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A kind of rapid propagation method of Eucommia ulmoides seedlings

An improved and fast technology, applied in the field of plant cultivation, can solve problems such as inconsistent plant phenotype and growth status, restrictions on the promotion and application of Eucommia improved varieties, and high heterozygosity of Eucommia genome, so as to achieve convenient management, maintain excellent traits, and simple operation Effect

Active Publication Date: 2022-03-15
RUBBER RES INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the breeding of Eucommia seedlings is mainly based on seed breeding. Fresh and full seeds are used for sowing, and seedlings can be provided on a large scale. However, due to the high heterozygosity of the Eucommia genome, the use of Eucommia improved seeds to breed seedlings is prone to inter-seedling plants The phenotype and growth status are inconsistent, which seriously restricts the promotion and application of Eucommia improved varieties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 1. Selection and pretreatment of Eucommia seedlings

[0025] Select the eucommia fine seed seedling that grows vigorously and is about 5cm at 10cm from the ground as the mother plant, set to dry 60cm, and paint at the top of the trunk (cutting dry mouth and its vicinity) to prevent the trunk from drying up due to water evaporation.

[0026] 2. Eucommia seedlings raised

[0027] Dig a circular tree hole with a diameter of about 40cm around the mother plant, cut off the roots outside the circular tree hole (radius 20cm) and at the bottom (minimize excessive damage to the root bark during root cutting), and remove the roots in the circular tree hole. The soil clod is dug out together with the mother plant, and liquid fertilizer is sprayed on the broken root part to promote the root formation of new shoots.

[0028] 3. Bagging of seedlings

[0029] Put the mother plant with soil clods into a cylindrical seedling bag with a diameter of 50cm, a height of 40cm, air permeabil...

Embodiment 2

[0037] 1. Selection and pretreatment of Eucommia seedlings

[0038] Select the eucommia fine seed seedling that grows vigorously and be 7cm or so at 12cm from the ground as the mother plant, dry 50cm, paint on the top of the trunk (cut dry mouth and its vicinity) to prevent the trunk from drying up due to water evaporation.

[0039] 2. Eucommia seedlings raised

[0040] Dig a circular tree hole with a diameter of 45cm around the mother plant, cut off the roots outside the circular tree hole (radius 22.5cm) and at the bottom (minimize excessive damage to the root bark during the root cutting process), and place the roots in the circular tree hole The soil clod is dug out together with the mother plant, and liquid fertilizer is sprayed on the broken root part to promote the root formation of new shoots.

[0041] 3. Bagging of seedlings

[0042] Put the mother plant with soil clods into a 60cm in diameter, 40cm in height, air-permeable, light-transmitting cylindrical nursery st...

Embodiment 3

[0050] 1. Selection and pretreatment of Eucommia seedlings

[0051] Select the eucommia seedlings that grow robustly and are around 4cm from the ground at 10cm as the mother plant, dry 50cm, paint on the top of the trunk (cutting the dry mouth and its vicinity) to prevent the trunk from drying up due to water evaporation.

[0052] 2. Eucommia seedlings raised

[0053] Dig a circular tree hole with a diameter of 40cm around the mother plant, cut off the roots outside the circular tree hole (radius 20cm) and at the bottom (minimize excessive damage to the root bark during root cutting), and remove the soil in the circular tree hole Dig out the block together with the mother plant, and spray liquid fertilizer on the broken root part to promote the formation of new shoots.

[0054] 3. Bagging of seedlings

[0055] Put the mother plant with soil clods into a cylindrical seedling bag with a diameter of 50cm, a height of 40cm, air permeability and light transmission, place the mother...

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Abstract

The invention belongs to the technical field of plant cultivation, and relates to a method for rapid breeding of eucommia seedlings. The seedlings of eucommia ulmoides are selected as a mother plant, and after drying, the mother plant is dug out with soil, and then put into a seedling bag and placed on a place. Carry out water and fertilizer management again, and transplant when the new seedlings reach a seedling height of 50 cm and a ground diameter of 0.5 cm. The invention has the advantages of simple operation, convenient management and low investment. The eucommia eucommia seedlings are used as mother plants to obtain seedlings through cultivation, which is beneficial to improving and ensuring the eucommia eucommia seedling quality, maintaining the excellent properties of the eucommia ulmoides seedlings, and having the characteristics of low seedling cost. The development of the industry has important practical significance.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, and relates to a rapid breeding method for seedlings, in particular to a rapid breeding method for fine Eucommia seedlings. Background technique [0002] Eucommia ulmoides (Eucommia ulmoides) belongs to the Eucommiaceae plant, a single genus and a single species. It is an ancient tree species left over from the Tertiary glacier movement, and it is a rare and precious economic tree species unique to my country. Eucommia is not only a precious Chinese medicinal material, but also an important industrial raw material for extracting natural rubber. In addition, Eucommia is also a good timber tree species, landscaping and soil and water conservation tree species. Therefore, Eucommia is a plant integrating ecological, economic and social benefits, and has extremely high development and utilization value. At present, the comprehensive development and utilization of Eucommia at home and abroa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G24/12A01G24/25A01G24/50A01G9/029
CPCA01G17/005A01G24/25A01G24/12A01G24/50A01G9/029
Inventor 李德军杜红岩杨洪杜庆鑫任小青纪向云印汉
Owner RUBBER RES INST CHINESE ACADEMY OF TROPICAL AGRI SCI