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Method for efficiently grafting walnut clone seedlings

A clonal, walnut technology, applied in the directions of botanical equipment and methods, horticulture, cultivation, etc., can solve the problems of low grafting survival rate, high cost, low seedling emergence, etc., so as to improve the production quantity and economic benefits, and grafting survival rate. The effect of high and high out-of-plant rate

Inactive Publication Date: 2015-07-29
贵州省林业科学研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Bud grafting in plateau areas is seriously affected by climate change, and the time of year is different. It is difficult to grasp the best time. The survival rate of grafting is unstable, and it is difficult to survive the winter. The preservation rate of the year is less than 20%.
Another method of raising seedlings is the field grafting system: spring grafting, the time of grafting varies from place to place every year, and different methods show different survival rates. Compared with bud grafting, the cost is higher
However, the above two seedling raising methods are seriously affected by the climate, and there are problems such as low grafting survival rate and small seedling emergence per unit area.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A method for efficiently grafting walnut clone seedlings, comprising the steps of:

[0027] (1) Rootstock selection: select walnut seeds of uniform size and no pests and diseases, soak them in clean water for 1 day from March to May, and then bury them in the sand bed at a depth of 5-7 cm. After watering, cover the ground and replenish water in time until the seeds germinate , when the germ grows to be greater than or equal to 5 cm, it will be used as a rootstock; if the sprouts are unearthed, they will be used as a rootstock, which will affect the grafting effect;

[0028] (2) Treatment of spikes: select an excellent clone (plant less than 1.5 meters), take seedlings from the nursery before the sprouts germinate in 3-4 months, lay flat on the sand bed, and cover 4-5 cm. Sand, pour enough water or MS liquid nutrients, add black plastic film, play the role of moisturizing and warming, timely management and protection, when the sprouts grow to more than 3 cm, pick the spr...

Embodiment 2

[0039] A method for efficiently grafting walnut clone seedlings, comprising the steps of:

[0040] (1) Rootstock selection: pick walnut seeds of uniform size and no pests and diseases, soak them in clean water for 1 day from March to May, and then bury them in the sand bed at a depth of 5-7 cm. After watering, cover the ground, replenish water in time, and wait for the seeds to germinate , when the germ grows to be greater than or equal to 5 cm, it will be used as a rootstock; if the sprouts are unearthed, they will be used as a rootstock, which will affect the grafting effect;

[0041] (2) Treatment of spikes: select a single plant of excellent clones, and before the buds germinate in March to April, the dense branches are first tied up with ropes and then covered with black plastic bags. After 20 days, the axillary buds grow to more than 3 cm, extract the axillary buds as grafted scion;

[0042] (3) Grafting and management and protection: the fringe bar of step (2) is graft...

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PUM

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Abstract

The invention belongs to the technical field of grafting culture, and particularly relates to a method for efficiently grafting walnut clone seedlings. The method comprises three steps including stock selection, scion processing and grafting and management. According to the method, walnut seeds with uniform sizes and no diseases or pests are selected for germination to be used as the stocks, good clone single sprouting buds are used as grafting scions for grafting, a thin film with the width being 3 cm is used as a binding belt for binding, and grafting buds are obtained; the grafting buds are put into a sand bed to be cultured, and the grafting clone walnut seedlings are obtained. The scion nursery output rate is high, the single annual nursery output rate reaches 50, and the problem of insufficient supply of good clone single plants or scion picking nursery building early stage can be effectively solved. When the method provided by the invention is adopted, the grafting season is advanced, the conventional grafting time is staggered, and the production quantity and the economic benefits can be improved. The method has the advantages that the grafting survival rate is high, and the method can be used as an effective supplementing measure of the existing walnut grafting method.

Description

technical field [0001] The invention belongs to the technical field of grafting and cultivation, in particular to a method for efficiently grafting walnut clone seedlings. Background technique [0002] Walnut is called "longevity fruit" in China, and "puzzle fruit" abroad. From ancient times to the present, it is considered to be the most suitable nut for mental workers. According to historical records, as early as the Sui and Tang Dynasties in my country, examinees used walnuts to strengthen their brains. Modern research has proved that because walnuts are high in phospholipids, they can promote brain circulation, enhance memory, and relieve excessive brain use. Traditional Chinese medicine believes that walnuts "moisturize the skin and blacken the beard and hair"; modern nutrition believes that the multivitamins contained in walnuts can make the skin more delicate and the complexion more moist. The protein content in walnut kernel is second only to the oil content. Walnu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06A01G17/00
Inventor 罗在柒黄磊
Owner 贵州省林业科学研究院