Land-use changes alter the arbuscular mycorrhizal fungal community composition and assembly in the ancient tea forest reserve

Ji, Lingfei; Yang, Xiangde; Zhu, Chen; Ma, Lifeng; Chen, Yu-Pei; Ling, Ning; Zhou, Zhongfan; Ni, Kang; Guo, Shiwei; Helgason, Thorunn; Ruan, Jianyun

doi:10.1016/j.agee.2022.108142

Cited by 14 publications

(3 citation statements)

References 58 publications

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“…Arbuscular mycorrhizal fungi (AMF) have been widely known to be associated with a wide variety of plants and play a key role in plant nutrition by providing access to soil‐derived nutrients (Bhantana et al, 2021; Herrmann et al, 2016). AMF communities are affected by a number of environmental factors, such as soil characteristics, host plants and cultivation methods (Ji et al, 2022; Xu et al, 2017). In our study, the average AMF frequency (F) and intensity (M) of the agroecological tea roots were significantly greater than in conventionally managed tea plantations.…”

Section: Discussionmentioning

confidence: 99%

Sustainable green tea production through agroecological management and land conversion practices for restoring soil health, crop productivity and economic efficiency: Evidence from Northern Vietnam

Herrmann

Bräu

et al. 2023

Soil Use and Management

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Tea is a very important cash crop in Vietnam as it provides crucial income and employment for farmers in poor rural areas. Unfortunately, the dominance of long-term, conventional tea cultivation has caused severe soil health degradation and environmental pollution. At the same time, as tea production may provide a better net income compared with other annual crops such as rice and vegetables, farmers have been converting parts of their allocated land to cultivate tea plants. Little is known about the benefit of agroecological management as an alternative to conventional tea management practices, and thus, there is a need to understand how it can improve tea yields, quality and the livelihoods of the farmers. Conducted in Northern Vietnam from 2019 to 2022, this study examined the impacts of agroecological tea management practices on soil health indicators, tea yield and quality, and net income of tea farmers. We showed that agroecological management practices significantly enhanced soil organic matter by 0.8% and soil pH by 0.5 units on average. Conversely, conventional manage-

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Section: Discussionmentioning

confidence: 99%

Sustainable green tea production through agroecological management and land conversion practices for restoring soil health, crop productivity and economic efficiency: Evidence from Northern Vietnam

Herrmann

Bräu

et al. 2023

Soil Use and Management

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“…In particular, various AMF are known to provide host plants with essential mineral elements, confer resistance to pests, diseases and abiotic stress and promote plant health (Almario et al, 2022;. AMF members of the Glomus, Acaulospora and Gigaspora genera have all been reported in cultivated tea lands, e.g., in India and various locations of China (Sharma et al, 2013;Ji et al, 2022;.…”

Section: Fungal Communities In Tea Gardens Soilsmentioning

confidence: 99%

Understanding and exploring the diversity of soil microorganisms in tea (Camellia sinensis) gardens: toward sustainable tea production

Jibola-Shittu,

Heng,

Keyhani

et al. 2024

Front. Microbiol.

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Leaves of Camellia sinensis plants are used to produce tea, one of the most consumed beverages worldwide, containing a wide variety of bioactive compounds that help to promote human health. Tea cultivation is economically important, and its sustainable production can have significant consequences in providing agricultural opportunities and lowering extreme poverty. Soil parameters are well known to affect the quality of the resultant leaves and consequently, the understanding of the diversity and functions of soil microorganisms in tea gardens will provide insight to harnessing soil microbial communities to improve tea yield and quality. Current analyses indicate that tea garden soils possess a rich composition of diverse microorganisms (bacteria and fungi) of which the bacterial Proteobacteria, Actinobacteria, Acidobacteria, Firmicutes and Chloroflexi and fungal Ascomycota, Basidiomycota, Glomeromycota are the prominent groups. When optimized, these microbes’ function in keeping garden soil ecosystems balanced by acting on nutrient cycling processes, biofertilizers, biocontrol of pests and pathogens, and bioremediation of persistent organic chemicals. Here, we summarize research on the activities of (tea garden) soil microorganisms as biofertilizers, biological control agents and as bioremediators to improve soil health and consequently, tea yield and quality, focusing mainly on bacterial and fungal members. Recent advances in molecular techniques that characterize the diverse microorganisms in tea gardens are examined. In terms of viruses there is a paucity of information regarding any beneficial functions of soil viruses in tea gardens, although in some instances insect pathogenic viruses have been used to control tea pests. The potential of soil microorganisms is reported here, as well as recent techniques used to study microbial diversity and their genetic manipulation, aimed at improving the yield and quality of tea plants for sustainable production.

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“…In general, the conception of a holobiont holds that the host plant and its correlated microbial community together make up the individual plant, whose ecology and evolution are considered inextricably intertwined (Guo et al, 2021). The host plant provides a diverse range of habitats, carbon sources and root exudates that enable the recruitment of specific microbial communities capable of performing specialized functions (Ji et al, 2022). At the same time, the core microbiomes were defined as widely present in in all locations of host plants and not affected by space, time, and/or plant genotypes can provide a range of ecological functions, such as the acquisition of nutrients, the defence of pathogens, the degradation of agrochemicals and the increased tolerance to biotic and abiotic stresses (Hassani et al, 2018; Schlatter et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

The core microbiota as a predictor of soil functional traits promotes soil nutrient cycling and wheat production in dryland farming

et al. 2023

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Host plants and the microbiota living in the rhizosphere are interdependent, mutually reinforced and mutually beneficial but the assembly, functions and microbial interactions of the host‐associated microbiota are still unclear. Herein, winter wheat was selected as a test plant to explore the assembly process of total bacteria from bulk soil (BS) and rhizosphere soil (RS), and phoD‐harbouring bacteria in RS at a long‐term (14 years) trial site. We also identified core microbes that are potentially relevant to soil carbon (C), nitrogen (N) and phosphorus (P) cycling genes and soil biogeochemical properties, and investigated the relationships between soil variables, functional genes and wheat productivity. The results showed that the microhabitat of the plant, rather than P fertilizer input, was the main factor affecting the microbial diversity, composition and co‐occurrence networks. The BS bacterial community was driven by deterministic processes but the RS and phoD bacterial communities were dominated by stochastic processes. The influence of deterministic processes decreased with increasing soil nutrient content. A core microbial community consisted of 10 OTUs in different microhabitats and was significantly related to soil functional genes and properties. In the rhizosphere soil, significant correlations were found between soil variables, soil functional bacteria and genes, and crop productivity. Synthesis and applications. This study provides empirical evidence that the assembly process of the microbial community is governed by environmental factors in various soil environments and provides new perspectives on the sustainable improvement of crop productivity. Read the free Plain Language Summary for this article on the Journal blog.

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Land-use changes alter the arbuscular mycorrhizal fungal community composition and assembly in the ancient tea forest reserve

Cited by 14 publications

References 58 publications

Sustainable green tea production through agroecological management and land conversion practices for restoring soil health, crop productivity and economic efficiency: Evidence from Northern Vietnam

Sustainable green tea production through agroecological management and land conversion practices for restoring soil health, crop productivity and economic efficiency: Evidence from Northern Vietnam

Understanding and exploring the diversity of soil microorganisms in tea (Camellia sinensis) gardens: toward sustainable tea production

The core microbiota as a predictor of soil functional traits promotes soil nutrient cycling and wheat production in dryland farming

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