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High-survival-rate method for grafting walnuts to juglans cathayensis stocks

A wild walnut, survival rate technology, applied in grafting, fertilization methods, soil preparation methods, etc., can solve the problems of germs invading plants, slow healing, and low survival rate of grafting, to promote proliferation and redifferentiation, easy to smear, and improve grafting The effect on survival

Pending Publication Date: 2021-02-26
贵州省核桃研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the purpose of the present invention is to provide a method for grafting walnuts with wild walnut rootstocks with high survival rate, to solve the problems of slow healing and easy invasion of plants from the grafting interface by germs, resulting in low grafting survival rate.

Method used

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  • High-survival-rate method for grafting walnuts to juglans cathayensis stocks
  • High-survival-rate method for grafting walnuts to juglans cathayensis stocks

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The experiment was carried out in October 2018. The experimental site was the experimental forest farm of Guizhou Academy of Forestry, with an area of ​​0.2 mu. The grafted plants were randomly selected, and the number was 100. The wild walnut seeds were collected in Pan County, Guizhou, and the scion varieties were from Guizhou Province. Excellent single plant of soaked walnut, three repetitions were set up in this example.

[0035] S1: Seed collection. The seeds of wild walnut fruit trees in the same year are collected as rootstocks for cultivation. The color of wild walnut green peel gradually changes from dark green to light yellow, and more than 2 / 3 of the walnut peel is cracked. Remove the green skin from the seeds, choose plump and robust seeds without pests and diseases, and place them in a cool and ventilated place to dry for later use;

[0036] S2: Germination of seeds, soak the seeds collected in step S1 with warm water at 50°C for 48 hours, remove the floati...

Embodiment 2

[0043] The experiment was carried out in October 2018. The experimental site was the experimental forest farm of Guizhou Academy of Forestry, with an area of ​​0.2 mu. The grafted plants were randomly selected, and the number was 100. The wild walnut seeds were collected in Pan County, Guizhou, and the scion varieties were from Guizhou Province. Excellent single plant of soaked walnut, three repetitions were set up in this example.

[0044] In this embodiment, healing gel needs to be prepared before grafting, and the preparation method of healing gel is as follows:

[0045] (1) 10g of gelatin is prepared into 1wt% gelatin solution, and then 35g of calcium carbonate is added to suspend calcium carbonate in the gelatin solution to obtain a gelatin-calcium carbonate suspension;

[0046] (2) Dissolving 0.1g β-sitosterol and 0.01g brassinolide in 100g 0.1wt% propanol solution to prepare β-sitosterol-brascin lactone mixed solution;

[0047] (3) Add 0.2g lignin to 50g 0.2mol / L hydro...

Embodiment 3

[0052] The experiment was carried out in October 2018. The experimental site was the experimental forest farm of Guizhou Academy of Forestry, with an area of ​​0.2 mu. The grafted plants were randomly selected, and the number was 100. The wild walnut seeds were collected in Pan County, Guizhou, and the scion varieties were from Guizhou Province. Excellent single plant of soaked walnut, three repetitions were set up in this example.

[0053] In this embodiment, healing gel needs to be prepared before grafting, and the preparation method of healing gel is as follows:

[0054] (1) 10g of gelatin is prepared into 1wt% gelatin solution, and then 35g of calcium carbonate is added to suspend calcium carbonate in the gelatin solution to obtain a gelatin-calcium carbonate suspension;

[0055] (2) 0.2g β-sitosterol and 0.02g brassinolide were dissolved in 100g 0.1wt% propanol solution to prepare β-sitosterol-brascin lactone mixed solution;

[0056] (3) Add 0.3g lignin to 80g 0.2mol / L h...

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Abstract

The invention discloses a high-survival-rate method for grafting walnuts to juglans cathayensis stocks, and belongs to the technical field of walnut cultivation. The method comprises the following steps of S1, seed collecting, specifically, removing green seedcases after collecting fruits, and drying the fruits in the air for later use; S2, germination accelerating of the seeds, specifically, soaking the seeds in warm water of 50 DEG C for 48 hours, soaking the seeds in running water for 7 days, conducting germination accelerating and disinfecting for 24 hours, and then conducting sowing; S3,soil preparation and bed making, specifically, removing weeds one month before sowing, applying quick lime, conducting bed making before sowing, and evenly spreading compound fertilizer on a bed; S4,sowing, specifically, conducting ditching and hill-seeding on the seeds on a soil moisture surface in December, wherein the sowing depth is 8-10 cm and the seed spacing is 12-15cm, then covering the seeds with fine soil with the thickness of 10-15 cm, conducting watering thoroughly, and conducting covering with a black plastic film; S5, stock seedling management; S6, grafting, specifically, takingobtained juglans cathayensis seedlings as the stocks, and conducting grafting by adopting square bud grafting in June to July of the next year; and S7, post-grafting management. According to the method, the juglans cathayensis is adopted as the grafting stocks of the walnuts, so that the suitable growing area of walnut planting is effectively increased.

Description

technical field [0001] The invention relates to the technical field of walnut cultivation, in particular to a method for grafting walnuts with wild walnut stock with high survival rate. Background technique [0002] Wild walnut (Juglans cathayensis Dode) is a deciduous tree of the family Juglans. It is a unique multifunctional economic and ecological tree species in my country. It is mainly distributed in Gansu, Shaanxi, Shanxi, Yunnan, Sichuan, Hubei, Hunan, Jiangxi, Shandong, Anhui, Jiangsu and In Zhejiang and other provinces, Guizhou is mainly distributed in Tongzi, Panxian, Leigong Mountain, Pu'an, Daozhen and Yinjiang. Wild walnut grows strongly, has a well-developed root system, and is strong in stress resistance. It has strong disease resistance, cold resistance, and drought resistance. Not only that, the wild walnut tree has weak genetic ability, and the influence on the genetic characteristics of the scion after grafting is small. It does not affect the original qua...

Claims

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Application Information

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IPC IPC(8): A01G2/30A01G17/00A01C21/00A01C1/00A01B79/02
CPCA01G2/30A01G17/005A01C1/00A01B79/02A01C21/005
Inventor 冷天凤田小琴付莉
Owner 贵州省核桃研究所
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