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Method for breaking Thesium chinense seed dormancy for promoting germination

A technology of thymegrass and seeds, applied in the fields of seed and rhizome treatment, application, agriculture, etc., can solve the problems of germination starting from March to April of the following year, low germination rate, low emergence rate, and inability to meet the needs of medication, etc., to achieve Shorten the dormant period, improve the uniformity, and promote the effect of germination

Active Publication Date: 2011-05-18
NANJING AGRICULTURAL UNIVERSITY
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Problems solved by technology

[0003] In recent years, due to reasons such as over-harvesting, environmental damage, and the semi-parasitic biological characteristics of Thyme officinalis, the reserves and market supply of Thyme officinalis are showing a sharp decline year by year, which is far from meeting the demand for medicines. Wild Thyme officinalis Cultivation, or artificial cultivation through introduction and domestication, is imperative
Thymus mainly relies on seeds for reproduction, but after the seeds mature, there is a long deep dormancy period. Under natural conditions, they mature from April to May every year, and germinate from March to April of the following year. The dormancy period is 10 to 11 months. , and the emergence is extremely irregular, and the germination rate and emergence rate are low
At present, there is no public report on the method of breaking the dormancy of thymegrass seeds and promoting seed germination

Method used

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  • Method for breaking Thesium chinense seed dormancy for promoting germination
  • Method for breaking Thesium chinense seed dormancy for promoting germination
  • Method for breaking Thesium chinense seed dormancy for promoting germination

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[0027] A. Seed collection: naturally air-dry the collected (collection location?) thyme grass seeds, remove impurities and empty seeds, and select mature and plump seeds for later use;

[0028] B. Seed pretreatment: Rinse thyme grass seeds with running water for 24 hours, then use 500mgL -1 GA 3 Soak seeds in aqueous solution for 24 hours, remove and dry the moisture on the surface of seeds;

[0029] C. Low-temperature sand storage stratification: choose river sand with uniform particles, wash, dry, and naturally cool to room temperature after drying in an oven at 110°C for 4 hours. The ratio of 3 is mixed evenly, and the water content of the matrix is ​​preferably "hand-holding into a ball, loosening up", and placed in a refrigerator at 1-5°C for stratification treatment for 150 days;

[0030] D. Seed Germination: After the stratification treatment, the seeds were cultured under dark conditions at 20° C., and the germination rate of the seeds could reach 68%.

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Abstract

The invention discloses a method for breaking Thesium chinense seed dormancy for promoting germination. The germination stage of Thesium chinense seeds is put ahead greatly by breaking the Thesium chinense seed dormancy by a method of soaking the seeds by using 500 mgL<-1> of GA3 for 24 hours and laminating on wet sand at a low temperature for 150 days. Therefore, the problems that the Thesium chinense seeds are in deep dormancy and are difficult to germinate are solved; and powerful technical support is provided for the development of wild tending, introducing and planting the Thesium chinense.

Description

technical field [0001] The invention relates to a method for breaking dormancy of thymegrass seeds and promoting germination, which belongs to the technical field of traditional Chinese medicine cultivation. Background technique [0002] Thesium chinense Turcz. is a perennial semi-parasitic plant of the family Sandalaceae. Its dried whole herb is a commonly used Chinese herbal medicine in my country. Modern research shows that thyme has significant anti-inflammatory, analgesic and broad-spectrum antibacterial effects, known as "plant antibiotics". For the treatment of pneumonia, mastitis, tonsillitis, pharyngitis, bronchitis, rhinitis, cold and fever embolism. Bairui Tablets and Bairui Capsules, which use Bairuicao as raw materials, have been listed as national traditional Chinese medicine protection varieties. [0003] In recent years, due to reasons such as over-harvesting, environmental damage, and the semi-parasitic biological characteristics of Thyme officinalis, the ...

Claims

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Application Information

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IPC IPC(8): A01C1/00
Inventor 郭巧生罗夫来刘丽
Owner NANJING AGRICULTURAL UNIVERSITY
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