Novel microbial technologies for optimizing maize plant-soil systems: the multifunctional strain Enterobacter sp. ES1
文献类型： 外文期刊
作者： Xiao, Yufeng 1 ; Dong, Meiqi 1 ; Wang, Siya 1 ; Yang, Bingbing 1 ; Tian, Bowen 1 ; Han, Zhe 1 ; Wu, Xian 2 ; Zhang, Hao 1 ;
作者机构： 1.Jilin Agr Univ, Coll Plant Protect, Changchun 130118, Peoples R China
2.Jilin Acad Agr Sci, Inst Plant Protect, Changchun 130000, Peoples R China
关键词： microbiological technology; bioremediation; biocontrol; bacterial fertilizer; promotion; colonization
期刊名称：PEST MANAGEMENT SCIENCE （ 影响因子：3.8； 五年影响因子：4.3 ）
ISSN： 1526-498X
年卷期： 2025 年 81 卷 6 期
页码：
收录情况： SCI
摘要： BACKGROUNDIn recent years, a new microbial technology has emerged to optimize maize field productivity and soil health. This is crucial because of the adverse effects of pesticide contamination and diseases on maize yields.RESULTSEnterobacter sp. ES1, a multifunctional strain, effectively degraded 93.09% of nicosulfuron within 4 days. Optimal degradation occurred at 35 degrees C and pH 6.0, with 4% inoculum and 20 mg L-1 nicosulfuron. Strain ES1 could fix nitrogen and solubilize phosphorus and potassium. It also detoxified potassium and produced chrome azurol S and indole-3-acetic acid. Moreover, it promoted rapid maize seed germination, induced resistance to northern maize leaf blight, and up-regulated maize genes ZmOPR2, ZmPR5, ZmHPL, ZmOX10, ZmPAL, ZmPR1, ZmAOS, and ZmCTR1. Strain ES1R-gfp, prepared using green fluorescent protein and antibiotic domestication methods, functioned as a bacterial fertilizer with 31.04% sawdust, 32.96% straw, and 12.15% biochar, exhibiting a degradation rate of 99.65%.CONCLUSIONThe novel microbial technology of the multifunctional strain ES1 was verified through a pot experiment assessing nicosulfuron concentration and plant and soil indices, thereby providing a foundation for optimizing maize field restoration. (c) 2025 Society of Chemical Industry.
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