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A kind of method and application of rapid establishment of seed orchard of red cone clone

A clone and red cone technology, applied in horticultural methods, applications, fertilization methods, etc., can solve the problems that limit the long-term sustainable and stable development of the red cone industry, weak asexual reproduction system, limited seed production capacity, etc., to ensure forest stand Effects of viability, shortening flowering time, and increasing seed setting rate per plant

Active Publication Date: 2021-09-03
GUANGDONG ACAD OF FORESTRY
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Problems solved by technology

[0003] The demand for improved red cone seedlings in South China is increasing day by day, but the core technology of red cone asexual reproduction has not yet been broken through, and the asexual reproduction system is weak. At present, it mainly relies on seedlings for afforestation, and the seed production capacity is limited, which greatly limits the long-term sustainability of the red cone industry. The steady development of

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  • A kind of method and application of rapid establishment of seed orchard of red cone clone
  • A kind of method and application of rapid establishment of seed orchard of red cone clone
  • A kind of method and application of rapid establishment of seed orchard of red cone clone

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Embodiment 1

[0076] Apply the method provided by the invention to set up a red cone improved seed garden in Sihui, Zhaoqing City, with an area of ​​100 mu. The process of building a garden is as follows: figure 1 As shown, the implementation steps are as follows:

[0077] (1) Location / stand selection

[0078] Located in Dananshan Forest Farm, Zhenshan District, Sihui City, Guangdong Province, the geographical location is 112°45' east longitude and 23°22' north latitude. It belongs to the subtropical monsoon climate, with an annual average temperature of 22.2°C, the highest average temperature in July is 29.6°C, the lowest average temperature in January is 13°C, and the annual rainfall is more than 1400mm. From 4.75 to 5.20, the existing red cone stand is 8 years old, growing vigorously, free from diseases and insect pests, and the ground diameter is >6cm; it is located on a sunny slope with convenient transportation, gentle slope and good soil water permeability, within 20m around There...

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Abstract

The invention provides a method for quickly establishing a red cone clone seed garden and its application, belonging to the technical field of tree breeding. The method for quickly establishing a seed orchard of the red cone clone includes stand selection, stem cutting to promote germination, rootstock treatment, parental material selection, scion collection, high-level grafting, and post-management procedures. For the first time, the present invention proposes to use red cone trees with 5-10 years of growth as rootstocks, use selected fast-growing high-quality scions suitable for gardening selected in consideration of the genetic distance and the ratio of male and female flowers as materials, and carefully explore and design matching Grafting technology can quickly build a seed garden of excellent clones. The present invention is different from the original stock grafting based on seedlings or saplings in the past. Through the scheme of the present invention, the flowering time can be shortened rapidly, early fruiting can be promoted, and forests can be quickly formed, which not only guarantees the vitality of the forest stands in the seed garden, but also ensures high quality High-efficiency productivity of improved breeds.

Description

technical field [0001] The invention belongs to the technical field of forest tree breeding, and in particular relates to a method for quickly establishing a seed orchard of red cone clones and an application thereof. Background technique [0002] Castanopsis hystrix, also known as Hongli, Chili, Limu, Castanopsis, etc., is an evergreen tree of the Fagaceae Castanopsis hystrix. It has a vigorous growth period and a good growth rate. It can be felled more than 10 times in one afforestation. As an important and precious tree species in South China, red cone has been increasingly valued. It has developed rapidly in recent years and is widely planted in Guangdong, Guangxi, Fujian, Jiangxi and other places. [0003] The demand for improved red cone seedlings in South China is increasing day by day, but the core technology of red cone asexual reproduction has not yet been broken through, and the asexual reproduction system is weak. At present, it mainly relies on seedlings for af...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G2/30A01G7/06A01C21/00A01G23/00
CPCA01C21/005A01G7/06A01G17/005A01G23/00A01G2/30
Inventor 张卫华潘文陈新宇徐斌廖焕琴杨晓慧徐放朱报著杨会肖王裕霞
Owner GUANGDONG ACAD OF FORESTRY
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