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Quick reproducing method for improved walnut seeds

A walnut, rapid technology, applied in the field of rapid propagation of improved walnut varieties, can solve the problems of high equipment and technical requirements, long seedling cultivation cycle, high technical requirements, etc., achieve the effects of shortening the seedling cultivation cycle, reducing seedling loss, and broad application prospects

Inactive Publication Date: 2007-02-14
樊金拴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the current nuclear indoor seedling root grafting, outdoor summer budding, and seedling grafting technologies generally have the problems of long seedling cultivation cycle, low efficiency, high cost, high equipment and technical requirements, and it is difficult to popularize
As for the group cultivation of walnut seedlings, the problems of medium selection and rooting have not been solved, and the equipment investment is large and the technical requirements are high, so it is still far behind.

Method used

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Embodiment Construction

[0021] The invention comprises the following operation steps: stock seedling cultivation → scion collection, storage and treatment → grafting → planting → management. The specific operation process is as follows:

[0022] ①Stock seedling cultivation: choose walnut, walnut catalpa, or wild walnut with large seeds and full kernels as the stock seed. After soaking the seeds to accelerate germination, when the crack of the walnut is white, dip it in 300ppm gibberellin liquid, and Sow on the prepared seedbed in the greenhouse from early to mid-November. When sowing, the abdominal suture of the walnut is perpendicular to the ground, and the thickness of the covering soil is 8-10 cm. It is required to control the temperature of the greenhouse at 15-20°C and the relative humidity at 70%. After the seedlings are unearthed, the irrigation should be properly controlled to promote the thickening and growth of the root system.

[0023] ② Collection and processing of scions: collect well...

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Abstract

The present invention relates to one fast improved walnut plant propagating process with low cost, fast seedling growth, high survival rate, high quantity, simple operation and high efficiency. The process includes the following steps: seeding walnut seed after germination stimulation and soaking in gibberellin liquid to seedling bed to cultivate tree stock; collecting scion from branch of mother plant and sealing with wax; grafting the scion with wedged lower end after being soaked with naphthylacetic acid solution to the tree stock; cutting the roots of the grafted seedling and treating roots with naphthylacetic acid solution; and planting the grafted seedling to the seedling bed while exposing the cut over ground and watering for rooting.

Description

1. Technical field: [0001] The invention relates to a method for raising walnut seedlings, in particular to a method for rapid propagation of improved walnut varieties. 2. Background technology: [0002] Walnut is an important ecological and economical tree species in my country, and the relative difficulty in breeding improved walnut varieties is an important factor restricting the process and industrialization of improved walnut varieties in my country. Since the 1970s, domestic walnut breeding methods have mostly adopted indoor seedling stock grafting, outdoor summer bud grafting and seedling grafting. These methods all have the disadvantages of low efficiency, long seedling cultivation period, high cost, and difficulty in meeting the urgent needs of production. The main manifestations are: 1. Due to the high content of tannin, the survival rate of walnut seedlings grafted by conventional methods is extremely low. In production, rootstock seedlings are usually planted in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/06A01C1/00A01G7/00A01G17/00
Inventor 樊金拴
Owner 樊金拴
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