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Propagation method for increasing grafting survival rate of Madhuca hainanensis Chun et How

A survival rate and scion technology, applied in the fields of botanical equipment and methods, horticulture, forestry, etc., can solve problems such as difficult operation, unfavorable interface healing, wound infection, etc., and achieve less nutrient and water consumption, high grafting survival rate, interface fast healing effect

Inactive Publication Date: 2011-08-03
RES INST OF TROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] During the development of Zijing's grafting and propagation method, it was found that the Zijing tree contained rich white sap, and the juice flowed out quickly and abundantly when grafting and cutting. The traditional grafting method was used for direct grafting, and the tree sap flowing out of Zijing's scion and rootstock was not treated. Pre-treatment is difficult to operate, and it is easy to cause wound infection, which is not conducive to the healing of the interface. The survival rate of grafting is only 74%.

Method used

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  • Propagation method for increasing grafting survival rate of Madhuca hainanensis Chun et How

Examples

Experimental program
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Effect test

Embodiment 1

[0030] Zijing grafting operation steps (from March to April, during the dry and high temperature season in Hainan):

[0031] (1) collection and processing of scion

[0032] Cut semi-lignified or lignified upright branches facing the sun from Zijingmu tree, cut into 8cm long scions, remove the leaves, cut the upper end of the scion into a flat incision, and keep 3 bud eyes in each section of the scion; %, humidity 80% and temperature 25°C, spread the scion on a clean plastic wrap in the greenhouse, cover it with plastic wrap to keep it moist, and place it for 2 to 3 days until the incision sap solidifies, allowing the tree sap to flow out naturally;

[0033] (2) Preparation and processing of rootstock

[0034] Use 1-2 year-old Zijing seedlings as rootstocks, cut them off at a height of about 10 cm from the base, and place them in the greenhouse for 2-3 days under the conditions of shading degree 90%, humidity 80% and temperature 25°C until the cut juice Solidify, let the tree...

Embodiment 2

[0042] Zijing grafting operation steps (September, high temperature and high humidity season in Hainan):

[0043] (1) collection and processing of scion

[0044] Cut semi-lignified or lignified sunny upright branches from the Zijingmu tree, cut into 10cm long scions, remove the leaves, cut the upper end of the scion into a flat incision, and keep 4 bud eyes in each section of the scion; in the shading degree of 80 %, humidity of 95% and temperature of 28°C, spread the scion on a clean plastic wrap in the greenhouse, cover it with plastic wrap to keep it moist, and place it for 2 to 3 days until the sap in the cut is solidified to allow the tree sap to flow out;

[0045] (2) Preparation and processing of rootstock

[0046]Use 1-2 year-old Zijing seedlings as rootstocks, cut them off at a height of about 10 cm from the base, and place them in the greenhouse for 2-3 days under the conditions of shading degree of 80%, humidity of 95% and temperature of 28°C until the cut juice S...

Embodiment 3

[0053] Zijing grafting operation steps (December to January of the next year, in Hainan's dry and low temperature season):

[0054] (1) collection and processing of scion

[0055] Cut semi-lignified or lignified sunny upright branches from the Zijingmu tree, cut into 6cm long scions, remove the leaves, cut the upper end of the scion into a flat incision, and keep 2 bud eyes for each section of the scion; %, humidity 70% and temperature 24°C, spread the scion on a clean plastic wrap in the greenhouse, cover it with plastic wrap to keep it moist, and place it for 2 to 3 days until the incision sap solidifies, allowing the tree sap to flow out naturally;

[0056] (2) Preparation and processing of rootstock

[0057] Use 1-2 year-old Zijing seedlings as rootstocks, cut them off at a height of about 10 cm from the base, and place them in the greenhouse for 2-3 days under the conditions of 95% shading, 70% humidity and 24°C until the juice from the cuts Solidify, let the tree sap f...

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Abstract

The invention discloses a propagation method for increasing the grafting survival rate of Madhuca hainanensis Chun et How. The method comprises the following steps of: cutting half-lignified or lignified sun-exposed erect branches serving as scions from a Madhuca hainanensis Chun et How parent tree, removing leaves, keeping 2-4 bud eyes on each section of scion, scattering the scions, and standing for 2-3 days until myron natural juice flows out; stumping parts, which are 10 centimeters away from base parts, of 1-2 year old Madhuca hainanensis Chun et How seedlings serving as root stocks and standing for 2-3 days to make myron juice flows out naturally until incision juice is solidified; and grafting by adopting scion-root stock double side whip grafting. The Madhuca hainanensis Chun et How scions and the root stocks are pretreated, so that the problems of difficulty in operating and easily caused joint infection of a grafted plant due to excessive juice of Madhuca hainanensis Chun et How are solved; the grafting method is improved and the scion-root stock double side whip grafting is used for grafting; and after the method disclosed by the invention is used for grafting, a wound starts to heal 8-12 days later, new buds can grow from the scions 20-25 days later, and the survival rate is increased by 22 percent and is up to 96 percent.

Description

technical field [0001] The invention relates to an arbor propagation method, in particular to a propagation method for improving the survival rate of Zijing grafting. Background technique [0002] Zijing (Madhuca hainanensis Chun et How) is an evergreen tall tree belonging to Sapotaceae (Sapotaceae), with a height of 25-30m and a diameter at breast height of 80cm. One of the materials used for special commodities, known as "green steel plate". Zijing wood is thick and tough, with a dense and uniform structure, smooth and shiny cut surface, beautiful, and extremely corrosion-resistant. It is especially suitable for making sleepers, mechanical appliances, shipbuilding, bridges, etc., and is excellent for vehicles, buildings, and furniture. The bark of Zijing has medicinal value and can clear away heat and detoxify; its trunk is straight, its crown is expanded, its branches and leaves are dark green, and its growth potential is tall and straight. It is an excellent tree specie...

Claims

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Application Information

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IPC IPC(8): A01G1/06A01G23/00
Inventor 黄桂华林明平梁坤南周再知马华明
Owner RES INST OF TROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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