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Plantation method for obtaining high-content high-yield sweet wormwood in saline-alkali soil

A planting method and high-content technology, applied in botany equipment and methods, seed and rhizome treatment, horticulture, etc., can solve the problems of variety variation, yield content reduction, etc., to prevent salt return, reduce salinity, and ensure normal the effect of growth

Active Publication Date: 2014-03-05
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing varieties and planting techniques of Artemisia annua are only suitable for the geographical and climatic environment of the Wuling Mountains. If they are transplanted to other areas, there will be variation in varieties and a significant reduction in yield.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Select optimized Artemisia annua seeds, soak them in 100mmol / L sodium bicarbonate solution for 20 hours, wash them with distilled water, and dry them in the air at 15°C for 24 hours without light. Near the saline-alkali land where Artemisia annua is to be planted, select loose soil, sunny and leeward land, and convenient drainage as the seedbed. The seedbed is pre-leveled, and farmyard manure is used as the base fertilizer. Sow on January 1 of the Gregorian calendar, spray water evenly after sowing, and cover with plastic film , Real-time monitoring of seedbed temperature and humidity. The pre-leveling of the above-mentioned seedbeds is as follows: plowing at the beginning of December of the first year, the plowing depth is 20 cm, and a drainage system is constructed. The drainage ditch is 60 cm deep, 40 cm wide, and the spacing is 8 meters. Around April 15th, select A. annua seedlings with good growth and many branches in the seedbed, with a height of about 20 cm, and ...

Embodiment 2

[0025] The optimized seeds of Artemisia annua were selected, soaked in 50mmol / L sodium chloride solution for 24 hours, rinsed with distilled water, and dried for 30 hours at 20°C without light. Near the saline-alkali land where Artemisia annua is going to be planted, select loose soil, sunny and leeward land, and convenient drainage as the seedbed. The seedbed is pre-leveled, and farmyard manure is used as the base fertilizer. Sow on February 1 in the Gregorian calendar, spray water evenly after sowing, and cover with plastic film , Real-time monitoring of seedbed temperature and humidity. The pre-leveling of the above-mentioned seedbeds is as follows: plowing at the beginning of December of the first year, the plowing depth is 30 cm, and a drainage system is constructed. The drainage ditch is 30 cm deep, 30 cm wide, and the spacing is 5 meters. Around May 15th, select A. annua seedlings with good growth and many branches in the seedbed, with a height of about 20 cm, and trans...

Embodiment 3

[0027] The optimized seeds of Artemisia annua were selected, soaked in a 500mmol / L mixed solution of sodium chloride and sodium bicarbonate with a mass ratio of 1:1 for 12 hours, rinsed with distilled water, and dried for 20 hours at 25°C without light. Near the saline-alkali land where Artemisia annua is going to be planted, select loose soil, sunny and leeward land, and convenient drainage as the seedbed. The seedbed is pre-leveled, and farmyard manure is used as the base fertilizer. Sow on January 15 in the Gregorian calendar, spray water evenly after sowing, and cover with plastic film , Real-time monitoring of seedbed temperature and humidity. The pre-leveling of the above-mentioned seedbeds is as follows: plowing at the beginning of December of the first year, the plowing depth is 15 cm, and a drainage system is constructed. The drainage ditch is 80 cm deep, 60 cm wide, and the spacing is 10 meters. Around May 1st, select A. annua seedlings with good growth and many bran...

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Abstract

The invention discloses a plantation method for obtaining high-content high-yield sweet wormwood in saline-alkali soil. The plantation method comprises preprocessing seeds, sorting land, raising seedlings, transplanting and harvesting. Compared with the prior art, the method has the advantages that sweet wormwood seeds are soaked in a salt solution and processed by microwaves, and the resistance of the seeds is improved; by turning over soil and building a drainage system, the salinity of the saline-alkali soil is reduced and the accumulation of salt in the surface soil is prevented; by raising the seedlings and transplanting in advance, the growth period of the sweet wormwood is prolonged, the sweet wormwood is harvested before blower buds appear, and the artemisine content is ensured; and therefore, the high-content high-yield sweet wormwood is obtained in the saline-alkali soil which is not suitable for growing the sweet wormwood originally.

Description

technical field [0001] The invention relates to the technical field of agricultural planting, in particular to a planting method for obtaining high-content and high-yield Artemisia annua in saline-alkali land. Background technique [0002] Artemisia annua is a traditional Chinese medicine in my country. It has the effects of clearing away heat and detoxification, soothing the liver and promoting gallbladder. As early as in Ge Hong's "Behind the Elbow", it was recorded that Artemisia annua can be used to treat malaria. In the 1970s, Chinese scientists isolated artemisinin from Artemisia annua. Artemisinin and its derivatives have become the first-line drugs for the treatment of malaria, which is related to the lives and health of hundreds of millions of malaria patients. [0003] Due to the complex structure of artemisinin and the high cost of chemical synthesis, the main source is still extracted from the plant Artemisia annua. Wild Artemisia annua is distributed in many pa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01C1/00
Inventor 唐克轩王玉亮孙小芬唐罗欧
Owner SHANGHAI JIAOTONG UNIV
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