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Indoor grafting method for fine breed of walnut in winter

An indoor grafting and improved seed technology, applied in botany equipment and methods, greenhouse cultivation, climate change adaptation, etc., can solve the problems of low survival rate and large seasonal influence, and achieve the effect of high survival rate and small seasonal influence

Inactive Publication Date: 2008-08-20
INST OF FORESTRY CHINESE ACAD OF FORESTRY
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Problems solved by technology

[0004] There are at least the following disadvantages in the above-mentioned prior art: greatly affected by seasons, low survival rate

Method used

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  • Indoor grafting method for fine breed of walnut in winter
  • Indoor grafting method for fine breed of walnut in winter
  • Indoor grafting method for fine breed of walnut in winter

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specific Embodiment

[0024] First of all, the selection of grafting materials is carried out: the varieties for indoor grafting are selected from Liaoning No. 1, Liaoning No. 7, Zhonglin No. 1 and other fine early-fruiting walnut varieties, and the scions are collected from the ear picking nursery of the pilot. The rootstock that adopts is the 1-year-old walnut seedling (this stock), and the rootstock specification requirement is that the diameter of the base reaches 1cm, the main root remains more than 20cm, the root system is complete, and there is no disease, frost damage and mechanical trauma on the seedling stem.

[0025] The composition and requirements of indoor grafting facilities are as follows: grafting facilities mainly include four parts: operation room, healing room, hotbed and greenhouse.

[0026] Operation room: the place for grafting operations, with an area of ​​10m for each operation group 2 , There should be heating facilities in the operation room to ensure that the room temper...

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Abstract

The invention discloses a winter indoor grafting method of walnut varieties, which is characterized in that, at first stimulated wakefulness is performed to the chosen walnut rootstock and scion; to be specific, the rootstock is temporarily planted on the hotbed of a wake-up chamber for five to seven days; the temperature of the substrate inside the hotbed is maintained between 15 DEG C to 25 DEG C; the scion is buried in the hotbed inside the wake-up chamber for stimulated wakefulness for one or two days; the water content of the substrate inside the hotbed is maintained between 50% to 55%; the temperature ranges from 25 DEG C to 26 DEG C; then grafting and grafted plants healing are carried out; to be specific, the grafted plants are arranged on the hotbed in a healing chamber; during the period of healing, the ambient temperature of the healing chamber is above 25 DEG C; the hotbed temperature ranges from 26 DEG C to 30 DEG C; the humidity of the substrate ranges from 50% to 55%; the healing period ranges from 8 days to 15 days; when the brood body of the grafted plants germinates, the grafted plants are transplanted. The winter indoor grafting method of walnut varieties has the advantages of small relevance to seasons and high survival rate.

Description

technical field [0001] The invention relates to a grafting technique, in particular to a method for indoor grafting of improved walnut varieties in winter. Background technique [0002] Walnut is one of the dry fruit tree species with rich germplasm resources. The current walnut cultivation is mainly based on seed propagation. The existing fruit trees are mainly walnut seed trees. The yield of walnut is low, the quality of fruit varies, and the commodity value is low. [0003] In the prior art, the walnut vegetative propagation technique is mainly applied to outdoor budding and grafting techniques to accelerate the scale propagation speed of fine walnut varieties. [0004] There are at least the following disadvantages in the above-mentioned prior art: it is highly affected by seasons and the survival rate is low. Contents of the invention [0005] The purpose of the present invention is to provide a method for indoor grafting of improved walnut varieties in winter which ...

Claims

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Application Information

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IPC IPC(8): A01G1/06A01G17/00A01G9/14E04H5/08
CPCY02A40/25
Inventor 张建国裴东张俊佩毛向红
Owner INST OF FORESTRY CHINESE ACAD OF FORESTRY
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