Artificial cultivation method for controlling total flavone of erigeron breviscapus and total caffeic acid ester content
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A caffeic acid ester and artificial cultivation technology, which is applied in botany equipment and methods, fertilization methods, gardening methods, etc., can solve problems such as no public reports, and achieve the effects of low cultivation cost, good economic benefits, and easy operation
Inactive Publication Date: 2008-08-20
YUNNAN UNIV
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Problems solved by technology
[0003] Through literature search, there is no public report identical with the present invention
Method used
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Embodiment 1
[0017] a. In the area where the soil N content is less than 0.1%, the soil should be prepared, live-seeded or transplanted with Erigeron breviscapus seeds, managed according to conventional cultivation methods, and fertilized in 3 times. When the seedlings grow 3 to 5 leaves, fertilize for the first time. The amount of fertilizer applied per mu is: 5Kg of N fertilizer, 5Kg of P fertilizer, and 10Kg of K fertilizer. Mix the three kinds of fertilizers and apply them directly and evenly;
[0018] b. After 30 days, carry out the second fertilization, the amount and method are the same as the first time;
[0019] c. The third fertilization time is in the flower bud stage of plant phenology. No N fertilizer is applied this time, only 5Kg of P fertilizer and 5Kg of K fertilizer are used. After mixing, fertilize directly and evenly; when the number of flowering plants reaches 70-80% , Harvesting the Chinese herbal medicine Erigeron breviscapus with high yield and high content of medic...
Embodiment 2
[0021] a. In the area where the soil N content is higher than 0.1%, the soil should be prepared, live-seeded or transplanted with Erigeron breviscapus seeds, managed according to conventional cultivation methods, and fertilized in 3 times. When the seedlings grow 3 to 5 leaves, fertilize for the first time. The amount of fertilizer per mu is: 5Kg of N fertilizer, 5Kg of P fertilizer, and 10Kg of K fertilizer. Mix the three kinds of fertilizers and apply them directly and evenly;
[0022] b. After 30 days, carry out the second fertilization, the amount and method are the same as the first time;
[0023] c. The third fertilization time is in the flower bud stage of plant phenology. No N fertilizer is applied this time, only 5Kg of P fertilizer and 5Kg of K fertilizer are used. After mixing, fertilize directly and evenly; when the number of flowering plants reaches 70-80% , Harvesting the Chinese herbal medicine Erigeron breviscapus with high yield and high content of medicinal a...
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Abstract
The invention relates to an artificial cultivation method to control the content of total flavone and total caffeic acid ester of breviscpini, belonging to the technical field of Chinese herbal medicine cultivation. The invention is characterized in that, in the fertilization steps of the method, the classes, amount and time of fertilization are determined by the N content of the planting soil substrate; that is to say, (1) when the N content of the planting soil is lower than 0.1%, the application amount of fertilizer per mu for the first time is 5Kg N fertilizer, 5Kg P fertilizer and 10Kg K fertilizer; the application amount of fertilizer for the second time is the same as the first time; the application amount of fertilizer for the third time is 5Kg P fertilizer and 5Kg K fertilizer; (2) when the N content of the planting soil is higher than 0.1%, N fertilizer does not to be used, and only K fertilizer and P fertilizer are used to improve quality and yield; the application amount of fertilizer per mu for the first time is 5Kg P fertilizer and 10Kg K fertilizer; the application amount of fertilizer for the second time is the same as the first time; the application amount of fertilizer for the third time is 2.5Kg P fertilizer and 10Kg K fertilizer. The method has the advantages of easy operation, low cost, good economic benefit, good quality and high yield; the medicinal active ingredient of total flavone is improved by 25% to 30%, and the total caffeic acid ester is improved by 20% to 25%.
Description
Technical field: [0001] The invention relates to an artificial cultivation method for controlling the contents of total flavonoids and total caffeic acid esters of scutellaria breviscapus, belonging to the technical field of cultivation of Chinese medicinal materials. Background technique: [0002] The total flavonoids and total caffeic acid esters of the plant scutellaria breviscapus planted by the existing artificial cultivation method are reduced. The research found that: N fertilizer can reduce the total flavonoids and total caffeate content of Breviscapus plants, and K and P fertilizers have a certain promotion effect; when the same amount of effective N, P and K is applied, the reduction effect of N fertilizer is equal to that of P and P. Three times the promoting effect of K. Therefore, when artificially planting scutellaria breviscapus, any correct selection of N, P and K application rates is directly related to the total flavonoid and total caffeic acid ester conte...
Claims
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Application Information
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