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Improved seed breeding method of Aconitum delavayi Franch

A kind of technology of Aconiti fruticosa and improved varieties, applied in botany equipment and methods, horticulture, plant cultivation, etc., can solve the problems of lack of effective methods for breeding improved varieties of Aconiti sativa seeds, poor seed quality, low seed yield, etc., to achieve Easy to master and popularize, easy to operate effect

Active Publication Date: 2016-07-20
云南省农业科学院高山经济植物研究所
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Problems solved by technology

[0004] In order to solve the technical problems in the prior art that there is no suitable effective method for breeding improved varieties of Aconitum aconitum seed breeding, low seed yield and poor seed quality, the present invention provides a method for breeding improved varieties of Aconitum aconitifolia

Method used

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Embodiment 1

[0020] (1) Site selection: choose an altitude of 2800m, an average annual temperature of 7.5°C to 9.0°C, an average temperature of the coldest month of 1.0°C to 2.5°C, an average temperature of the hottest month of 13.5°C to 15°C, and an annual accumulated temperature of ≥10.0°C of 1900.0°C to 2350.0 ℃, the annual precipitation is 800mm-1000mm, and the frost-free period is 150-180 days, and in terms of mass fraction, the organic matter content in the soil is 2-3%, the total nitrogen N is 0.10-0.15%, and the alkali-hydrolyzable nitrogen N is 90-120mg / kg, in P 2 o 5 Calculated, the available phosphorus is 10~20mg / kg, expressed in K 2 O meter, sandy loam soil with available potassium of 100-150 mg / kg, no Aconitum carmichaeli planted in the previous three years, and the previous crop was tartary buckwheat; the Aconitum carmichaeli and Aconitum aconitum belong to Ranunculaceae The main root (mother root) of the plant is called "Chuanwu" after processing, and the lateral root (ch...

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Abstract

The invention discloses an improved seed breeding method of Aconitum delavayi Franch. According to the method, an area which is located at the elevation of 2,800-3,200 m, has the annual average temperature of 7.5-10.0 DEG C and has the frost-free period lasting for 150-180 d is selected and has sandy loam with medium fertility, no Aconitum carmichaeli is planted in last three years, and the preceding crop is tartary buckwheat or rapes and the like; an organic fertilizer is applied to be used as a base fertilizer during land preparation, sowing is performed from the middle of November to the early December, tubers of Aconitum delavayi Franch are soaked in a 75% chlorothalonil wettable powder solution obtained through 500 times dilution before sowing, the topdressing is performed three times from seedling emergence to September next year, and side branches are subjected to pinching and bud picking in the squaring stage of Aconitum delavayi Franch from August to September next year; seeds are harvested from the late September next year to the middle of October. With the adoption of the method, the yield of the seeds of a Aconitum delavayi Franch seed field can reach 750-900 kg / hm<2>, a thousand of seeds are as heavy as 3.5-4.5 g, the germination rate of the seeds reaches 93%-95%, and the purity of the seeds reaches 95%-98%.

Description

technical field [0001] The invention belongs to the technical field of breeding of medicinal plants, and in particular relates to a method for breeding fine varieties of Aconitum aconiti. Background technique [0002] Aconitum delavayi Franch is the root tuber of Aconitum delavayi Franch, also known as Aconitum delavayi Franch, also known as Aconitum delavayi Franch. It originated from "Shen Nong's Materia Medica", and Li Shizhen's "Compendium of Materia Medica" recorded: "Aconitum aconitum, Shewu, and even poisonous medicines are not planted by Ruochuan aconitum and aconite, and the ratio of brewing and killing their toxicity, Since it is not an acute disease caused by wind, it should not be taken lightly.” In recent years, research on chemical components has shown that the root of Aconitum aconitiform contains a variety of alkaloids, which have significant toxicity and physiological activities, such as local anesthesia, sedation, antipyretic, and cardiotonic effects. It h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 杨少华徐中志陈翠杨丽云戚淑威侯志江和建英
Owner 云南省农业科学院高山经济植物研究所
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