Phosphorus fertilization rather than nitrogen fertilization, growing season and plant successional stage structures arbuscular mycorrhizal fungal community in a subtropical forest
| Autor: | Niu-Niu Ji, Xing-Chun Li, Pulak Maitra, Yong-Long Wang, Liang-Dong Guo, Cheng Gao, Peng-Peng Lü, Dipa Mandal, Yong Zheng, Busayo Joshua Babalola |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
0303 health sciences
biology Phosphorus fungi Soil Science Growing season chemistry.chemical_element 04 agricultural and veterinary sciences biology.organism_classification Microbiology 03 medical and health sciences Diversity index Human fertilization Agronomy Glomeraceae chemistry 040103 agronomy & agriculture 0401 agriculture forestry and fisheries Ecosystem Species richness Tropical and subtropical moist broadleaf forests Agronomy and Crop Science 030304 developmental biology |
| Zdroj: | Biology and Fertility of Soils. 57:685-697 |
| ISSN: | 1432-0789 0178-2762 |
| Popis: | Soil arbuscular mycorrhizal (AM) fungi were monitored in a 4-year experiment of nitrogen (N) and phosphorus (P) fertilization in three growing seasons (April, August, and November) under two successional stages (young and mature) in a subtropical forest of China. AM fungal extra-radical hyphal density was significantly affected by fertilization, season, and interactions between fertilization and season and between forest stage and season, but not by forest stage. The spore density of AM fungi was significantly affected by forest stage and season, but not by fertilization. Totally, 160 operational taxonomic units (OTUs) of AM fungi have been identified at a 97% sequence similarity level using Illumina MiSeq sequencing of the V4 region of the 18S rDNA. AM fungal Shannon diversity index, but not OTU richness, showed a positive response to P fertilization. The community composition of AM fungi was significantly influenced by P fertilization, but not by N fertilization, season, and forest stage. Phosphorus fertilization exhibited a negative impact on the relative abundance of the dominant Glomeraceae. This finding highlights that P availability has a strong effect on the community of AM fungi in the subtropical forest ecosystem. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|