Co-application of chitooligosaccharides and arbuscular mycorrhiza fungi reduced greenhouse gas fluxes in saline soil by improving the rhizosphere microecology of soybean
文献类型: 外文期刊
作者: Junqing Ma;Yi Xie;Jiali Sun;Ping Zou;Siqi Ma;Yuan Yuan;Shakeel Ahmad;Xia Yang;Changliang Jing;Yiqiang Li
作者机构:
关键词: Arbuscular mycorrhizal fungi;Chitooligosaccharides;Greenhouse gas;Rhizosphere microecology;Saline soil
期刊名称: Journal of Environmental Management
ISSN: 0301-4797
年卷期: 2023 年 345 卷
页码:
收录情况: SCIE(2023版)
摘要: Soil salinization can affect the ecological environment of soil and alter greenhouse gas (GHG) emissions. Chitooligosaccharides and Arbuscular mycorrhizal fungi (AMF) reduced the GHG fluxes of salinized soil, and this reduction was attributed to an alteration in the rhizosphere microecology, including changes in the activities of β-glucosidase, acid phosphatase, N-acetyl-β-D-glucosidase, and Leucine aminopeptidase. Additionally, certain bacteria species such as paracoccus, ensifer, microvirga, and paracyclodium were highly correlated with GHG emissions. Another interesting finding is that foliar spraying of chitooligosaccharides could transport to the soybean root system, and improve soybean tolerance to salt stress. This is achieved by enhancing the activities of antioxidant enzymes, and the changes in amino acid metabolism, lipid metabolism, and membrane transport. Importantly, the Co-application of chitooligosaccharides and Arbuscular mycorrhiza fungi was found to have a greater effect compared to their application alone.
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