Abstract
Soil microorganisms can form a stable dynamic system with plant root systems. The composition of the soil microorganism community is related to the growth and stress resistance of plants; in turn, soil microorganisms are also regulated by plant genotypes and root exudates. Therefore, research on how to identify microorganisms that are beneficial or harmful to plants, study the interaction between microorganisms and plants, and form stable microbial communities for better plant growth plays an important role in sustainable agriculture. It is of great significance to identify and analyze rhizosphere microorganisms and plant endophytes through high-throughput methods, especially to analyze which microorganisms are beneficial to plants, which are harmful to plants, and which are opportunistic pathogens. This review provides a theoretical basis and outlook for the utilization of beneficial microbes in sustainable agriculture.
Highlights
Soil is an important medium in which plants survive and grow
This review provides a theoretical basis for the use of a customized plant microbiome in sustainable agriculture
Beattie (2015) isolated and cultivated up to 65% of the bacteria in the root system and up to 54% of the bacteria in the leaf microbial community of Arabidopsis thaliana grown in nature and established a resource library of these strains to reconstruct leaf and root microorganisms in sterile plant groups
Summary
Soil is an important medium in which plants survive and grow. A network of hormonal and other responses with respect to soil conditions is involved in attuning the growth and development of a plant to its environment (Passioura, 2002). The metabolism of beneficial microorganisms can provide a source of materials for plants, including nitrogen, phosphorus, potassium and other elements, to improve soil fertility and promote plant growth and health (Lu et al, 2019). Beneficial soil microorganisms can improve the soil microenvironment, promote plant growth, and reduce the risk of infection by pathogenic bacteria. In environments conducive to healthy plant growth, there are certain proportions of beneficial and harmful microbes in the microbial community (Xia et al, 2016) Once these proportions are disrupted, plants will become diseased. Studies have shown that several genes in plants can be modified to regulate the steady state of the microbiome or optimize the microbiome to improve plant health and resistance to stressful environments, thereby increasing the yield of important crops and improving natural ecosystems (Chen T. et al, 2020). This review provides a theoretical basis for the use of a customized plant microbiome in sustainable agriculture
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