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Method for breeding premature flowering breed of white chrysanthemum for medical purpose

A technology for white chrysanthemums and varieties, which is applied to the field of new early-flowering varieties of medicinal white chrysanthemums, can solve the problems of being susceptible to cold frost, the redness of the tongue-shaped flowers of chrysanthemums, and the sensory quality of shadow chrysanthemums, so as to achieve a balanced supply in the market. , The effect of solving labor shortage and high efficiency

Inactive Publication Date: 2010-06-16
NANJING AGRICULTURAL UNIVERSITY
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Problems solved by technology

[0003] The flowering period of medicinal chrysanthemums is mostly concentrated from late October to mid-November. They are planted in Jiangsu and are vulnerable to cold frost, which makes the tongue-shaped flowers of chrysanthemums turn red and affects the sensory quality of chrysanthemums.
At the same time, during the drying process of chrysanthemum cakes, it is often rainy, which can easily lead to mildew

Method used

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  • Method for breeding premature flowering breed of white chrysanthemum for medical purpose
  • Method for breeding premature flowering breed of white chrysanthemum for medical purpose

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Embodiment Construction

[0020] Sheyang County, Jiangsu Province is one of the main production areas of medicinal white chrysanthemums in my country. In 2000, our unit began to conduct systematic breeding of fine varieties among the cultivation groups of medicinal white chrysanthemums in this area.

[0021] First of all, the current main cultivar of Sheyang Datian, the red heart chrysanthemum, was selected, and 200 pots of healthy and disease-free plants were selected in the planting base of traditional Chinese medicinal materials of Nanjing Agricultural University, and they were placed in a solar greenhouse to grow. In March of the following year, the seeds were sown uniformly, and the F1 generation cultivation population was subjected to conventional field management.

[0022] In the F1 generation cultivation population, the early-flowering individual plants that bloomed before October 20 in the Jiangsu production area were listed, the date of flowering was recorded, and the botanical characters of t...

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Abstract

The invention relates to a seed selection method for a medicinal white chrysanthemum flower premature flowering breed, which belongs to the technical field of the plant breed seed selection. Apotted plant of white chrysanthemum flower field main planting breed is arranged in a day light greenhouse to grow, and seeds are harvested in autumn, and seedlings are selected to breed. The seed selection method is used to breed single-plants which flower in advance in a single-plant style and reproduce through cottage. Combining with the specific comparison experiment and the manufacturing experiment, the novel breed of premature flowering number 1 which is flattening and spreading and green in blades, 172-412 in head-shaped inflorescence flower heads, 76-131 in tongue-shaped flower petals,white in color like a book, 1.3-1.8cm in tubular flower heart diameter, orange in color and dense in fragrance is achieved, and the total chromocor content of a chrysanthemum flower is 6.45%-6.70mg / gafter being dried in a baking box, the content of chlorogenic acid is 0.28-0.32% (weight proportion), and volatile oil is taken in the color of yellow and the content is 0.15-0.35ml / 100g.

Description

1. Technical field [0001] The invention relates to a breeding method for medicinal white chrysanthemum early-flowering varieties, belongs to the technical field of plant variety breeding, and is specially used for breeding new medicinal white chrysanthemum early-flowering varieties with stable properties. 2. Background technology [0002] White chrysanthemum (Dendranthema morifolium) belongs to the genus Chrysanthemum of Asteraceae. It is a traditional Chinese medicinal material commonly used in my country and one of the important export medicinal materials. Cold in nature, sweet and bitter in taste, has the effects of dispelling wind and heat dissipation, calming the liver and improving eyesight, etc. It is used for wind-heat and cold, headache, dizziness, red eyes, swelling and pain, and dim eyesight. The latest research also found that medicinal chrysanthemum also has anti-cancer and anti-HIV effects. With the rapid development of domestic and foreign medicine, food and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/04A01H5/00
Inventor 王康才张媛陈暄唐晓清刘德辉汤兴利孙晓东严秀贵
Owner NANJING AGRICULTURAL UNIVERSITY
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