Effects Of Arbuscular Mycorrhizal Fungi On The Rhizosphere Soil Of Artemisia

Arbuscular mycorrhizal fungi symbiosis with plant roots, causing the plant rhizosphere soil affected, but the content of the effect is not clear.A pot experiment was conducted to study and compare the influence of two arbuscular mycorrhizal fungi (AMF), Glomus macrocarpum(GM) and Glomous versiforme(GV) on rhizosphere soil of the medicinal plant Artemisia annua (Artemisia annua L.). To investigate the mineral nutrients of soil enzyme activities, microbial population and microbial diversity of rhizosphere soil, combined with changes in the number of Artemisia annua which is effective medicinal ingredients of artemisinin, to provide theoretical basis for increasing the artemisinin content of Artemisia Artemisia and rational fertilization by using the Arbuscular Mycorrhizae Fungi. The main results of the study are as follows:1. The AM inoculation significantly increased absorption of soil available nitrogen and available phosphorus, which increased first and then decreased trend emerged along with the change of Artemisia annua growth period,and reach the maximum value at the growth period.The content of potassium appeared the same trend as the available nitrogen, and reach the maximum value at the Growth period. But in the whole growth period, there was no difference between the three experimental groups of GM,GV and CK experiment,so the AMF on improving the absorption of Artemisia annua rhizosphere soil available potassium had no significant effect.2. The AM inoculation significantly increased soil urease, phosphatase and invertase activities of rhizosphere soil of Artemisia.Compared with the CK experimental group, there was a trend of first increasing and then decreasing, and the maximum value was reached in the growth period.3. AMF inoculation can improve the bacteria, fungi and actinomycetes quantity of Artemisia annua rhizosphere soil, and showing an upward trend with the Artemisia annua growth period.Among the changes in the number of bacteria and fungi, the GM treatment group was the most, and the GV treatment group was the most in the number of actinomycetes.4. Different treatment artemisinin content in leaves of Artemisia annua order:GM>GV>CK。 Explanation, It can increase the content of AMF Leaves of Artemisia annua artemisinin.5.During the whole growth period of Artemisi, the microbial diversity index of GM a nd GV groups showed a gradually increasing trend. CK treatments showing the trend offirst increased and then decreased, indicating that the AMF inoculation can improve the Artemisia annua rhizosphere soil microbial diversity but has no significant effect on microbial uniform index. AMF inoculation can promote the use of monosacchari de and amine by microbial of annua rhizosphere soil though Biolog microplate Categ ory analysis but no effect on acids.