Potentilla sericea cutting propagation method

A technology of Potentilla sericeum and cutting propagation, which is applied in botany equipment and methods, horticulture, plant cultivation, etc., can solve the problems of slow rooting and low reproduction coefficient, achieve well-developed root system, high survival rate, and reduce pruning Effect

Inactive Publication Date: 2015-02-04
NORTHEAST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the technical problems of slow rooting and low propagation coefficient of the existing Pottlesnipata using soil cuttings to bury strips for propagation; and provides a cutting propagation method for Pottlesnula sericeum

Method used

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  • Potentilla sericea cutting propagation method
  • Potentilla sericea cutting propagation method
  • Potentilla sericea cutting propagation method

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Experimental program
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specific Embodiment approach 1

[0019] Specific embodiment one: the method for cuttage propagation of Potentilla sericeum in the present embodiment is carried out according to the following steps: in Harbin in June, choose plant growth well in the field, without rust spot and insect damage, the growing way is basically the same, and the stems are knotted More than four Potentilla sericiosa; wash with clean water, cut off the cuttings, take the stem section from the 4th to the 10th section, keep a stem node on the cuttings, leave at least 1 leaf, cut the upper part of the cuttings 1 cm away from the adventitious root, cut it into an obtuse angled slope, and cut the lower incision into an acute angled slope at 1 cm below the adventitious root; then put the cuttings into a conical flask filled with small molecule water, cultivate at 25°C, and change the water every 5 days , the light only needs to have normal daily indoor astigmatism. After 15 days of cultivation, it is transplanted into the peat soil with a mas...

specific Embodiment approach 2

[0027] Embodiment 2: This embodiment differs from Embodiment 1 in that: the cultivation is carried out at a temperature of 22° C., and the Erlenmeyer flask is placed on the indoor window sill. Other steps and parameters are the same as in the first embodiment.

[0028] This embodiment can accelerate the growth of cuttings.

specific Embodiment approach 3

[0029] Specific embodiment three: the method for cutting propagation of Potentilla sericiosa in this embodiment is carried out according to the following steps: in August in Harbin, select the plant to grow well in the field, without rust spots and insect damage, the growth is basically the same, and the stems are knotted The number of Potentilla sericeum more than four; wash it with clean water, cut each section of the stem as a unit, cut the cuttings, take the stem sections from the 6th to the 10th section, leave at least one leaf, cut the upper part of the cuttings 1 to 2 cm away from the adventitious root, cut it into an obtuse angled slope, and cut the lower incision into an acute angled slope at the lower part of the adventitious root 1 to 2 cm; Change the water once a day, and use indoor astigmatism as the light. After 14 days of cultivation, transplant to the peat soil with a mass ratio of soil to peat of 3:1. After transplanting, water it thoroughly and cover with a sh...

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Abstract

The invention discloses a potentilla sericea cutting propagation method, relates to a potentilla sericea asexual propagation method, and aims to solve the technical problems of slow rooting and low propagation coefficient in soil cutting strip burying propagation of potentilla chinensis in the prior art. The method comprises the following steps: shearing cutting slips from creeping stems having over three nodes at an establishment period; putting the cutting slips into small molecular group water for culturing, and transplanting after rooting; finishing cutting propagation of potentilla sericea. The method is used for propagating the potentilla sericea, and has the advantages of quick rooting, high propagation coefficient and high survival rate. Plants formed by using the method can be suitable for rapid formation of landscaping and garden landscapes, and the method has the advantages of high stress resistance, water saving, drought resistance, reduction of trimming, extensive management and low maintenance cost. The propagation coefficient of young seedlings cultured by using the method can be up to 7.12, the survival rate of the young seedlings is over 90.77 percent, and root systems are developed and grow robustly.

Description

technical field [0001] The invention relates to a method for asexual reproduction of Potentilla sericis. Background technique [0002] Potentilla sericea (Potentilla sericea) is a perennial herb of the Rosaceae Potentilla genus, which has certain ornamental value. From April to August, Potentilla sericea grows vigorously, and its bright colors are a good It is a flower-viewing ground cover plant in early spring and early summer, and has strong stress resistance. It can adapt to the cold and arid climate in the north. The underground root system is well developed and the ability to fix soil is strong. The aboveground part is luxuriant and the coverage is great. Good water conservation, soil and water conservation and slope protection, so it is very suitable for use as ground cover in urban landscaping. [0003] As a wild resource, Potentilla sericeum has a very limited number of germplasm resources. How to reproduce quickly is the key to determining the scope and speed of pr...

Claims

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Application Information

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IPC IPC(8): A01G31/00
CPCA01G22/00
Inventor 吴建慧张静许建军王玲
Owner NORTHEAST FORESTRY UNIVERSITY
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