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Secondary air layering propagation method for ormosia hosiei

A technique for aerial layering and red bean tree, applied in the directions of application, cultivation, stratification, etc., can solve the problems of high cultivation cost, long cultivation period, low survival rate, etc., and achieve the effects of simple and convenient operation, low cost, and improved survival rate.

Inactive Publication Date: 2020-09-22
浙江凤阳山百山祖国家级自然保护区管理局凤阳山管理处
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the defects of slow rooting, difficult rooting, low survival rate, long cultivation period and high cultivation cost of the existing red bean tree cutting seedling cultivation technology, and its purpose is to provide a red bean tree aerial layering cutting propagation method to Reduce and avoid cuttings rot, shorten the rooting cycle, increase the survival rate of cuttings, reduce the cost of cultivation, and improve the market supply capacity of red bean seedlings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The red bean tree second air layering propagation method is composed of four steps of container seedling selection, air layering for the first time, container seedling topping, and secondary air layering, each step is as follows:

[0025] (1) Selection of container seedlings

[0026] The 2-year-old container seedlings of red bean are used as materials. The height of the seedlings is 1.2m-1.5m, no pests, no mechanical damage, strong growth, and the ground diameter is about 1.0cm-1.2cm.

[0027] (2) The first air layering

[0028] The date is April 2nd, the daily average temperature is about 15°C, and the container seedling selected in step (1) is about 20cm away from the rhizome (or above the surface of the container seedling matrix) for air layering treatment. First, the phloem is peeled off and circumcised. The width is 1 / 3 of the diameter of the girdling area. After the girdling, wrap it in a rock wool container in time, tie it tightly with black plastic, and punch h...

Embodiment 2

[0035] Embodiment 2 is the same as Embodiment 1 except that the following measures are different, and will not be repeated here.

[0036] (1) Selection of container seedlings

[0037] Select 45 red bean tree 2-year-old container seedlings, the tree height of the selected red bean tree is all about 1.5m, the diameter of the layering place in the air for the first time is ≥0.7mm, and the distance from the rhizome is 30cm.

[0038] (2) The first air layering

[0039] The period is May 1st, when the daily average temperature is ≥23°C, and the selected container seedlings are girdled about 30cm away from the rhizome, and the width is 1 / 2 of the diameter of the girdling place.

[0040] (3) Topping of container seedlings

[0041] 20 days after the first aerial layering of the container seedlings, when the root system grows, the container seedlings are topped, and the topped container seedlings are protected by full-light spray tubes, during which time 75% chlorothalonil is sprayed ...

Embodiment 3

[0046] Embodiment 3 is the same as Embodiment 1 except that the following measures are different, and will not be repeated here.

[0047] (1) Selection of container seedlings

[0048] Select 60 1-year-old red bean container seedlings, and the selected red bean tree height is 1.0m.

[0049] (2) The first air layering

[0050] The treatment started on May 6, with an average daily temperature of about 20°C. Carry out the air layering treatment for the first time at 20cm above the rhizome.

[0051] (3) Topping of container seedlings

[0052] There are many unlignified parts of the annual container seedlings, the height of the topping and pruning part is about 20 cm, and the height of the remaining seedlings is about 80 cm. After 21 days, new leaves grow.

[0053](4) The second air layering

[0054] Carry out layering in the air for the second time above the 6 buds above the layering position in the air for the first time, and the rooting powder solution in the rock wool conta...

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Abstract

The invention discloses a secondary air layering propagation method for ormosia hosiei, and belongs to the technical field of asexual propagation of rare tree species. The secondary air layering propagation method for the ormosia hosiei comprises the steps of container seedling selection, primary air layering, container seedling topping and secondary air layering. According to the method, by meansof an original root system of a container seedling, a root system is formed about 20 days after the primary air layering, and a new root system is formed about 20 days after the secondary air layering treatment by nutrients absorbed by the original root system of the container seedling and the new root system formed in the primary air layering, so that one container seedling can produce three effective and easily survivable individuals. Therefore, the seedling cultivation period is shortened, the survival rate of new individuals and the branch utilization rate are increased, and compared withthe prior art, the method achieve the unexpected technical effects.

Description

technical field [0001] The invention belongs to the technical field of vegetative propagation of rare tree species, and in particular relates to a method for secondary aerial layering propagation of red bean trees. Background technique [0002] Red bean tree (Ormosia hosiei Hemsl.et Wils.) is a second-class national key protected wild plant. Its material is heavy and its pattern is unique. It belongs to mahogany wood. It is a special economic and high-grade material for office and residential high-end decoration and making Longquan sword scabbard. The distribution range is narrowing day by day, and the wild resources are gradually exhausted. [0003] The conventional method of raising seedlings of red bean mainly adopts seed propagation, but because the flowering of red bean is late and unstable, it usually takes 35 years to bloom and bear fruit, and it will enter the peak fruiting period after 50 years, so the source of seeds and the number of seeds are difficult to meet t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/20A01G17/00
CPCA01G2/20A01G17/005
Inventor 彭辉周红敏季新良瞿虹马毅李美琴夏春平
Owner 浙江凤阳山百山祖国家级自然保护区管理局凤阳山管理处
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