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Cutting rooting method for hard branches of robinia pseudoacacia

A technology of hard branch cuttings and black locust, which is applied in the field of plant propagation, can solve the problems of not being able to meet the production needs, the long production cycle of the grafting method, and the high requirements of the test conditions, so as to achieve large-scale seedling production, increase permeability, and good rooting effect Effect

Active Publication Date: 2015-06-17
SHANDONG FOREST SCI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The grafting method has a long production period (2 years) and high cost, which limits the propagation speed; the buried root propagation method cannot meet the production needs because there are few roots; the tissue culture rapid propagation method has a fast propagation speed, but the test conditions are high. High cost and prone to variation

Method used

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  • Cutting rooting method for hard branches of robinia pseudoacacia
  • Cutting rooting method for hard branches of robinia pseudoacacia
  • Cutting rooting method for hard branches of robinia pseudoacacia

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] 1. Selection and preparation of cuttings: on March 12, collect robust, disease-free 1-year-old branches of Robinia pseudoacacia as cuttings, trim the branches so that their average length is 10-12 cm, and prepare cuttings for later use;

[0030] 2. Seedbed establishment and plastic arch shed construction: dig a foundation pit with a width of 120cm and a depth of 30cm in the field (the length depends on the number of cuttings), mix clean river sand and field soil in a certain proportion, and then backfill the foundation pit to It is level with the ground and serves as a cutting propagation area. Use bamboo pyrene with a width of about 4cm and a length of 200cm to insert into the soil to make an arch. After cutting, cover with plastic film and compact the surrounding with soil to make a simple plastic shed;

[0031] 3. Pretreatment of cuttings: dip the trimmed cuttings with 75% alcohol for quick treatment, and then soak them in ABT1 rooting powder solution with a concentr...

Embodiment 2

[0036]Except that No. ABT1 rooting powder soaking time is 15s, 15min and 30min, all the other operations are the same as in Example 1, after 2 months, the statistical results show that the rooting rates are respectively 1.67%, 8.33% and 18.33%.

Embodiment 3

[0038] Except that No. ABT1 rooting powder solution concentration is 200, 400, 800 and 1000ppm, soaks 30min respectively, all the other operations are identical with embodiment 1, statistical result after 2 months, rooting rate is 6.67%, 11.67%, 21.67% and 43.33%.

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Abstract

The invention discloses a cutting rooting method for hard branches of robinia pseudoacacia. The method comprises the following steps: selecting one-year shoots of the robinia pseudoacacia as cuttings, and trimming the shoots, so as to enable the shoots to have the mean length being 10-12cm; quickly dipping the trimmed shoots with ethyl alcohol, and soaking with an ABT1 rooting powder solution for 48 hours, and then cutting into a sand substrate of a seedbed; and carrying out cutting, watering thoroughly, and implementing seedling management. The method is low in technical requirements, but the problem of low cutting survival rate of the robinia pseudoacacia caused by secondary metabolites such as tannin is effectively solved; the cutting rooting rate of the robinia pseudoacacia can be up to 95-100%; a technical support is provided for vegetative propagation and seedling of robinia pseudoacacia; and the method has the great application and popularization values.

Description

technical field [0001] The invention belongs to the technical field of plant propagation, and in particular relates to a method for rooting hard branch cuttings of Robinia pseudoacacia. Background technique [0002] Black locust (Robinia pseudoacacia L.) is a large broad-leaved tree of the genus Robinia, which is native to the United States. It was introduced to Europe in the early 17th century (1601) and spread throughout Europe in the 18th century. At the end of the 19th century, the Germans first introduced the source of Robinia acacia to Qingdao, China. From the 1940s to the 1960s, several batches of sources of Robinia locust from Japan, the United States, and North Korea were planted in Liaodong, Tianshui, Gansu, Changsha, Hunan, and North China. At the end of the 1980s, there were 24 provinces, municipalities, and autonomous regions in my country that planted black locusts, and only 6 provinces including Hebei, Henan, Shandong, Shanxi, and Liaoning had 4 billion plants....

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G17/00
CPCA01G9/0299A01G17/005
Inventor 毛秀红荀守华乔玉玲董玉峰宋玉民
Owner SHANDONG FOREST SCI RES INST
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