Epidemiology of Fusarium wilt in cyclamen in an ebb and flow system (original) (raw)
Abstract
Introduction of_Fusarium oxysporum_ f. sp.cyclaminis either into the nutrient solution or into the potting soil, did not result in noticeable spread of disease in a cyclamen crop grown in pots on tables of an ebb and flow system. Immediately after its introduction, only a small amount of the inoculum was detected in the soil in the pots and in the nutrient solution flowing onto the tables.
Study of the epidemiology of the disease, after introduction of the pathogen into the system, revealed a mechanical process. Within 24 hours the amount of cfu found in the out-flowing nutrient solution and halfway down the container was sharply reduced. After 5–7 days few cfu could be detected. On the contrary on the bottom of the containers the fungus was observed in increasing amounts. In the system used the spores of the fungus settled down and were not transported during floods.
Samenvatting
Bij cyclamenteelt op een eb-vloed-systeem werd, na introductie van_F. oxysporum_ f.sp.cyclaminis via de voedingsoplossing of via de grond in de potten, vrijwel geen verspreiding van het pathogeen gevonden. In vrij korte tijd na de introductie werd in de uitstromende voedingsoplossing en in de potgrond slechts een zeer gering gedeelte van de oorspronkelijk geïntroduceerde hoeveelheid_Fusarium_ teruggevonden.
Bij onderzoek omtrent de epidemiologie van de ziekte na introductie in het syssteem waren op verschillende plaatsen na 24 uren slechts zeer geringe hoeveelheden en na 5–7 dagen vrijwel geen_Fusarium_ aantoonbaar. Daarentegen werden op de bodem van de voorraadtanks in toenemende mate grote hoeveelheden_Fusarium_ aangetroffen. In het gebruikte systeem bezonken de sporen en werden niet meegevoerd tijdens de vloed.
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References
- Komada, H., 1975. Development of a selective medium for quantitative isolation of_Fusarium oxysporum_ from natural soil. Review Plant Protection Research 8: 114–124.
Google Scholar - Rattink, H., 1983. Spread and control of_Fusarium_ wilt in Carnations on artificial substrates. Acta Horticulturae 141: 103–109.
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Authors and Affiliations
- Research Institute for Plant Protection (IPO), P.O. Box 9060, 6700 GW, Wageningen, the Netherlands
H. Rattink
Additional information
Seconded to the Research Station for Floriculture (PBN), Linnaeuslaan 2A, 1431 JV Aalsmeer, the Netherlands.
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Rattink, H. Epidemiology of Fusarium wilt in cyclamen in an ebb and flow system.Netherlands Journal of Plant Pathology 96, 171–177 (1990). https://doi.org/10.1007/BF01974254
- Accepted: 15 March 1990
- Issue date: May 1990
- DOI: https://doi.org/10.1007/BF01974254