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Pathogenicity ofFusarium oxysporum f.sp.tuberosi isolates from tubers and potato plants

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Summary

A study was carried out on eightF. oxysporum f.sp.tuberosi isolates from northern Italy. Six were from rotten tubers and two were from weak, but not wilted plants from seed-growing areas. Greenhouse and laboratory tests were done to assess the pathogenicity and potential spread of the fungus within the plant. All isolates caused dry rot on inoculated tubers. They were also able to infect vascular tissues through roots and leaves, but none caused wilt, stemend rot or other symptoms.F. oxysporum is often not visible in the field, but its propagules can increase under favourable conditions. It may therefore become a potential danger during potato storage.

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Authors and Affiliations

  1. Experimental Institute for Industrial Crops, Via di Corticella 133, Bologna, Italy

    L. M. Manici & C. Cerato

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  1. L. M. Manici
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  2. C. Cerato
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Manici, L.M., Cerato, C. Pathogenicity ofFusarium oxysporum f.sp.tuberosi isolates from tubers and potato plants. Potato Res 37, 129–134 (1994). https://doi.org/10.1007/BF02358713

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