Arbuscular mycorrhizal fungi in two mangroves in South China

Yutao Wang, Qiu Qiu, Zhongyi Yang, Zhijian Hu, Nora Fung Yee Tam, Guorong Xin

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86 Citations (Scopus)

Abstract

The symbiosis between arbuscular mycorrhizal fungi (AMF) and mangrove plant species was investigated in two mangrove swamps in south China. AMF were mostly found in the form of hyphae and were commonly associated with all the mangrove species we investigated. Six AMF species belonging to the genera Glomus or Acaulospora were identified. Multiple step-wise linear regression analyses showed that hydrological conditions and phosphorus levels in the rhizosphere were the main abiotic factors affecting the colonization of mangrove species by AMF. A greenhouse experiment was conducted to evaluate the effects of AMF inoculation on the growth and nutrient uptake of a true mangrove plant species, Sonneratia apetala B. Ham. The inoculated AMF significantly improved growth, resulting in greater plant height, diameter at ground level and plant biomass, as well as increased absorption of N, P and K. These findings suggest that AMF play important roles in mangrove ecosystems.

Original languageEnglish
Pages (from-to)181-191
Number of pages11
JournalPlant and Soil
Volume331
Issue number1
DOIs
Publication statusPublished - Jun 2010
Externally publishedYes

Keywords

  • Arbuscular mycorrhizal fungi (AMF)
  • Hydrological conditions
  • Mangrove
  • Soil properties
  • Sonneratia apetala

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