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A kind of method for propagating peony by rhizome

A technology for rhizome propagation and rhizome, which is applied to a rhizome cutting propagation method of peony and its application field, and can solve the problems of low propagation coefficient of ramet method, lack of large-scale application, difficulty in domestication and transplantation of callus redifferentiation tissue culture seedlings, etc.

Active Publication Date: 2021-08-20
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, if a 3-year-old mother plant is propagated by division method, only about 3 to 4 daughter plants can be obtained. Therefore, the reproduction coefficient of division method is low, which is far from meeting the needs of the large-scale fresh-cut flower market in the future.
Although a lot of exploration work has been carried out on the seedling breeding of peony cuttings and layering, there are still large technical bottlenecks, complex technical processes, difficult management, and large differences in breeding results among varieties. There is no large-scale application in practice
In recent years, the tissue culture technology of peony has made great progress, but there is still a long way to go before forming a complete technical system. Some key technologies, such as easy browning of explants, callus redifferentiation and Problems such as the difficulty of cultivating seedlings for domestication and transplanting still need to be tackled
[0004] Therefore, it is difficult to improve the reproductive efficiency of Paeoniae Alba in a short period of time in order to meet the growing market demand

Method used

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  • A kind of method for propagating peony by rhizome
  • A kind of method for propagating peony by rhizome
  • A kind of method for propagating peony by rhizome

Examples

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Embodiment 1

[0039] This embodiment relates to a method for propagating Paeoniae officinalis by rhizomes, comprising the steps: the Paeoniae officinalis variety involved in this embodiment is 'Fenyunu',

[0040] 1) Obtain the rhizome of peony with normal development: use branch scissors to cut off the stalk of peony at a position about 10 cm from the ground surface, and use a stainless steel fork to dig out the underground part of the peony at a position about 20 cm away from the stalk to prevent the seedlings from growing. Damage the rhizome to ensure the integrity of the rhizome structure. Place the excavated peony soil balls in a cool place to dry for 30 minutes. At this time, the surface soil is basically dry and easy to shake off. The rhizomes also have certain toughness due to partial dehydration, and are not easy to break during the process of knocking the soil and carrying them. Judging the direction of rhizome growth according to the direction of stem growth, according to the char...

Embodiment 2

[0047] Compared with Example 1, the difference is that the variety involved in this example is 'Dafugui'. For the growth status of the plants in this embodiment, see figure 1 with 7 .

Embodiment 3

[0049] Compared with Example 1, the difference is that the variety involved in this example is 'Zhongshengfen'. For the growth status of the plants in this embodiment, see Image 6 .

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Abstract

The invention relates to a method for propagating peony through rhizomes, which comprises the following steps: 1) intercepting the rhizomes of peony and cutting them into a plurality of sections; 2) planting the sections in field. The method for cutting and propagating peony rhizomes provided by the present invention has the advantages of simple flow, easy operation, low budding and seedling emergence rate and variety specificity, and high reproductive efficiency of the obtained rhizome segments. Gao, is the first attempt and practice in the field of peony propagation, which provides a new idea for the large-scale production of peony seedlings, and has important production and application value.

Description

technical field [0001] The invention relates to the technical field of peony seedling propagation, in particular to a method for cutting and propagating peony rhizomes and an application thereof. Background technique [0002] Peony (Paeonia lactiflora) is an important ornamental plant worldwide. The reputation of "flower appearance" has been passed down for thousands of years, and it is still revered as the "May Flower God". It has always been loved by people from ancient times to the present. Nowadays, in the international fresh cut flower market, peony cut flowers shine brightly and have broad prospects. However, the current production of peony seedlings is relatively lagging behind, and new technological breakthroughs are urgently needed to meet the growing market demand. [0003] A large number of attempts and researches have been carried out around the propagation of peony seedlings, mainly including sowing, branching, cuttings (stem cuttings, root cuttings), layering ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/60
CPCA01G22/60
Inventor 于晓南张建军陈莉祺朱炜程堂仁张启翔
Owner BEIJING FORESTRY UNIVERSITY
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