HAN Hui-ling2
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To provide a control strategy against peanut pod rot during the peanut pod-bearing stage, The strains with biocontrol effect on peanut pod rot pathogen Fusarium neosporum were screened by confrontation test. The taxonomic status of the target strain was determined through the morphological observation, physiological and biochemical characterization, and whole-genome sequencing analysis, which was identified as Bacillus paralicheniformis A1. Subsequently, a powdered microbial inoculant containing Bacillus paralicheniformis A1, Bacillus subtilis NXO3, and Paenibacillus mucilaginosus GF-32a was prepared with a viable count of 5.0×108 CFU/g for field application. Results demonstrated that Bacillus paralicheniformis A1 exhibited a phosphate solubilization rate of 1.12%, the yield of γ-polyglutamic acid reached 3.1 g/L, and showed a 49.83% inhibition rate against Fusarium neosporum XL-3-5. In field trials conducted in eastern Hebei, the application of 600 kg/ha of powdered microbial inoculant I before rainfall resulted in the plot plant incidence rate(PPIR) of 33.81%, control efficacy of 57.58%, and rotten pod rate of 17.44% in experimental field 1. While in experimental field 2, the PPIR was 18.21%, control efficacy reached 51.85%, and rotten pod rate was 9.71%. The control efficacy in both fields was significantly higher than that of the conventional control(P<0.05). In trials in central-southern Hebei, the average pod yield of different peanut varieties in the conventional control group was 5,354.4 kg/ha, whereas the application of 675 kg/ha of powdered microbial inoculant II before rainfall increased the average pod yield of different peanut varieties to 6,595.05 kg/ha, corresponding to a significant average yield increase of 20.88%. These results indicate that applying the compound microbial inoculant of Bacillus paralicheniformis A1 at the early occurrence of peanut pod rot can effectively control the disease and increase peanut yield, which provides technical support for the prevention and control of peanut pod rot.
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Basic Information:
DOI：10.14001/j.issn.1002-4093.2026.02.009
China Classification Code:S435.652
Citation Information:
[1]TAN Xin-miao,FENG Li-na,WANG Xiao-han ,et al.Identification of Bacillus paralicheniformis A1 and Control Effect of Its Compound Microbial Inoculant on Peanut Pod Rot[J].Journal of Peanut Science,2026,55(02):230-240.DOI:10.14001/j.issn.1002-4093.2026.02.009.
Fund Information:
河北省现代农业产业技术体系建设专项(HBCT2024040203); 河北省科技厅种业创新团队“花生现代种业科技创新团队”(21326316D-6); 河北科技师范学院博士启动基金项目(2023YB015)
2026-03-24
2026-03-24
2026-03-24