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A kind of seedling raising method of walnut nutrition cup

The technology of nutrient cup seedlings and nutrient cups is applied in the field of walnut nutrient cup seedling raising, which can solve the problems of difficulty in keeping the root system of seedlings intact, low planting survival rate, etc., and achieves the effects of simple and easy-to-learn seedling raising technology, high afforestation survival rate and strong resistance.

Inactive Publication Date: 2017-12-15
POMOLOGY INST SHANXI ACAD OF AGRI SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a walnut nutrition cup seedling raising method, which is suitable for walnut cultivation in North China, and solves the problems of the prior art that it is difficult to keep the root system of seedlings intact in the cultivation of walnuts in North China and the low survival rate of planting in hilly mountainous areas or dry land barren hills and barren slopes

Method used

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  • A kind of seedling raising method of walnut nutrition cup
  • A kind of seedling raising method of walnut nutrition cup

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specific Embodiment approach

[0045] The present embodiment has provided the embodiment that utilizes walnut nutrient cup to cultivate stock seedling, specifically comprises the following steps:

[0046] (1) Choose 1,000 American black walnut seeds harvested in the year that are plump and free from diseases and insect pests, soak them in room temperature water for about 7 days one month before Qingming (early March), and store the soaked seeds in sand for about 20 days.

[0047] (2) Nutrition cups are selected according to the specifications of 21-25cm×26-30cm, and a total of 200 are selected.

[0048] (3) 20 kilograms of perlite, 20 kilograms of sand, 50 kilograms of pastoral soil and 10 kilograms of organic fertilizer are mixed to obtain the matrix.

[0049] (4) Put the matrix into the nutrition cup.

[0050] (5) Put the black walnut seeds hidden in the sand vertically into the nutrition cup according to the suture line, the depth is about 2 times of the diameter of the walnut seeds, bury them, water th...

Embodiment 2

[0052] This embodiment provides the specific implementation manner of cultivating grafted seedlings using walnut nutrition cups. First obtain the nutrient cup stock seedling according to embodiment 1, then proceed as follows:

[0053](1) Cut off: cut off the transplanted nutrition cup rootstock seedlings for the first time in early and mid-August of that year, shorten the seedling height by one-half to promote the fullness of the seedlings, and improve the ability to survive the winter with high maturity. Cut off the stem for the second time in the middle of the month, and cut it short at a distance of 5-10 cm from the ground. The purpose is to promote the development of the root system first and then the development of the branches. Table 1 shows the comparison results of root system and seedling dry strip survey and measurement results when the nutrient cup seedlings are cut and not cut. It can be seen from Table 1 that the primary cut-off promotes the degree of lignificati...

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Abstract

The invention discloses a walnut nutrition cup seedling culture method. The walnut nutrition cup seedling culture method includes the steps of variety selection, stock seed processing, walnut nutrition cup preparation, sowing and seedling raising, nutrition cup seedling transplanting, nutrition cup seedling trunk cutting, and grafting. By means of nutrition cup seedling culture, an excellent and low-cost matrix is selected, existing nutrient soil and moisture in a nutrition cup are fully utilized by nursery stocks, and direct growth can be achieved without seedling recovering. Compared with bare-rooted seedling afforestation, the method has the characteristics and advantages of being resistant to drought and poor soil and high in afforestation survival rate, nursery stock roots especially tap root systems can be kept complete and can not be damaged, and the afforestation survival rate is high.

Description

technical field [0001] The invention belongs to the technical field of walnut seedling cultivation, and in particular relates to a walnut nutritional cup seedling cultivation method. Background technique [0002] At present, walnut seedlings in North China usually use local cotton walnut or clamped walnut as rootstock, which have poor disease resistance and cold resistance, mixed grafted varieties, and poor adaptability. Usually, the roots are broken or broken, and it is difficult to maintain the integrity of the root system of the seedlings. Or the low survival rate of planting on barren hills and barren slopes in dry land, slow growth in the early stage, low survival rate of afforestation, etc., there is a common phenomenon that no trees are planted every year. Contents of the invention [0003] The purpose of the present invention is to provide a walnut nutrition cup seedling raising method, which is suitable for walnut cultivation in North China, and solves the problem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G1/06
CPCA01G2/30A01G17/005
Inventor 王勇石美娟周鹏程李鸿雁李小平于静
Owner POMOLOGY INST SHANXI ACAD OF AGRI SCI
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