Method for quickly breeding rare specific tea germplasm

A tea tree and rare technology, which is applied in the field of propagation and protection of plant resources, can solve problems such as inapplicability of rare and specific tea tree germplasm, etc., and achieve the effects of improving seedling efficiency, rapid growth, and expanding the number of resources.

Inactive Publication Date: 2019-09-20
LISHUI AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the rapid propagation methods of tea trees include short spike cuttings, container cutting seedlings and grafting, etc., but none of them are suitable for rare and specific tea tree germplasm.

Method used

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  • Method for quickly breeding rare specific tea germplasm
  • Method for quickly breeding rare specific tea germplasm
  • Method for quickly breeding rare specific tea germplasm

Examples

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Effect test

Embodiment 1

[0021] A method for rapidly breeding rare and specific tea tree germplasm, comprising the following steps:

[0022] 1) fringe collection and preservation: ancient tea trees, old tea gardens, and group-planted tea gardens find fringe of rare tea tree resources, and in described step 1, the fringes of ancient tea trees, old tea gardens, and group-planted tea gardens are cut from the new-born and lignified diameters of the year. For the branches of 0.2-0.6cm, moisturise with wet newspaper or thin damp cloth, place them in a foam box with a humidity of 85% and bring them back as grafted scion strips;

[0023] 2) grafting and management: the fringe is cut into a scion with a robust axillary bud length of 2-5cm, and the tip is flattened for use; the diameter is 2.0-3.5cm, and the age of the tree is 6 years, and the tea tree of 4cm on the ground is flattened and smooth. As the rootstock for grafting, use the split grafting method to use a grafting knife to cut the rootstock in the ce...

Embodiment 2

[0029] A method for rapidly breeding rare and specific tea tree germplasm, comprising the following steps:

[0030] 1) fringe collection and preservation: ancient tea trees, old tea gardens, and group-planted tea gardens find fringe of rare tea tree resources, and in described step 1, the fringes of ancient tea trees, old tea gardens, and group-planted tea gardens are cut from the new-born and lignified diameters of the year. For 0.2-0.6cm branches, moisturise with wet newspaper or thin damp cloth, place them in a foam box with a humidity of 90% and bring them back as grafting strips;

[0031] 2) Grafting and management: the fringe is cut into a scion with a robust axillary bud length of 2-5cm, and the tip is flattened for use; the diameter is 3.5-4.5cm, and the age of the tree is 10 years, and the tea tree of 5cm on the ground is flattened and smooth. As the rootstock for grafting, the rootstock was cut crosswise with a grafting knife to a depth of 3.2 cm, and the scion was i...

Embodiment 3

[0037] A method for rapidly breeding rare and specific tea tree germplasm, comprising the following steps:

[0038] 1) fringe collection and preservation: the fringe of rare tea tree resources found in ancient tea trees, old tea gardens, and group-planted tea gardens; For 0.2-0.6cm branches, moisturise with wet newspaper or thin damp cloth, place them in a foam box with a humidity of 95% and bring them back as grafted scion strips;

[0039] 2) Grafting and management: the fringe is cut into the scion with 2 robust axillary buds of length 2-5cm, and the tip is flattened for use; the diameter is 3.0-4.5cm, and the age of the tree is 12 years, and the tea tree of 7cm on the ground is flattened and smooth. As the rootstock for grafting, the rootstock was cut crosswise with a grafting knife to a depth of 3.5cm, and the scion was inserted into the rootstock so that the phloem of the rootstock and the phloem of the scion were completely overlapped, and the entire interface was covere...

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Abstract

The invention belongs to propagation expanding protection technologies of plant resources, and particularly relates to a method for quickly breeding rare specific tea germplasm. The method for quickly breeding the rare specific tea germplasm comprises the following steps of 1, scion collection and freshness retaining; 2, grafting and management; 3, management after grafting; 4, scion maintenance, collection and freshness retaining; 5, cuttage; 6, management after cuttage. Grafted new branches are directly taken as cuttage scions, the features of quick growth of grafting are utilized for propagation expanding of the cuttage scions, and the number of seedlings formed through cuttage seedling raising is guaranteed.

Description

technical field [0001] The invention belongs to the propagation protection technology of plant resources, in particular to a method for rapidly breeding rare and specific tea tree germplasm. Background technique [0002] The sustainable and healthy development of the tea industry requires specific germplasm support. The industrialization of specialty tea products is basically led by specific germplasm resources. In the 1980s, "Anji White Tea" was discovered in northern Zhejiang, which became a new bright spot of green tea in my country and ignited the A boom in the development of "white tea" strains in the green tea category. However, it is found that these tea tree specific resources are often only single-plant resources, and the number of resources is very small, which makes it difficult to rapidly asexually propagate and expand the population, which hinders the evaluation, exploration, and utilization of tea tree resources. Therefore, it is very important to invent a meth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/10A01G2/30A01G24/10A01G24/15
CPCA01G2/10A01G2/30A01G24/10A01G24/15
Inventor 疏再发何卫中吉庆勇娄艳华郑生宏邵静娜刘瑜
Owner LISHUI AGRI SCI
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