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Cuttage and quick propagation method for renanthera coccinea Lour

A flame orchid and cutting technology, applied in the field of plant biology, can solve the problem of no patent for the propagation of Kunlun flame orchid seedlings, etc., and achieve the effects of fast seedling formation and high transplant survival rate.

Inactive Publication Date: 2018-01-16
SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are no patents and literature reports on Kunlun flame orchid seedling propagation in the world

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] (1) Nursery and substrate selection

[0011] Cuttings can be placed in a rain-proof greenhouse or shade shed, where the shading rate is 70%-90% and the temperature is 20°C-30°C. When cutting, the seedbed where the cutting tray is placed is elevated with iron frames or bricks, 60 cm from the ground. The cutting substrate is sphagnum moss (imported) soaked in water for 24 hours.

[0012] (2) Selection and processing of cuttings

[0013] In the slow growth period of Kunlun flame orchid (Renanthera'SCBG Kylin') in February, the stems of excellent lines with more than 15 nodes were selected as materials, and the whole branch was cut after leaving 3 nodes at the base, and the leaves were cut off, and then cut Cut into cuttings with 1 node, and cut obliquely. Then soak the cuttings in the rooting solution for 30 minutes, then remove them and put them in a cool place to dry. The rooting solution contains 1.0 mg of 6-benzylpurine (6-BA) and 1.0 mg of indole butyric acid (IBA...

Embodiment 2

[0017] (1) Nursery and substrate selection

[0018] Cuttings can be placed in a rain-proof greenhouse or shade shed, where the shading rate is 70%-90% and the temperature is 20°C-30°C. When cutting, the seedbed where the cutting tray is placed is elevated with iron frames or bricks, 70 cm above the ground. The cutting substrate is sphagnum moss (imported) soaked in water for 48 hours.

[0019] (2) Selection and processing of cuttings

[0020] During the slow growth period of Kunlun Flame Orchid (Renanthera'SCBG Kylin') in March, the stems of excellent lines with more than 15 nodes were selected as materials. Cut into cuttings with 2 nodes, and cut obliquely. Then soak the cuttings in the rooting solution for 20 minutes, remove them and put them in a cool place to dry. The rooting solution contains 2.0 milligrams of 6-benzylpurine (6-BA) and 2.0 milligrams of indole butyric acid (IBA) per liter, and the balance is water.

[0021] (3) Cutting management

[0022] Wrap the b...

Embodiment 3

[0024] (1) Nursery and substrate selection

[0025] Cuttings can be placed in a rain-proof greenhouse or shade shed with a shading rate of 90% and a temperature of 20°C. When cutting, the seedbed where the cutting tray is placed is elevated with an iron frame or bricks, and is 80 cm above the ground. The cutting substrate is sphagnum moss (imported) soaked in water for 72 hours.

[0026] (2) Selection and processing of cuttings

[0027] In the slow growth period of Kunlun Flame Orchid (Renanthera'SCBG Kylin') in March, the stems of excellent lines with more than 15 nodes were selected as materials, and the whole branch was cut after leaving 5 nodes at the base, and the leaves were cut off, and then cut Cuttings into 3-node cuttings, cut obliquely. Then soak the cuttings in the rooting solution for 10 minutes, remove them and put them in a cool place to dry. The rooting solution contains 3.0 mg of 6-benzylpurine (6-BA) and 3.0 mg of indole butyric acid (IBA) per liter, and ...

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Abstract

The invention discloses a cuttage and quick propagation method for renanthera coccinea Lour. From February to March each year, renanthera coccinea Lour branches respectively provided with more than 15nodes are selected, leaves are cut off, then the branches are cut into cuttings respectively provided with 1-3 nodes, and cuts are formed through oblique cutting; the cuttings are put in a rooting solution and soaked for 10-30 minutes and then are taken out for airing, then the base portions of the cuttings are tightly wrapped with sphagna soaked with water, squeezed into seedling raising cups and pressed tightly, the cuttings are put in a greenhouse or shading shed with the shading rate of 70%-90% for culture, the temperature is kept to 20-30 DEG C after cuttage, and air humidity is kept to70%-95% till complete plants grow from stem nodes of the cuttings. The method has the advantages that seedling raising is quick, the survival rate after transplantation is high and the method can be completed without complicated facilities. The method can be directly applied to large-scale propagation of renanthera coccinea Lour, especially to Kunlun renanthera coccinea Lour, and has the great significance on development, utilization and genetic resource conservation.

Description

Technical field: [0001] The invention belongs to the technical field of plant biology, and in particular relates to a rapid propagation method of flame orchid cuttings. Background technique: [0002] Kunlun Flame Orchid (Renanthera'SCBG Kylin') is produced in the South China Botanical Garden of the Chinese Academy of Sciences. The excellent strain of Rena nthera citrina is used as the female parent, and the excellent strain of Hainan Flame Orchid (R. coccinea) is used as the male parent. A new hybrid variety of Flame Orchid was bred. This variety is upright and climbing, with strong growth potential and fast growth speed, peculiar flower shape, fiery red flower color with yellow stripes, gorgeous and pleasing to the eye, and the flowering period is as long as 2 to 3 months. It has strong adaptability and stress resistance in South China, and the market prospect it is good. If its seeds are used for aseptic sowing, the offspring will be separated, and it is difficult to obt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/10A01G31/00
Inventor 郑枫曾宋君徐新何培培吴坤林
Owner SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI
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