October-November, dig out the seed root, select the root bar with a thickness of 4mm, and cut the root bar into 6cm long segments, which is the female root;

[0028] (2), mother root storage: the mother root is carried out sand storage, and first 15 days, be placed in thickness and be 5cm, store in the sandy soil of 60% relative humidity, cover with 3cm dry sand afterward, 7 days before mother root cuttage, to Spray irrigation is carried out on the upper layer of sandy soil, and the humidity is adjusted to 65%;

[0029] (3) Mother root treatment: 2-3 months, take out the mother root from the sand and immediately irradiate it with ultraviolet rays for 2.5 minutes, the irradiation dose is 400mW / c㎡, then trim both ends into a horse-ear shape and dip it in rice washing water Mixed solution with garlic ext...

Embodiment 2

[0033] A kind of 60-year-old root cuttage seedling raising method of aged elm elm, comprising the following steps:

[0034] (1), female root is selected: dig out seed root after falling leaves in October-November, select the root bar that thickness is 5mm, and root bar is cut into the segment that 10cm is long, is mother root;

[0035] (2), mother root storage: the mother root is carried out sand storage, and first 15 days, be placed in thickness and be 5cm, store in the sandy soil of 60% relative humidity, cover with 3cm dry sand afterward, 7 days before mother root cuttage, to Spray irrigation is carried out on the upper layer of sandy soil, and the humidity is adjusted to 65%;

[0036] (3) Mother root treatment: 2-3 months, take out the mother root from the sand and immediately irradiate it with ultraviolet rays for 2.5 minutes, the irradiation dose is 400mW / c㎡, then trim both ends into a horse-ear shape and dip it in rice washing water Mixed solution with garlic extract; ...

Embodiment 3

[0040] A kind of 60-year-old root cuttage seedling raising method of aged elm elm, comprising the following steps:

[0041] (1), female root is selected: after falling leaves in October-November, dig the seed root, select the root bar with a thickness of 3mm, and cut the root bar into 6cm long segments, which is the female root;

[0042] (2), mother root storage: the mother root is carried out sand storage, and first 15 days, be placed in thickness and be 5cm, store in the sandy soil of 60% relative humidity, cover with 2cm dry sand behind, 5 days before mother root cuttage, to Spray irrigation is carried out on the upper layer of sandy soil, and the humidity is adjusted to 70%;

[0043] (3) Mother root treatment: 2-3 months, take out the mother root from the sand and immediately irradiate it with ultraviolet rays for 2 minutes, the irradiation dose is 35mW / c㎡, then trim the two ends into a horse-ear shape, dip in the rice washing water and A mixed solution of garlic extract;...

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Abstract

The invention relates to a 60-year-old aged ulmus parvifolia root segment cutting seedling raising method. The method mainly comprises the following steps of (1) selecting mother roots: excavating seminal roots after leaves fall in October to November, selecting root strips with the thickness of 3 to 5 mm, and connecting the root strips into small segments with the length of 5 to 10 cm, namely the mother roots; (2) storing the mother roots: storing the mother roots in sand, storing the mother roots in sandy soil with the thickness of 5 cm and the relative humidity of 60 percent in the first 10 to 20 days, covering with dry sand with the thickness of 2 to 3 cm, and performing spray irrigation on the upper layer of the sandy soil in 5 to 7 days before cuttage of the mother roots; (3) treating the mother roots: performing ultraviolet irradiation for 2 to 3 minutes at once after taking out the mother roots from the sandy soil and trimming the two ends of the mother roots into horse ear shapes; (4) performing cuttage: flatly burying the trimmed mother roots, with the notches facing downwards, into a substrate, wherein the root burying depth is 0.5 to 1 cm; and (5) performing management after cuttage. The method has important significance in breeding of new variety of ulmus parvifolia, and is high in cuttage survival rate.

Description

technical field [0001] The present invention relates to the breeding technology of elm elm, in particular to a method for raising seedlings by root section cutting of 60-year-old elm elm. Background technique [0002] Ulmus parvifolia (Latin scientific name: Ulmus parvifolia Jacq) is another name: Ulmus parvifolia. The shape of the tree is graceful, the posture is unrestrained, the bark is mottled, and the branches and leaves are fine and dense. It is very suitable to be planted alone or in clusters in the courtyard, or arranged with pavilions, mountains and rocks. It can also be used as a plant greening residential tree species in mining areas. The elm tree is hard and can be used for industrial materials; the stem bark fiber is strong and tough, and can be used as ropes and artificial fibers; the roots, bark, and young leaves are used as medicine to reduce swelling, relieve pain, detoxify and cure heat. External application can treat water and fire burns; leaves make soil...

Claims

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Application Information

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IPC IPC(8): A01G17/00
CPCA01G17/005
Inventor 蒋泽平汪有良蒋春邢玮黄利斌马骧朱朝芹王玉刚戴惠忠吴瑞石
Owner JIANGSU ACAD OF FORESTRY
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