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Mongolian oak vegetative breeding method

A technology of mother plant and flat stubble, applied in the field of Quercus mongolica vegetative propagation, can solve the problems of difficult production and large-scale use, difficulty in rooting cuttings of Quercus mongolica, and low rooting rate, achieving high cost, low production cost, and high rooting rate Effect

Inactive Publication Date: 2021-01-05
LIAONING FORESTRY SCI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The breeding technology of Quercus mongolica is mainly based on sowing seedlings, but there are developed main roots, few lateral roots, and poor growth. The seedling height of the year is 6-20cm, and the ground diameter is 3-5mm.
In recent years, many scholars have studied the cutting propagation technology of Quercus mongolica, and found that the cuttings of Quercus mongolica are difficult to root, and the rooting rate is low, and the rooting rate of some graduate students is only 13.33% to 30%. Cutting rooting rate reaches 80%
The rooting of Quercus mongolica cuttings is comprehensively affected by hormone types, hormone concentrations, cutting substrates, cutting sheds, cutting management, etc. It is still in the experimental stage and it is difficult to use it in large-scale production

Method used

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  • Mongolian oak vegetative breeding method
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Examples

Experimental program
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Effect test

Embodiment 1

[0035] (1) Select sandy loam flat land, or slope land with a slope of less than 15°, close to water sources and unobstructed drainage as nursery land, and the planting density of mother plants is: row spacing 2m, plant spacing 1m;

[0036] (2) After the mother plant is planted, before it is frozen in November of the first year, the stubble is carried out close to the surface to promote the germination of the branches;

[0037] (3) Apply high-nitrogen compound fertilizer 25kg / mu from April to May;

[0038] (4) From the end of May to the first ten days of June, remove the weak and over-dense sprouting branches, keep the strong sprouting branches, and the horizontal spacing of the sprouting branches is greater than 3cm;

[0039] (5) Spray 300 times of potassium dihydrogen phosphate water-soluble fertilizer 5 days before layering;

[0040] (6) Remove the leaves within 15cm of the sprouting bar from the ground before binding and overflowing;

[0041] (7) Choose No. 24 iron wire w...

Embodiment 2

[0046] (1) Select sandy loam flat land, or slope land with a slope of less than 15°, close to water sources, and unobstructed drainage as nursery land. The planting density of mother plants is: row spacing 3m, plant spacing 0.3m;

[0047] (2) After the mother plant is planted, after thawing in the middle of March of the following year, the stubble is carried out close to the surface 5cm to promote the germination of the branches;

[0048] (3) Apply high-nitrogen compound fertilizer 50kg / mu from April to May;

[0049] (4) From the end of May to the first ten days of June, remove the weak and over-dense sprouting branches, keep the strong sprouting branches, and the horizontal spacing of the sprouting branches is greater than 3cm;

[0050] (5) Spray 600 times of potassium dihydrogen phosphate water-soluble fertilizer 7 days before layering;

[0051] (6) Remove the leaves within 20cm of the sprouting bar from the ground before binding and overflowing;

[0052] (7) Choose a bindin...

Embodiment 3

[0057] (1) Select sandy loam flat land, or slope land with a slope of less than 15°, close to water sources, and unobstructed drainage as nursery land. The planting density of mother plants is: row spacing 2.5m, plant spacing 0.7m;

[0058] (2) After the mother plant is planted, after thawing in the middle of March of the following year, it is close to the surface of 2.5cm for flat stubble to promote the germination of branches;

[0059] (3) Apply high-nitrogen compound fertilizer 40kg / mu from April to May;

[0060] (4) From the end of May to the first ten days of June, remove the weak and over-dense sprouting branches, keep the strong sprouting branches, and the horizontal spacing of the sprouting branches is greater than 3cm;

[0061] (5) Spray 500 times of potassium dihydrogen phosphate water-soluble fertilizer 5 days before layering;

[0062] (6) Remove the leaves within 18cm of the sprouting bar from the ground before binding and overflowing;

[0063] (7) Choose No. 22 ...

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Abstract

The invention provides a mongolian oak vegetative breeding method, and belongs to the technical field of agricultural planting. According to the mongolian oak vegetative breeding method, a breeding manner of layering treatment is adopted, firstly, mother plants are planted, and stumping and germination promoting are carried out; coppice shoot base binding and overflowing are carried out from the middle ten days of June to the first ten days of July; after overflowing, rooting liquid is sprayed to the positions 10-15 cm above overflowing portions; and after spraying, a substrate is immediatelycovered, and sealing water is sprayed once. By means of the breeding method, mongolian oak seedlings grow vigorously and have developed lateral roots, the rooting rate reaches 80% or above, the production cost of mongolian oak is effectively reduced, and the survival rate is increased.

Description

technical field [0001] The invention belongs to the technical field of agricultural planting, in particular to a method for asexual reproduction of Quercus mongolica. Background technique [0002] Mongolian Quercus (Quercus mongolica Fisch.ex Ledeb), also known as oak tree, belongs to the genus Quercus in the family Fagaceae. It is a deciduous tree with a height of 30m and a diameter at breast height of 60cm. It is a light-loving tree species with strong adaptability, drought resistance, barrenness resistance and cold resistance. It is mainly distributed in the Greater and Lesser Xing'an Mountains and Changbai Mountains in the northeast, as well as in Inner Mongolia, Hebei, Liaoning, Shandong, and Shanxi. In the northeast forest area of ​​my country, the secondary forest with Quercus mongolica as the main forest species occupies about 15%-20% of the forest land. Forest land use efficiency is of great significance. [0003] The breeding technology of Quercus mongolica is ma...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G2/20
CPCA01G17/005A01G2/20
Inventor 颜廷武尤文忠冯健魏文俊毛沂新王睿照张慧东云丽丽潘文利
Owner LIAONING FORESTRY SCI RES INST
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