Method for releasing Tongling peony seed epicotyl dormancy

A technology for seed embryos and seeds is applied in the field of releasing epicotyl dormancy of Fengdan seeds, which can solve the problems of high cultivation cost and unsatisfactory effect, and achieve the effects of low cost, convenient management and improved germination rate.

Active Publication Date: 2015-07-15
永春县产品质量检验所福建省香产品质量检验中心国家燃香类产品质量监督检验中心福建
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  • Description
  • Claims
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Problems solved by technology

Although the above methods can also improve the germination rate of Fengdan seeds to

Method used

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  • Method for releasing Tongling peony seed epicotyl dormancy
  • Method for releasing Tongling peony seed epicotyl dormancy
  • Method for releasing Tongling peony seed epicotyl dormancy

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Embodiment 1

[0029] A method for releasing epicotyl dormancy of Fengdan seeds, comprising the steps of:

[0030] 1) Seed selection, first select the follicles collected from the mother plant in early August, and place them indoors for 10-15 days to complete the physiological post-ripening seeds in the shell;

[0031] 2) Seed treatment, before sowing, wash the seeds with clean water, take out the plump seeds that sink, and soak them in potassium permanganate solution with a concentration of 1g / L for 1 hour for disinfection;

[0032] 3) Root stimulation, before sowing, mix the sterilized Fengdan seeds with wet sand at a volume ratio of 1:4, and place them in a greenhouse at 21-25°C for stratification and root stimulation for 40 days for later use; the wet sand has a humidity of Sand with a maximum water holding capacity of 50%;

[0033] 4) When most of the radicles of Fengdan seeds that have been rooted grow to 2-4cm, select the seeds with a root length of 3cm and place them in the environm...

Embodiment 2

[0036] A method for releasing epicotyl dormancy of Fengdan seeds, comprising the steps of:

[0037] 1) Seed selection, first select the follicles collected from the mother plant in early August, and place them indoors for 10-15 days to complete the physiological post-ripening seeds in the shell;

[0038] 2) Seed treatment, before sowing, wash the seeds with clean water, take out the plump seeds that sink, and soak them in potassium permanganate solution with a concentration of 1g / L for 1 hour for disinfection;

[0039] 3) Root stimulation, before sowing, mix the sterilized Fengdan seeds with wet sand at a volume ratio of 1:4, and place them in a greenhouse at 21-25°C for stratification and root stimulation for 40 days for later use; the wet sand has a humidity of Sand with a maximum water holding capacity of 50%;

[0040] 4) When the radicles of most of the Fengdan seeds that have been rooted grow to 2-4cm, select the seeds with a root length of 3cm and place them in the envi...

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Abstract

The invention discloses a method for releasing Tongling peony seed epicotyl dormancy. The method includes the steps of: 1) selecting seeds, 2) performing seed treatment; 3) conducting root promoting, and 4) when most of the root-promoted Tongling peony seed radicles grow to 2-4cm, selecting seeds with a root length of 3cm and putting the seeds in a 1-5DEG C environment to conduct low temperature treatment for 60 days; sowing the low temperature treated seeds in the last ten-day period of December; and carrying out routine management on the low temperature treated sowed seeds in a 16-20DEG C greenhouse for 20d. The method provided by the invention is simple and practical, has the characteristics of low cost and convenient management, can effectively release Tongling peony epicotyl dormancy after 60d of low temperature treatment on the basis of root promoting, the germination rate can reach 87.9%, and the shoot length is 6.2cm. Therefore, the method meets and suits large-scale popularization cultivation.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, and in particular relates to a method for releasing the dormancy of the epicotyls of Fengdan seeds. Background technique [0002] Peony, especially Fengdan peony, is an excellent variety for both medicinal and oil purposes. The research and development of peony for oil has become a new research hotspot. Sowing seedlings is an important way to obtain a large number of oil peony seedlings. However, under natural conditions, peony seeds generally take 8 to 12 months to germinate, and the emergence rate is low, which seriously restricts the cultivation and promotion of oil peony. Tracing it to its cause is that peony seeds have double dormancy characteristics, which are embodied in the dormancy of radicle (hypocotyl) and germ (epicotyl), especially the dormancy of the epicotyl is relatively deep. After the seeds are sown in autumn, the radicle develops into a root and the epicotyl is in a...

Claims

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Application Information

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IPC IPC(8): A01C1/00
Inventor 姜宗庆李成忠孙燕余乐刘行刘争
Owner 永春县产品质量检验所福建省香产品质量检验中心国家燃香类产品质量监督检验中心福建
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