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Short catalpa bungei root notch grafting and plug seedling culture method

A technology for raising seedlings in plug trays and catalpa, which is applied in the field of breeding. It can solve the problems of catalpa being easy to tear and lodging, unable to produce every year, and high grafting position, so as to save catalpa resources, facilitate industrialized intensive management, and prolong the growth cycle. Effect

Inactive Publication Date: 2019-08-16
赵孝国
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The disadvantages of the grafting scheme in the prior art: 1. It needs to be grafted in the field after the catalpa is planted; 2. It is suitable for a short grafting period (April 15th to May 10th), and it cannot be produced on an annual basis; 3. It is a waste of resources and requires The catalpa tree after the whole plant is planted; 4. The grafting site is high (10~20cm above the ground), and it is easy to form "small foot disease", which makes the catalpa tree easy to tear and fall, and is not resistant to wind; 5. The growth rate is slow

Method used

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  • Short catalpa bungei root notch grafting and plug seedling culture method
  • Short catalpa bungei root notch grafting and plug seedling culture method
  • Short catalpa bungei root notch grafting and plug seedling culture method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Rootstock: select an annual catalpa root with a diameter of 0.5 cm, cut the selected catalpa root into 2 cm short root segments of catalpa as a root stock, take 0.5 g of bihu and 1 kg of water to prepare a solution, and soak the root stock in the solution for 2 seconds. Take it out to dry, and make an Ω-shaped groove on its upper end (such as figure 1 );

[0029] Scion: select the annual diameter of 0.5cm, strong, no pests and diseases, and the branches of catalpa tree with full buds as the scion, cut off the buds at the upper end of 0.3cm and the lower end of 1.5cm respectively, and form an Ω-shaped convex surface at the lower end of the scion (such as figure 2 );

[0030] Grafting: Embedding the Ω-shaped groove surface of the short-rooted catalpa root stock and the Ω-shaped convex surface of the catalpa scion so that the cambium on one side is aligned (such as image 3 );

[0031] Binding: Wrap the scarf tightly with plastic tape to prevent water ingress (such as ...

Embodiment 2

[0037] Rootstock: Select an annual catalpa root with a diameter of 0.7cm, cut the selected catalpa root into 3cm short root sections of catalpa as a rootstock, take 0.8g of bihu and 1.5kg of water to prepare a solution, and soak the rootstock in the solution for 3s , take it out to dry, and cut an Ω-shaped groove surface on its upper end (such as figure 1 );

[0038] Scion: Select the annual diameter of 0.8cm, strong, no pests and diseases, and the branches of catalpa tree with full buds as the scion, cut off the buds at the upper end of 0.5cm and the lower end of 1.7cm respectively, and form an Ω-shaped convex surface at the lower end of the scion (such as figure 2 );

[0039] Grafting: Embedding the Ω-shaped groove surface of the short-rooted catalpa root stock and the Ω-shaped convex surface of the catalpa scion so that the cambium on one side is aligned (such as image 3 );

[0040] Binding: Wrap the scarf tightly with plastic tape to prevent water ingress (such as F...

Embodiment 3

[0046] Rootstock: Select an annual catalpa root with a diameter of 0.8cm, cut the selected catalpa root into 4cm short root sections of catalpa as a rootstock, take 1.2g of Bihu and 1.8kg of water to prepare a solution, and soak the rootstock in the solution for 3s , take it out to dry, and cut an Ω-shaped groove surface on its upper end (such as figure 1 );

[0047] Scion: Select the annual diameter of 0.8cm, strong, no pests and diseases, and the branches of catalpa tree with full buds as the scion, cut off the buds at the upper end of 0.6cm and the lower end of 1.8cm respectively, and form an Ω-shaped convex surface at the lower end of the scion (such as figure 2 );

[0048] Grafting: Embedding the Ω-shaped groove surface of the short-rooted catalpa root stock and the Ω-shaped convex surface of the catalpa scion so that the cambium on one side is aligned (such as image 3 );

[0049] Binding: Wrap the scarf tightly with plastic tape to prevent water ingress (such as F...

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Abstract

The invention belongs to the technical field of breeding methods and particularly relates to a short catalpa bungei root notch grafting and plug seedling culture method. The method comprises the stepsas follows: annual catalpa bungei roots with the diameter of 0.5-1.0 cm are selected, the selected catalpa bungei roots are sheared into short catalpa bungei root sections of 2-5 cm to serve as stocks, and omega-shaped groove surfaces are formed in upper ends of the stocks; annual catalpa bungei branches with the diameter of 0.5-1.0 cm and with full buds are selected as scions, and omega-shaped convex surfaces are formed at lower ends of the scions; the omega-shaped groove surfaces of the sheared short catalpa bungei root sections and the omega-shaped convex surfaces of the catalpa bungei scions are subjected to notch grafting; the grafted catalpa bungei is inserted in plugs or nutrient bags for rooting and germination acceleration at the temperature of 18-25 DEG C and under relative humidity of 80%-95% to be promoted to grow into seedlings; management is performed and strong seedlings are cultured; the grafted catalpa bungei seedlings are transplanted to a field for cultivation whengrowing to be 15-20 cm high. The short roots are used for seedling culture, the catalpa bungei resource can be saved, the 'small foot disease' of catalpa bungei cannot be formed, the seedlings are resistant to wind and lodging, annual production of grafting seedling culture of the catalpa bungei is realized, indoor grafting can be realized, and factory intensive operation and mass production are facilitated.

Description

technical field [0001] The invention belongs to the technical field of breeding methods, and in particular relates to a catalpa short-root inlay grafting and hole tray seedling raising method. Background technique [0002] Catalpa is a rookie in urban landscaping and has high garden ornamental value. It is of great significance to explore the vegetative propagation method of catalpa and its later promotion and application. [0003] Existing catalpa grafting generally adopts catalpa to do stock woody budding. The wood budding of catalpa is generally carried out before and after the budding of catalpa (April 15 to May 14). The method is to set the catalpa saplings as rootstocks after thawing, cut a knife crosswise at 10-20cm above the catalpa tree before and after sprouting, and cut obliquely to form a wedge shape, and also remove woody catalpa wedge-shaped bud pieces from the catalpa scion , aligned with the cambium of the catalpa, wrapped tightly with plastic tape. Accord...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G2/30
CPCA01G17/005A01G2/30
Inventor 赵孝国党娟
Owner 赵孝国
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