Ecological Distribution Of Arbuscular Mycorrhizal Fungi The Rhizospere Of Ten Species Of Medicinal Plants In Anguo City Hebei Province

The traditional method of planting medicinal plants, which uses chemical fertilizers and pesticides, makes the degradation of soil fertility and reduces the quality of medicinal plants . According to good agricultural practices, biological pest control should be adopted to solve the problems occured in the process of planting medicinal plants. AM fungi can form symbiosis with lots of medicinal plants, It can advance host plants antireversion force. In this study, the symbiotic relationship of the medicinal plants plants and the AM fungi were used as an entry point, the community composition, the spatio-temporal distribution and their relations to soil factors were investigated and analyzed. Wish can offer the material and basis to medicinal plant standard operation procedures Main research results are as follows1 Twenty-three AM fungal species of 3 genera were identified in the rhizospere of ten species medicinal plants, 11 species belong to Glomus, 6 species belong to Acaulospora, 6 species belong to Scutellospora. The result shows that the diversity of AM fungi in the rhizospere of ten species medicinal plants is rich.2 Glomus geosporum and Glomus mosseae were the dominant fungi , Glomus reticulatum distribute in rhizosphere of ten species medicinal plants, Glomus clarum only appeared in the rhizosphere of Dendranthema morifolium, Glomus multicaule only appeared in the rhizosphere ofAderophora stricta. The result shows different AM fungal species are different to the ecological environment compatibility, and selectivity to host plants.3 The average colonization of the ten species of medicinal plants is 76.86~99.53%, and the average spore density reach 845.7~2239.1/100g soil; The result shows that the ten species of medicinal plants can form well symbionts with AM fungi.4 70% medicinal plants in this survey belong to Arum-type, and others belong to Paris-type. Aderophora stricta, Dendranthema morifolium, Arisaema erubescens, Saposhnikovia divaricata, Astragalus membranaceus, Glycyrrhiza uralensis, Scutellaria baicalensis belong to Arum-type; Angelica dahurica, Belamcanda chinensis, Atractylodes macrocephala belong to Paris-type The result shows that Mycorrhizal type have close correlations with host plants.5 The result shows that the average Arbuscule colonization of the ten species of medicinal plants was higher in summer, the average spore density and Vesicle colonization were higher in autumn. The experiment results indicate the distribution and activity of AM fungi have close correlations with seasonal transformations.6 The result shows, percentages of glomalin related soil protein (GRSP) in soil organic carbon was 13.97~47.14%, the average is 30.08%, diversification with the change of host plants species. The result shows, GRSP could be one of the main origins of soil organic carbon.7 Soil available N, Soil available P, soil organic carbon, Urease, phosphatase, and GRSP exhibits a positive or significant positive correlation with arbuscular colonization of the ten species medicinal plants, The result shows that soil conditions were important factors to the colonization and spore density of AM fungi.