Banana Fusarium Wilt Disease Incidence Is Influenced by Shifts of Soil Microbial Communities Under Different Monoculture Spans

Zongzhuan Shen, Christopher Penton, Nana Lv, Chao Xue, Xianfu Yuan, Yunze Ruan, Rong Li, Qirong Shen

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The continuous cropping of banana in the same field may result in a serious soil-borne Fusarium wilt disease and a severe yield decline, a phenomenon known as soil sickness. Although soil microorganisms play key roles in maintaining soil health, the alternations of soil microbial community and relationship between these changes and soil sickness under banana monoculture are still unclear. Bacterial and fungal communities in the soil samples collected from banana fields with different monoculture spans were profiled by sequencing of the 16S rRNA genes and internal transcribed spacer using the MiSeq platform to explore the relationship between banana monoculture and Fusarium wilt disease in the present study. The results showed that successive cropping of banana was significantly correlated with the Fusarium wilt disease incidence. Fungal communities responded more obviously and quickly to banana consecutive monoculture than bacterial community. Moreover, a higher fungal richness significantly correlated to a higher banana Fusarium wilt disease incidence but a lower yield. Banana fungal pathogenic genus of Fusarium and Phyllosticta were closely associated with banana yield depletion and disease aggravation. Potential biocontrol agents, such as Funneliformis, Mortierella, Flavobacterium, and Acidobacteria subgroups, exhibited a significant correlation to lower disease occurrence. Further networks analysis revealed that the number of functionally interrelated modules decreased, the composition shifted from bacteria- to fungi-dominated among these modules, and more resources-competitive interactions within networks were observed after banana long-term monoculture. Our results also showed that bacterial and fungal communities were mainly driven by soil organic matter. Overall, the findings indicated that the bacterial and fungal community structures altered significantly after banana long-term monoculture, and the fungal richness, abundance of Fusarium, interactions between and within bacteria and fungi in ecological networks, and soil organic matter were associated with banana soil-borne Fusarium wilt disease.

Original languageEnglish (US)
Pages (from-to)1-12
Number of pages12
JournalMicrobial Ecology
DOIs
StateAccepted/In press - Aug 8 2017

Fingerprint

disease incidence
wilt
Fusarium wilt
monoculture
bananas
microbial communities
microbial community
soil
fungal communities
bacterial communities
soil sickness
soil organic matter
potential biocontrol agent
fungus
continuous cropping
bacterium
network analysis
soil microorganism
Fusarium
cropping practice

Keywords

  • Co-occurrence network
  • Continuous cropping
  • Microbial diversity
  • MiSeq sequencing
  • Soil sickness

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Soil Science

Cite this

Banana Fusarium Wilt Disease Incidence Is Influenced by Shifts of Soil Microbial Communities Under Different Monoculture Spans. / Shen, Zongzhuan; Penton, Christopher; Lv, Nana; Xue, Chao; Yuan, Xianfu; Ruan, Yunze; Li, Rong; Shen, Qirong.

In: Microbial Ecology, 08.08.2017, p. 1-12.

Research output: Contribution to journalArticle

Shen, Zongzhuan ; Penton, Christopher ; Lv, Nana ; Xue, Chao ; Yuan, Xianfu ; Ruan, Yunze ; Li, Rong ; Shen, Qirong. / Banana Fusarium Wilt Disease Incidence Is Influenced by Shifts of Soil Microbial Communities Under Different Monoculture Spans. In: Microbial Ecology. 2017 ; pp. 1-12.
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