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 411755
Title Verticillium wilt in nursery trees: damage thresholds, spatial and temporal aspects
Author(s) Goud, J.C.; Termorshuizen, A.J.; Bruggen, A.H.C. van
Source European Journal of Plant Pathology 131 (2011)3. - ISSN 0929-1873 - p. 451 - 465.
Department(s) Laboratory of Nematology
Laboratory of Phytopathology
Biological Farming Systems
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) soil inoculum density - pratylenchus-penetrans - woody ornamentals - strawberry wilt - potato fields - dahliae - olive - microsclerotia - colonization - cauliflower
Abstract Verticillium wilt can cause high losses in tree nurseries. To be able to predict disease and unravel disease dynamics over time and space, the relationship between verticillium wilt and soil inoculum densities of Verticillium dahliae and the nematode Pratylenchus fallax was studied in two 4-year field experiments with Acer platanoides and Catalpa bignonioides in the Netherlands. Best-fit regression equations showed that pre-planting inoculum densities of V. dahliae can be used to predict verticillium wilt over a period of at least 4 years. Pratylenchus fallax contributed significantly to disease severity in A. platanoides in some years. Disease can already occur at the detection limit of the pathogens. The 5% infection thresholds for V. dahliae were at 1 (A. platanoides) vs. 3 (C. bignonioides) colony-forming units (CFU) g-1 soil. Analysis of spatial relationships indicated that diseased plants had a higher influence on neighbouring plants at low V. dahliae inoculum densities (
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