To identify the pathogens responsible for Fusarium root rot in peas from Yunnan province,samples exhibiting Fusarium root rot were collected from Dali,Kunming,and Honghe City.Tissue isolation method was used to isolate and purify pathogens.Strain identification was conducted based on morphological characteristics and molecular biology techniques.The results indicated that a total of 85 fungal strains were obtained through tissue isolation,which were classified as Fusarium oxysporum,Fusarium solani,and Fusarium equiseti,with isolation frequencies of 60％,20％,and 20％,respectively.Virulence tests showed that these Fusarium strains could cause pea root rot disease and were identified as the pathogen of this disease.The pathogenicity of these three root rot pathogens ranked from strongest to weakest was found to be F.solani,F.oxysporum,and F.equiseti.Notably,this study marks the first report of F.solani and F.equiseti causing pea root rot in Yunnan.
维普
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