Identification, Characterization, and Chemical Management of Fusarium asiaticum Causing Soybean Root Rot in Northeast China
文献类型： 外文期刊
作者： Liu, Jinxin 1 ; Cui, Wanqiu 1 ; Zhao, Qingyi 1 ; Ren, Zhipeng 2 ; Li, Lin 3 ; Li, Yonggang 1 ; Sun, Lei 4 ; Ding, Junjie 5 ;
作者机构： 1.Northeast Agr Univ, Coll Plant Protect, Harbin 150030, Peoples R China
2.Heilongjiang Acad Agr Sci, Harbin 150030, Peoples R China
3.Heilongjiang Ecol Inst, Harbin 150030, Peoples R China
4.Heilongjiang Acacemy Black Soil Conservat & Utiliz, Harbin 150030, Peoples R China
5.Heilongjiang Acad Agr Sci, Jiamusi Branch, Jiamusi 154000, Peoples R China
关键词：
soybean; root rot;
期刊名称：AGRONOMY-BASEL （ 影响因子：3.4； 五年影响因子：3.8 ）
ISSN：
年卷期： 2025 年 15 卷 2 期
页码：
收录情况： SCI
摘要：
Soybean root rot, a soil-borne fungal disease, is caused by multiple pathogens that seriously affect soybean production. During spring 2021, 92 pathogenic fungal strains were isolated from soybean plants with root rot in Hailun City, Heilongjiang Province, China. Through morphological and molecular identification, these strains were identified as Fusarium oxysporum (39.1%), F. asiaticum (30.4%), F. graminearum (13.0%), Pythium macrosporum (8.7%), and Rhizoctonia solani (8.7%). Among them, F. oxysporum was the dominant species, and F. asiaticum, not previously reported as a soybean root rot pathogen in Northeast China. Approximately 50% of the F. asiaticum isolates were moderately pathogenic. In addition, F. asiaticum had a wide host range, infecting black soybean, French bean, white hyacinth bean, mung bean, and adzuki bean but not corn, peanut, rice, and oat roots. Regarding field management, fludioxonil and pyraclostrobin had the best control effects of 73.8% and 69.4%, with EC50 values of 0.0029-0.0071 mu g
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