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| Isolation and Identification of Garlic Dry Rot Disease Pathogen |
| LI Xu-shuang，CHEN Dian，LIANG Yu，WANG Yong* |
| College of Horticulture，Northeast Agricultural University，Harbin 150030，Heilongjiang，China |
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Abstract In order to study the pathogens of garlic dry rot disease，this study used the susceptible garlic（Allium sativum L.）strain Z-1001 for pathogen isolation，single-spore purification and pathogenicity determination．The results revealed that the F strain and J strain were main garlic dry rot pathogenic strains．The results of pathogen morphology observation and rDNA ITS sequence analysis showed that F strain was Fusarium oxysporum Schlecht，while J strain was Fusarium proliferatum（Matsush.）Nirenberg，which in turn revealed that F.?oxysporum Schlecht and F.?proliferatum（Matsush.）Nirenberg were the main pathogens of garlic dry rot disease.
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Received: 01 March 2012
Published: 27 March 2012
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