Comprehensive method for quick vegetative propagation of Paeonia suffruticosa Andr.

A technology of asexual reproduction and comprehensive methods, which is applied in horticultural methods, botanical equipment and methods, horticulture, etc., and can solve the problems of long rooting time, low rooting rate, and large difference in rooting rate of cuttings, etc.

Active Publication Date: 2021-06-08
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, peonies require high grafting and reproduction techniques. Usually, two scions can be cut from each branch of the mother plant. Both affect the survival rate
Although the plant cutting propagation coefficient is high, it is difficult to cut peony, not only the rooting rate is low, but it takes a long time for rooting; the cutting time during the cutting process, the environmental control after cutting, especially the relative humidity of the air and the humidity control of the cutting substrate are high. Moreover, the rooting rate of cuttings varies greatly among varieties; although the technical difficulty of layering propagation is low, the rooting rate is relatively low and the rooting time is long
Peony tissue culture technology is not yet perfect, and the technical difficulty and cost are higher

Method used

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  • Comprehensive method for quick vegetative propagation of Paeonia suffruticosa Andr.
  • Comprehensive method for quick vegetative propagation of Paeonia suffruticosa Andr.

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Mother Plant Breeding:

[0027] (1) In 2018, after the fall of the peony leaves in autumn, all the branches of the 2-year-old peony variety 'Xiangyu' were stubbled, and the winter fertilizer was applied.

[0028] (2) In the spring of 2019, several new branches germinated at the root and neck of the mother plant, and the growth season was routinely managed. In September 2019, the thin and weak branches were removed from the base, and only robust annual branches without diseases and insect pests were kept. At this time, the root system of the mother plant was 3 years old, and the branch age was only 1 year.

[0029] (3) Choose a strong mother plant free of diseases and insect pests, and raise seedlings with bare roots.

[0030] Oblique planting of the mother plant:

[0031] (1) Land preparation: The land preparation will be completed ahead of schedule at the end of July 2019. The soil of the plot is loose and fertile, rich in organic matter, well drained, pH 7.0, plowe...

Embodiment 2

[0054] Mother Plant Breeding:

[0055] (1) In 2018, after the fall of the peony leaves in autumn, all branches on the ground of the 3-year-old peony variety 'Fu Gui Man Tang' were stubbled, and the winter fertilizer was applied.

[0056] (2) In the spring of 2019, several new branches germinated at the root and neck of the mother plant, and the growth season was routinely managed. In September 2019, the thin and weak branches were removed from the base, and only robust annual branches without diseases and insect pests were kept. At this time, the root system of the mother plant has been 4 years old, and the branch age is only 1 year.

[0057] (3) Choose a strong mother plant free of diseases and insect pests, and raise seedlings with bare roots.

[0058] Oblique planting of the mother plant:

[0059] (1) Land preparation: The land preparation will be completed ahead of schedule by the end of June 2019. The soil of the plot is loose and fertile, rich in organic matter, well ...

Embodiment 3

[0083] Mother Plant Breeding:

[0084] (1) In 2018, after the fall of the peony leaves in autumn, all the branches of the 2-year-old peony variety 'Luoyanghong' were stubbled, and the winter fertilizer was applied.

[0085] (2) In the spring of 2019, several new branches germinated at the root and neck of the mother plant, and the growth season was routinely managed. In September 2019, the thin and weak branches were removed from the base, and only robust annual branches without diseases and insect pests were kept. At this time, the root system of the mother plant has been 3 years old, and the branch age is only 1 year.

[0086] (3) Choose a strong mother plant free of diseases and insect pests, and raise seedlings with bare roots.

[0087] Oblique planting of the mother plant:

[0088] (1) Land preparation: The land preparation will be completed ahead of schedule by the end of June 2019. The soil of the plot is loose and fertile, rich in organic matter, well drained, pH 7....

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Abstract

The invention relates to the technical field of plant plantation, in particular to a vegetative propagation method of Paeonia suffruticosa Andr.. The invention discloses a comprehensive method for vegetative propagation of the Paeonia suffruticosa Andr.. The comprehensive method comprises the following steps of: stock plant cultivating, stock plant oblique cutting and layering, new branch rejuvenizing, new branch transverse hanging/ ring girdling, root accelerating, seedling separating, transplanting and the like. The comprehensive method has the characteristics that (1) propagation efficiency is high, and each branch of a stock plant can propagate 3-4 seedlings; (2) roots grow fast, and the seedlings can be transplanted in three months; (3) a root growth rate is high, wherein the root growth rate of the first-level root of each seedling and the root growth rate of the second-level root of each seedling can be 100%; (4) the quantity of the root is large, and a well-developed root system is formed: the average root number of the first-level root is 8.20 pieces/ seedlings, the average length of the first-level root is 10.22cm, and average thickness is 1.96mm; (5) a transplantation survival rate is high: the transplantation survival rate of a root growth seedling is 100%; and (6) the comprehensive method has a simple technology, is easy in operation, does not need to carry out special management after processing, has abundant raw materials and a low cost and is harmless to operation personnel.

Description

technical field [0001] The invention relates to the technical field of plant planting, in particular to a method for asexual propagation of tree peonies. Background technique [0002] Peony is a subshrub of the peony group of Paeoniaceae, a traditional famous flower unique to China. It has a long history of cultivation, large and colorful flowers, and has the reputation of "National Beauty and Heavenly Fragrance". A deciduous subshrub with two or three compound leaves and blooms in spring. In addition to ornamental peony, the roots can be used as medicine, and the seeds can be used to extract oil. It is one of the new woody oil crops. Peony is suitable for planting in a wide range, and it is planted in my country except Hainan Province. Luoyang in Henan, Heze in Shandong, Qingdao, Xi'an in Shaanxi and other places all have well-known large-scale special gardens, and they are often planted in various parks, public green spaces, residential areas, and street green belts. B...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/20A01G7/06A01G17/00
CPCA01G2/20A01G17/005A01G7/06
Inventor 袁涛解梦雨陈庭巧郭伟蒋雨萌徐珂韦秋莹汪琦
Owner BEIJING FORESTRY UNIVERSITY
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