Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 550292
Title Biological control of Fusarium wilt of carnation with a nonpathogenic isolate of Fusarium oxysporum
Author(s) Postma, J.; Rattink, H.
Source Canadian Journal of Botany 70 (1992)6. - ISSN 0008-4026 - p. 1199 - 1205.
Department(s) Research Institute for Plant Protection
Publication type Refereed Article in a scientific journal
Publication year 1992
Abstract The nonpathogenic isolate 618-12 of Fusarium oxysporum, wild type as well as a benomyl-resistant mutant, suppressed Fusarium wilt (F. o. f.sp. dianthi) in a susceptible cultivar of carnation by 80%. Two other nonpathogenic isolates had a similar effect. Suppression by isolate 618-12 occurred only when antagonist and pathogen were both added to the soil but not if they were introduced at a different location (one in the stem, the other in the soil). Thus systemic induced resistance could not be demonstrated. In treatments where isolate 618-12 and the pathogen were both introduced into the soil, fewer plants showed symptoms, disease severity was less, and colonization by the pathogen was less extensive than after inoculation with the pathogen alone. After soil inoculation, the nonpathogenic isolate 618-12 was recovered from the stem, sometimes at a height of 60 cm. Key words: colonization, carnation stem, soil.
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