Détail du document
Identifiant
doi:10.1186/s12866-023-02871-4...
Auteur
Zhang, Linlin Li, Jiawei Wang, Zhilin Zhang, Dinghong Liu, Hui Wang, Jia Wu, Fengzhi Wang, Xue Zhou, XingangLangue
enEditeur
BioMed Central
Catégorie
Mycology
Année
2023
Date de référencement
24/05/2023
Mots clés
litter mixing weight loss microbial decomposer microbial community abundance microbial community composition plant decomposer stalk decomposition microbial incubation increased 56 day root mixing common beanRésumé
Background Decomposition of plant litter is a key driver of carbon and nutrient cycling in terrestrial ecosystems.
Mixing litters of different plant species may alter the decomposition rate, but its effect on the microbial decomposer community in plant litter is not fully understood.
Here, we tested the effects of mixing with maize ( Zea mays L.) and soybean [ Glycine max (Linn.)
Merr. ]
stalk litters on the decomposition and microbial decomposer communities of common bean ( Phaseolus vulgaris L.) root litter at the early decomposition stage in a litterbag experiment.
Results Mixing with maize stalk litter, soybean stalk litter, and both of these litters increased the decomposition rate of common bean root litter at 56 day but not 14 day after incubation.
Litter mixing also increased the decomposition rate of the whole liter mixture at 56 day after incubation.
Amplicon sequencing found that litter mixing altered the composition of bacterial (at 56 day after incubation) and fungal communities (at both 14 and 56 day after incubation) in common bean root litter.
Litter mixing increased the abundance and alpha diversity of fungal communities in common bean root litter at 56 day after incubation.
Particularly, litter mixing stimulated certain microbial taxa, such as Fusarium , Aspergillus and Stachybotrys spp.
In addition, a pot experiment with adding litters in the soil showed that litter mixing promoted growth of common bean seedlings and increased soil nitrogen and phosphorus contents.
Conclusions This study showed that litter mixing can promote the decomposition rate and cause shifts in microbial decomposer communities, which may positively affect crop growth.
Zhang, Linlin,Li, Jiawei,Wang, Zhilin,Zhang, Dinghong,Liu, Hui,Wang, Jia,Wu, Fengzhi,Wang, Xue,Zhou, Xingang, 2023, Litter mixing promoted decomposition and altered microbial community in common bean root litter, BioMed Central
