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Method for promoting off-season peony flower bud sprouting and branch growth

An anti-season and peony technology, applied in the field of plants, to achieve the effect of reducing the methylation level, improving the quality of flower formation, and increasing the flower formation rate

Active Publication Date: 2019-07-12
QINGDAO AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, whether DNA methylation is involved in the regulation of dormancy in woody plants, and how to regulate it, there is no direct evidence to support it.

Method used

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  • Method for promoting off-season peony flower bud sprouting and branch growth
  • Method for promoting off-season peony flower bud sprouting and branch growth
  • Method for promoting off-season peony flower bud sprouting and branch growth

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The material used in this embodiment is four-year-old Luhehong (Peaonia.suffruticosa cv'Luhehong').

[0020] A method for promoting bud germination and branch growth of off-season peony, comprising the following steps:

[0021] Upper potting: In mid-to-late October, select 4-5-year-old plants suitable for flowering and raise seedlings. Soak the roots of peonies to sterilize and dry them in the shade. The finely screened soil is mixed with cow dung, vermiculite, etc., and potted, and the peony is planted in the flowerpot, watered thoroughly, and placed at natural temperature for about 20 days to promote rooting and survival of the peony.

[0022] Low-temperature treatment: when the average temperature was lower than 10°C on November 10, it was moved to a cold storage at a constant temperature of 4°C for low-temperature treatment. Low temperature treatment is 0d, 14d, 21d and 28d.

[0023] Greenhouse management: After moving into the greenhouse, adopt variable temperat...

Embodiment 2

[0028] The material used in this example is different from Example 1, which is the four-year-old Luhehong (Peaonia.suffruticosa cv'Luhehong') of the 14d low temperature treatment group.

[0029] In the 14d low temperature treatment group, 5-azaC was applied to smear flower buds, the effective concentration of 5'-azaC was 10-100 μmol / L, and the treatment times were 1-7 times, once a day.

[0030] Peonies treated with different effective concentrations of 5'-azaC were moved into the greenhouse for morphological observation and recording, and the days required for bud germination, germination rate, final flowering rate and flowering quality were counted. The germination rate standard is that the bud scales of the terminal buds are cracked, and the height of the flower buds exceeds 3cm. The flowering standard is that the flowers have opened or the buds have swelled to the extent that they can bloom. The judging of the flowering quality needs to be evaluated based on the height of...

Embodiment 3

[0033] The material used in this example is the four-year-old Luhehong (Peaonia.suffruticosa cv'Luhehong') of different low-temperature treatment groups in Example 1.

[0034] Different low temperature treatment groups were applied with 5-azaC to smear flower buds, the effective concentration of 5'-azaC was 50 μmol / L, and the number of smears was 5 times, and smeared once a day.

[0035] The peonies treated at different low temperatures were moved into the greenhouse for morphological observation and recording, and the days required for bud germination, germination rate, final flowering rate and flowering quality were counted. The germination rate standard is that the bud scales of the terminal buds are cracked, and the height of the flower buds exceeds 3cm. The flowering standard is that the flowers have opened or the buds have swelled to the extent that they can bloom. The judging of the flowering quality needs to be evaluated based on the height of the branches, whether th...

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Abstract

The invention discloses a method for promoting off-season peony flower bud sprouting and branch growth, and belongs to the field of plants. The method includes performing low-temperature treatment onpeony for 14 days and then smearing the peony with 50 mumol / L 5-azacytidine solution for 5 days continuously; and smearing once a day. According to the method, the methylation level of peony flower bud can be reduced, dormancy can be relieved in advance, branches can sprout and grow, the flower forming rate, the height of branches and the length of leaves can be improved, and the flower forming quality can be obviously improved.

Description

technical field [0001] The invention belongs to the field of plants, and in particular relates to a method for promoting flower bud germination and branch growth of out-of-season peony. Background technique [0002] Peony is a characteristic famous flower native to China. It has high ornamental value, medicinal value and oil value, etc., and occupies an important position in the national flower industry. In order to advance its normal flowering period in April and May to the Spring Festival to add to the festive atmosphere, people have urged peonies to bloom during the Spring Festival since the Tang Dynasty, and it has now developed into one of the main contents of the peony industry. Every year, more than 2 million peonies are used to promote flowering in winter across the country, with an annual output value of more than 200 million yuan. Due to the lack of understanding of the mechanism of dormancy release in peony flower buds and the inability to correctly grasp its bio...

Claims

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Application Information

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IPC IPC(8): A01G7/06A01G17/00
CPCA01G7/06A01G17/005
Inventor 盖树鹏张玉喜刘春英盖伟玲
Owner QINGDAO AGRI UNIV
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