Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/41959
Title: Implications of plant material origin, land use history and soil properties in the incidence of verticillium wilt in olive groves
Authors: Rodríguez, E., García-Garrido, J. M., García, P. A., Campos, Mercedes
Keywords: Defoliating Verticillium pathotypes
Landuse
Nondefoliating pathotypes
Olea europaea
Soil
Disease management
Issue Date: 2011
Publisher: Edizioni Ets
Abstract: The increased presence of Verticillium wilt (Verticillium dahliae Kleb.) in olive groves is often related to the use of infected propagation material and to the planting of new olive trees in contaminated soils. This study assessed the implications of plant propagation, land-use history and soil properties on disease prevalence in southern Spain, the most important olive-growing area worldwide. To this purpose, a large-scale sampling survey was carried out in this area, V. dahliae pathotypes were identified by PCR, and GIS was used to analyze soil properties and cropland-use history. Finally, multiple correspondence analysis was performed to show the statistical association between the variables taken into account. Results strongly indicated the potential risk of planting olive in valleys with irrigated cropland history, especially those that had hosted herbaceous crops, highlighted the importance of using pathogen-free certified planting material as a key component for a successful disease management, and confirmed the role played by saline, alkaline, and steep-slope soils in enhancing V. dahliae prevalence.
Description: 8 páginas, 2 figuras, 1 tabla.
Publisher version (URL): http://www.sipav.org/main/jpp/jol.htm
URI: http://hdl.handle.net/10261/41959
ISSN: 1125-4653
Citation: Journal of Plant Pathology 93(1): 111-118 (2011)
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