Community Composition of Culturable Fungi in Eucommia Ulmoides Phyllosphere and Screening of IAA-Producing Strains
As a unique medicinal plant in China,Eucommia ulmoides is widely distributed in Guizhou province.The phyllosphere microorganisms are of great significance for its growth.In order to reveal the community composition,diversity,and function of phyllosphere fungi in artificially cultivated and wild Eucommia ulmoides,and to screen strains with IAA-production activity,based on the traditional cultivation methods,the composition and diversity of endophytic fungal communities in Eucommia ulmoides phyllosphere was analyzed,and their function groups were annotated based on the FUNGuild database.As a result,a total of 226 fungal strains were isolated from E.ulmoides phyllosphere belonged to 2 phyla and 42 genera.Among them,154 strains were from wild leaves,mainly including 19 dominant genera such as Penicillium(25.32%),and 72 strains were from artificially cultivated leaves,mainly including 19 dominant genera such as Aspergillus(16.67%).The functional annotation results showed that,except for undefined functional groups,fungal groups mainly involve Animal Pathogen(12.79%),Plant Pathogen Wood Saprotroph(13.95%)and Endophyte Epiphyte Plant Pathogen(24.42%).The fungal species composition of cultivated and wild Eucommia ulmoides was quite different.At the same time,this study also screened several bacterial strains producing IAA.This research will provide valuable microbial resources for the subsequent artificial regulation of E.ulmoides phyllosphere microbiota to enhance plant health,promote plant growth,and develop functional strains.
NETL
NSTL
万方数据
