A two-year-old Camellia oleifera seedling raising method with light substrate

A technology of light substrate and Camellia oleifera, applied in fertilization methods, seed immunization, seed and rhizome treatment, etc., can solve the problems of low survival rate of afforestation, increase of seedling raising cost, low proportion of qualified seedlings, etc., to reduce uneven lighting of seedlings, Improve the effect of seedling emergence rate, fibrous root volume and branching improvement

Active Publication Date: 2021-07-02
重庆酉州油茶科技有限公司
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the production of light matrix seedlings on the market, for convenience, they are grafted or cut and transplanted directly into a nutrition bag or a nutrition cup to produce two young matrix seedlings. However, due to factors such as density, overlord seedlings, and survival rate The proportion of qualified seedlings that can go out of the nursery is relatively low, and the qualified rate of seedlings out of the nursery is generally less than 80% of the survival rate of grafting or cuttings; and the phenomenon of well-developed taproots and underdeveloped fibrous roots of cultivated tea seedlings is also common, resulting in a low survival rate for afforestation. After the seedlings come out of the nursery, empty nutrition bags can be seen everywhere in the nursery, which not only pollutes the environment but also increases the cost of seedling cultivation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Preparation of modified camphor wood balls: use camphor wood balls with a diameter of 3 to 4 cm at a rate density of 10 5 ~10 6 W / cm 2, the laser pulse width is 60ns ~ 80ms, the laser micro treatment is carried out under the condition of the laser frequency of 100 ~ 150Hz, a number of micropores are produced on the surface of the camphor wood ball, and then the treated camphor wood ball is placed at 50 ~ 60 ℃ After vacuum-drying under conditions until the water content is 10-15%, put the camphor wood balls in a tube furnace, heat up to 200°C at a rate of 5°C / min in a low-oxygen environment, and calcinate for 30-40min Obtain semi-carbonized camphor wood balls; process semi-carbonized camphor wood balls with nanosecond pulse dielectric barrier discharge technology to obtain modified camphor wood balls, wherein the power supply of nanosecond pulse dielectric barrier discharge adopts nanosecond pulse source SPG200N, The rising edge of the output voltage is 15ns, the pulse...

Embodiment 2

[0055] The seedling raising method of this embodiment is the same as that of Embodiment 1, and the difference is that no composite bactericidal granules are added in the step of storing in sand.

Embodiment 3

[0057] The preparation of modified camphor balls is the same as in Example 1.

[0058] The preparation of the bactericidal particles is the same as in Example 1.

[0059] The preparation of the composite bactericidal granules is the same as in Example 1.

[0060] Seed selection and pretreatment: Select tea seeds with high maturity, large grains, plumpness, and no mildew, soak them in 0.4% potassium permanganate solution for 15 minutes, wash them with water until they are colorless, and dry them for later use.

[0061] Sand storage: take fresh river sand, stir it under the irradiation of ultraviolet light, dilute thiophanate-methyl to 1000-2000 times at the same time, then spray it on the fresh river sand, keep stirring for 30 minutes, add 1 / 5 fresh river sand Sand-quality composite bactericidal particles, after mixing evenly, control the humidity of the river sand to 10-15%, that is, it can form a ball when held by hand, and it will crack when loosened, and the hand will not ...

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Abstract

The present invention relates to the technical field of Camellia oleifera planting, in particular to a method for raising seedlings of two-year-old camellia oleifera with light substrates, including seed selection and pretreatment-sand storage-germination-acceleration-soil preparation-ear picking and grafting-planting-seedling management-replanting-density adjustment The first step is to move one of the two surviving plants into the empty bag when replanting, which improves the utilization rate of the nutrition bag. Compound bactericidal granules. The light-substrate seedling raising method of two-year-old camellia oleifera of the present invention increases the steps of replanting and density adjustment, improves the emergence rate per unit area to a certain extent, and the proportion of qualified seedlings reaches more than 95% after successful grafting, effectively improving the The emergence rate of seedlings and the survival rate of Camellia oleifera afforestation have saved the cost of seedling afforestation to a certain extent.

Description

technical field [0001] The invention relates to the technical field of Camellia oleifera planting, in particular to a method for raising seedlings of two-year-old camellia oleifera with a light substrate. Background technique [0002] Camellia oleifera is an evergreen small tree belonging to the family Theaceae. The camellia oil extracted from camellia oleifera seeds is clear in color, fragrant in taste, rich in nutrition, and durable in storage. In recent years, my country has vigorously developed the camellia oleifera industry. Camellia oleifera seedlings are the basis for the development of the camellia oleifera industry. Without high-quality seedlings, the success rate of camellia oleifera afforestation and industrial benefits cannot be guaranteed, which increases the investment cost and industrial risk of the camellia oleifera industry. At present, the camellia oleifera afforestation seedlings in my country are mainly biennial bare root or container seedlings, and the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01C21/00A01C1/00A01C1/08
CPCA01C1/00A01C1/08A01C21/005A01G17/005Y02P60/40Y02A40/22
Inventor 张龙成冉茂友杨雄谢永胜石世兵彭昌洲刘华薛兰兰
Owner 重庆酉州油茶科技有限公司
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