Cuttage propagation method of Juniperus media 'Pfitzeriana Aurea'

A technology of cutting propagation and golden leaves, which is applied in the field of garden plants, can solve the problems of low rooting rate, achieve high rooting rate, improve stress resistance and growth speed, and have good rooting effect

Inactive Publication Date: 2010-07-14
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the defect of low rooting rate of the existing 'Golden Leaf' juniper

Method used

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  • Cuttage propagation method of Juniperus media 'Pfitzeriana Aurea'
  • Cuttage propagation method of Juniperus media 'Pfitzeriana Aurea'
  • Cuttage propagation method of Juniperus media 'Pfitzeriana Aurea'

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Experimental program
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Effect test

Embodiment 1

[0100] 1. Disinfection of perlite

[0101] Spread the perlite in the cutting bed, spray it with clean water, disinfect it with 0.2%-0.5% potassium permanganate solution before cutting, wash it after 24 hours, or treat it with carbendazim.

[0102] 2. Selection and processing of cuttings

[0103] Select the branches of 'Jinye' juniper juniper with a length of 3 cm and a degree of lignification of 1 cm as cuttings, quickly dip in the IBA solution with a concentration of 500 mg / L for 15 seconds, and cut the cuttings as they are harvested, and trim the needles at the base before cutting.

[0104] 3. Cuttings

[0105] The cuttings are cut using the full-light spray cutting technology, wherein the air humidity is 80%-90%, the temperature is controlled at 28-30°C, and 150 cuttings are cut, the cutting distance is 5-6cm, and the row spacing is 7-8cm.

[0106] 4. Rooting and transplanting

[0107] The cuttings after cutting are sprayed with 1 / 4Ms nutrient solution every seven days. ...

Embodiment 2

[0109] Be 4cm except choosing length, the branch of ' golden leaf ' staghorn juniper of lignification degree of 1cm is used as cuttings, sprays the nutrient solution of once 1 / 8Ms every seven days, all the other are identical with embodiment 1.

[0110] Root primordia began to appear after 20 days of cutting, a large number of roots took root in 45 days, and the rooting rate reached 100%. The main root began to lignify and lateral roots appeared in 60 days.

Embodiment 3

[0112] Be 5cm except choosing length, the branch of ' golden leaf ' staghorn cypress of 0.5cm lignification degree is used as cuttings, except that the nutrient solution of once spraying 1 / 6Ms every seven days, all the other are identical with embodiment 1.

[0113] Root primordia began to appear after 20 days of cutting, a large number of roots took root in 45 days, and the rooting rate reached 98.5%. The main root began to lignify and lateral roots appeared in 60 days.

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Abstract

The invention discloses a cuttage propagation method of Juniperus media 'Pfitzeriana Aurea', which comprises the following steps of selecting cutting woods, processing the cutting woods by using a plant growth regulator, carrying out cottage, culturing rootage, transplanting, carrying out seedling management and the like, wherein the step of selecting cutting woods is to clip branches of the Juniperus media 'Pfitzeriana Aurea' with the branch length of 3-8cm and the lignification degree of 1mm-2cm; and a nutrient liquid with certain concentration is sprayed in the process of culturing the rootage. The cuttage propagation method has the advantages of high rootage ratio, favorable rootage effect, rapid growth of nursery stock, high transplant survival rate and the like. Besides, compared with the conventional cuttage propagation method, the method enables the quantity of the utilizable cuttage to be improved by 3-4 times and solves the problem of insufficient quantity of the cutting woods of the Juniperus media 'Pfitzeriana Aurea' to a certain degree.

Description

technical field [0001] The invention relates to an asexual propagation method of ornamental plants, in particular to a cutting propagation method of ornamental dwarf conifer 'Jinye' juniper juniper (Juniperus×media 'Pfitzeriana Aurea'), belonging to the field of garden plants. Background technique [0002] Cutting propagation has the advantages of simplicity, fast propagation speed, no restriction of tree species, high reproduction coefficient, and low cost. It is the most widely used method in traditional asexual propagation. At present, it has become one of the main ways of asexual propagation of forest trees. [0003] Juniperus x media ‘Pfitzeriana Aurea’ was introduced from Belgium. It is a dwarf coniferous tree that spreads out to pave the ground. It has strong resistance and can survive winter and summer in the open field in Beijing. From April to October, the leaves are yellow and have high ornamental value. [0004] When carrying out cutting with Juniperus plants at...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G31/00
Inventor 贾桂霞郑红娟孙敬爽
Owner BEIJING FORESTRY UNIVERSITY
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