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 536820
Title Survival of Phytophthora cinnamomi and Fusarium verticillioides in commercial potting substrates for ornamental plants
Author(s) Puértolas, Alexandra; Boa, Eric; Bonants, Peter J.M.; Woodward, Steve
Source Journal of Phytopathology (2018). - ISSN 0931-1785
DOI http://dx.doi.org/10.1111/jph.12708
Department(s) PPO/PRI Biointeractions and Plant Health
Publication type Refereed Article in a scientific journal
Publication year 2018
Keyword(s) Fusarium - Ornamental plants - Peat - Peat-free - Phytophthora - Potting substrates - Survival
Abstract Live plants, particularly when accompanied by soil or potting substrates, are considered the main pathway for international spread of plant pathogens. Modern, rapid shipping technologies for international plant trade increase the probability of plant pathogen survival during transport and the subsequent chances of disease outbreaks in new locations. The survival of two model pathogens, an Oomycete, Phytophthora cinnamomi, and a filamentous fungus, Fusarium verticillioides, was studied in two different commercial potting substrates (peat and peat-free) under glasshouse conditions in the absence of a plant host. Survival rates were analysed at 2, 7, 12 and 17 months after substrate inoculation. Fusarium verticillioides had the longest survival rate, and was still present at 17 months. In contrast, P. cinnamomi survived up to 7 months but was not recovered after 12 or 17 months. There was no significant difference in the number of colony-forming units (CFUs) of either pathogen in the two substrates, except at 2 months, when higher numbers were recovered from peat substrates.
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