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Mytilaria laosensis grafting method

A technology of rice row and grafting interface, which is applied in the field of rice row grafting and plant vegetative propagation, can solve the problems of low survival and low grafting with hollow stem cavity and thin wall, and achieve the effects of shortening the cultivation period, fast growth and simple operation.

Inactive Publication Date: 2020-02-14
福建省龙岩市林业种苗站
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the defect that the stem cavity is hollow and the wall is thin and the survival rate of grafting is low in the seedling stage of old rice, the present invention provides a method for grafting old rice and excellent trees

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Mi Lao Pai grafting experiment

[0030] In April 2014, a pit nursery was set up at the Baisha State-owned Forest Farm in Shanghang, Fujian Province. The new shoots from the top of the canopy of excellent trees (23 years old) collected from the mother forest of the fresh water well management and protection station were used for grafting experiment of 180 plants with the 1-year-old rice seedlings as the rootstock. The grafting heights were 30cm, 60cm, and 80cm respectively. After 60 days, the germination rate of cuttings reached 95%, 90%, and 95% respectively. The upper branches and leaves of the original rootstock were cut obliquely from the grafting interface for about 100 days after grafting. The year-end preservation rate is more than 93.5%.

[0031] The purpose of grafting: to carry out grafting experiments and explore the grafting technology in view of the difficulty of thin stem cavity in the seedling stage of Milaopai. Emphasis is placed on the use of excellent tre...

Embodiment 2

[0040] Mi Lao Pai Grafting

[0041] At the end of March 2015, a pit nursery was set up at the Baisha State-owned Forest Farm in Shanghang, Fujian Province. The first-year young shoots from the top of the canopy of excellent trees (24-year-old) collected from the mother forest of the fresh water well management and protection station were used for grafting test of 200 plants with 1-year-old rice seedlings as the rootstock, and the grafting height was between 30-50cm. Select the part between the two nodes with internode length> 10cm as the grafting site. After 50 days of grafting, the cutting rate of cuttings reached 100%. The upper branches and leaves of the original rootstock were cut obliquely from the grafting interface for about 100 days after grafting. The year-end preservation rate is over 95.5%.

[0042] Grafting time: March 25, 2015.

[0043] Source of cuttings: The young shoots at the top of the crown of the superior tree (24-year-old) in the parent forest of the Freshwat...

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Abstract

The invention provides a mytilaria laosensis grafting method. The method includes following steps: selecting stock, determining ear picking time, selecting scion, determining grafting time, selectinggrafting position, determining grafting method, and managing after grafting. The defect that mytilaria laosensis seedling stem medulla is separated medulla, thereby being hollow in cavity, thin in wall and low in grafting survival rate is overcome, and the method has the advantages of being simple in operation, high in grafting efficiency, low in cost, simple in subsequent management, quick in growth after grafting and earlier in fruiting. Grafting survival rate is up to higher than 90%, and the method is an effective way for preserving and utilizing mytilaria laosensis excellent germplasm materials non-locally. By the method, grafting seedlings high in fruiting amount, quick in growth and high in quality can be provided for mytilaria laosensis seed gardens and cutting orchard construction, and mytilaria laosensis cultivation period can be shortened remarkably; the method is forest genetic improvement technology with extremely high practicability.

Description

Technical field [0001] The present invention belongs to the field of forestry biotechnology, and specifically relates to a method for asexual reproduction of plants, and more specifically, the present invention relates to a method for grafting old rice padi. Background technique [0002] Mytilara laoscnsis (Mytilara laoscnsis) is a large evergreen tree of the Hamameliaceae family. The adult tree is 30m tall and has a diameter of more than 80cm. The crown is spherical umbrella, the trunk is straight, the bark is dark gray-brown, and the branchlets have ring-shaped stipules; Branches glabrous. The leaves are broadly ovoid, 10-13cm long, short pointed at the apex, heart-shaped at the base, entire or 3-lobed, palmate with 5 veins, and petiole 7-10cm long. The flowers are bisexual, fleshy spike-like inflorescences are terminal or axillary, the inflorescence axis is about 4cm long, the flowers are many, arranged closely, 5-6 sepals, hairy; petals band-like tongue, 0.8-1cm long, white,...

Claims

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Application Information

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IPC IPC(8): A01G2/30
CPCA01G2/30
Inventor 洪永辉林能庆
Owner 福建省龙岩市林业种苗站
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