Micro-grafting method for tea trees

A micro-grafting and tea tree technology, applied in the field of tea tree propagation, can solve the problems of complicated procedures, inability to ensure good growth of plants, long cultivation cycle, etc., and achieve the effects of improving the reproduction coefficient, solving the problem of supply and demand of fine seeds, and reducing the cost of seedling cultivation.

Pending Publication Date: 2022-04-29
GUIZHOU ACAD OF AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above-mentioned invention has the disadvantages: 1. The selection of stock seedlings is relatively old, so that the stem tips used as scions are easy to dry out, brown and die; 2. The process is complicated and labor-intensive, resulting in high cost; 3. Tea tree scion Wound healing treatment is not carried out during grafting, which cannot ensure good growth of plants, resulting in low plant survival rate; 4. It is easily affected by the environment, and the environmental conditions of plant growth cannot be artificially controlled
[0007] The above invention has disadvantages: 1. The labor intensity is high and fertilization is required, resulting in high cost; 2. The cultivation cycle is long; 3. Due to seasonal restrictions and environmental influences, the environmental conditions for plant growth cannot be artificially controlled; 4. The rootstock has not been well protected, and there is a problem that the rootstock loses water quickly and cannot deliver nutrients and water to the scion well, resulting in a low survival rate of the plant

Method used

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  • Micro-grafting method for tea trees
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  • Micro-grafting method for tea trees

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The micro-grafting method of embodiment 1 tea tree

[0043] S1. Preparation of rootstock material: the 10-12 month-born Qianmei 601 variety obtained by cuttings was used as a rootstock, and was transplanted into flower pots in a greenhouse in early spring, with 1-2 plants per pot with a diameter of 18 cm and 1-2 plants per pot with a diameter of 34 cm. Pot 4-5 strains, set greenhouse temperature as 23-25 ​​℃, humidity is 76-80%, allow rootstock seedling to adapt to new environment, make transplanting survival rate reach more than 90%, stand-by;

[0044] S2. Preparation of scion material:

[0045] S21. Tea tree stem section pretreatment: select the young stem section of the variety 'Highland Green' that has just germinated and is free from diseases and insect pests as explants, first perform stem section pretreatment, gently scrub the branches with a fine brush dipped in detergent, cut Remove the leaves, keep part of the petiole, soak the stem section with 1 axillary bu...

Embodiment 2

[0052] The micro-grafting method of embodiment 2 tea tree

[0053] S1. Preparation of rootstock materials: the annual 'Qianmei 601' rooted by cuttings was transplanted into flower pots in the greenhouse in early spring, with 1-2 plants per pot with a diameter of 18 cm, and 4-5 plants per pot with a diameter of 34 cm. It is 23-25 ​​℃ that greenhouse temperature is set, and humidity is 76-80%, allows rootstock seedling to adapt to new environment, makes transplanting survival rate reach more than 90%, stand-by;

[0054] S2. Preparation of scion material:

[0055] S21. Tea tree stem section pretreatment: select the young stem section of the variety 'Highland Green' that has just germinated and is free from diseases and insect pests as explants, first perform stem section pretreatment, gently scrub the branches with a fine brush dipped in detergent, cut Remove the leaves, keep part of the petiole, soak the stem section with 1 axillary bud cut from the branch in the detergent solu...

Embodiment 3

[0062] The micro-grafting method of embodiment 3 tea tree

[0063] S1. Preparation of rootstock materials: the annual 'Qianmei 601' rooted by cuttings was transplanted into flower pots in the greenhouse in early spring, with 1-2 plants per pot with a diameter of 18 cm, and 4-5 plants per pot with a diameter of 34 cm. It is 23-25 ​​℃ that greenhouse temperature is set, and humidity is 76-80%, allows rootstock seedling to adapt to new environment, makes transplanting survival rate reach more than 90%, stand-by;

[0064] S2. Preparation of scion material:

[0065]S21. Tea tree stem section pretreatment: select the young stem section of the variety 'Highland Green' that has just germinated and is free from diseases and insect pests as explants, first perform stem section pretreatment, gently scrub the branches with a fine brush dipped in detergent, cut Remove the leaves, keep part of the petiole, soak the stem section with 1 axillary bud cut from the branch in the detergent solut...

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Abstract

The invention provides a micro-grafting method for a tea tree. The micro-grafting method comprises the following steps: 1, preparing a stock material; 2, preparing a scion material; 3, micro-grafting; according to the method, 10-December 'Meitan' is selected as a stock, a rootless tissue culture seedling 'plateau green' is selected as a scion, the scion is subjected to a rapid propagation system, explant disinfection, bud and leaf germination culture, multiplication culture, strong seedling culture, seedling hardening and final grafting, and the scion and the stock are healed to form a complete plant. The method can realize industrialized seedling production, solves the problem of supply shortage of improved seedlings in tea garden construction, provides a new way for tea tree propagation, and brings greater economic benefits and social benefits to the society.

Description

technical field [0001] The invention relates to tea tree propagation technology, in particular to a method for micro-grafting of tea trees. Background technique [0002] Tea (Camellia sinensis (L.) O.Kuntze) belongs to the genus Camellia of the family Theaceae, an evergreen woody plant, native to Southwest China, and the tea beverage made from its bud leaves after processing is one of the world's three major non-alcoholic beverages First, because of its advantages of low sugar content, multi-nutrition and health care functions, it is considered to be the beverage with the most vitality and development prospects. It is also an important agricultural product and economic crop for my country's foreign trade and export earnings, and has now become an important part of getting rich. component. The rich nutritional value and medicinal value of tea are closely related to its complex chemical composition. There are about dozens of components, mainly including tea polyphenols, tea pol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/30A01H4/00A01G17/00
CPCA01G2/30A01H4/008A01H4/002A01G17/005
Inventor 赵德刚陈利东鄢东海沈妮刘凯赵懿琛
Owner GUIZHOU ACAD OF AGRI SCI
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