Regional Ranking Planning Of The Ecological Feasibility For Artemisia Annua L. In Guangxi Zhuang Autonomous Region

The ingredient of artemisinin in Artemisia annua L.is a kind of traditional Chinese drug,which has efficiency in anti-malaria.The market foreground of artemisinin drug is very wide.At the present time,the main source of artemisinin is wildness Artemisia annua L.Its yield is not steady and content is different in different areas.The content of artemisinin in Guangxi is high and Guangxi is main artemisinin yielding area in China.In order to find suitable region to plant Artemisia annua L and to enhance the yield of artemisinin in Guangxi,studying adaptive area ranking division in Guangxi is useful.By mathematics statistical method,it is found that the main effecting factors on the content of Artemisia annua L.is climate and the statistical mode on the content of artemisinin and climate is made.Using ArcGis spatial analyzing function,considering the physiognomy,soil and vegetation condition,Artemisia annua L.adaptive area ranking division in Guangxi is worked out.The mathematics mode on the content of artemisinin and climate is Y=3.756+0.04X₁+0.03X₂-0.02X₃-0.125X₄+0.206X₅-0.254X₆-0.02X₇+0.003X₈+0.05X₉-0.02X₁₀ -0.00007X₁₁-0.001X₁₂+0.03X₁₃-0.002X₁₄+0.004X₁₅+0.0004X₁₆-0.004 X₁₇ (X1:average air temperature in February,X2:average air temperature in March:X3: average air temperature in April;X4:average air temperature in May;X5:average air temperature in June;X6:average air temperature in September;X7:average lowest air temperature in February;X8:average lowest air temperature in March;X9:average lowest air temperature in April;X10:average lowest air temperature in May;X11:average lowest air temperature in June;X12:average lowest air temperature in July;X13:average lowest air temperature inAugust;X14:sunlight hours in June;X15:sunlight hours in September;X16: precipitation in August;X17:precipitation in September)17 index of the most prominence effecting factors on the content of artemisinin are selected,the result of Artemisia annua L.adaptive area ranking division in Guangxi is made.Level I adaptive area is the most adaptive area in Guangxi,where the content of artemisinin is between 0.75%and 0.87%.Levelâ…¡adaptive area is secondly adaptive area in Guangxi,where the content of artemisinin is between 0.62%and 0.75%.Levelâ…¢adaptive area is adaptive area in Guangxi,where the content of artemisinin is between 0.50%and 0.62%.Levelâ…£adaptive area is not adaptive area in Guangxi,where the content of artemisinin is below 0.50%,which is not suitable for production.The yield of artemisinin is estimated everywhere in Guangxi,in order to evaluate the benefit of plant Artemisia annua L.