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| Analysis on Phyllosphere Bacterial Community Structureand Diversity of Three Garden Plants in Niche Area |
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| DOI：10.16768/j.issn.1004-874X.2022.06.006 |
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| Abstract: |
| 【Objective】The study was conducted to explore the phyllosphere bacterial community structure and
diversity of landscaping plants in the niche, and to understand the effects of similar environmental conditions and plant
characteristics on microbial community in the niche, with a view to provide references for the health management of garden plants and the exploitation of phyllosphere bacterial resources.【Method】High-throughput sequencing technology was applied
to explore the bacterial community structure and diversity of Eriobotyra japonica, Magnolia grandifl ora and Ficus altissima
leaves facing east within 50 m radius circle of Dali University campus.【Result】Among the three garden plants, E. japonica
had the highest phyllosphere bacterial diversity, followed by M. grandifl ora and F. altissima. The dominant bacterial phylum of
phyllosphere bacteria in different plants was Proteobacteria, and the first dominant bacterial genus was different. However, the
top five dominant genera were Sphingopyxis, Methylobacterium, Spirosoma, Hymenobacter and Achromobacter. There were
significant differences in phyllosphere bacterial community structure among the three plants, but the bacterial communities
were similar among the leaves with different sizes of the same plant. Only E. japonica and M. grandiflora leaves had the
largest phylum and genus distribution, indicating that the phyllosphere bacterial communities of evergreen broad-leaved
plants was more diverse and complex than those of deciduous broad-leaved plants.【Conclusion】There were differences in
the composition and diversity of phyllosphere bacterial communities among different plants, and the primary reasons for these
differences were the characteristics of the plants themselves. Therefore, it is urgent to strengthen the researches on the utilization
of phyllosphere bacterial resources of plants. |
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