Effects of different cultivation measures on the structure and function of fungal and bacterial communities in the rhizosphere soil of cigar tobacco

doi:10.14088/j.cnki.issn0439-8114.2025.02.002

Abstract

Abstract: Using high-throughput sequencing technology, the changes of fungal and bacterial communities at the phylum and genus level in the rhizosphere soil under different cultivation methods of cigar tobacco were studied, the effects of cultivation methods on the structural diversity of fungal and bacterial communities were discussed, and functional gene pre-analysis was carried out. The results showed that the richness and diversity of fungal community in rhizosphere soil were significantly decreased under different cultivation patterns compared with the conventional cultivation （CK）, and the difference of the former was statistically significant（P<0.05）. Cultivation measures did not change the main composition of fungi and bacteria at phylum level, but could significantly recruit beneficial bacteria in the rhizosphere soil. The dominant fungal phyla in the rhizosphere soil were Ascomycota and Basidiomycota, and the dominant fungal genera were Fusarium, Alternaria and Penicillium. The dominant bacterial phyla were Proteobacteria and Actinobacteriota （except CK）, but the dominant bacterial genera varied under different treatments. The effect of Trichoderma asperellum or bio-carbon organic fertilizer on rhizosphere fungi and bacteria communities was more obvious.

Key words: rhizosphere soil, cultivation measures, cigar tobacco, fungal community, bacterial community, structure, function

CLC Number:

S154.3
S572

SHEN Jun-ru, HE Guo-you, TANG Xu-bing, REN Long-hui, FANG Bao, ZHEN An-zhong, KONG Chui-si. Effects of different cultivation measures on the structure and function of fungal and bacterial communities in the rhizosphere soil of cigar tobacco[J]. HUBEI AGRICULTURAL SCIENCES, 2025, 64(2): 6-12.

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