Soil Temperature Determines the Reaction of Olive Cultivars to Verticillium dahliae Pathotypes
Rocio Calderon, Carlos Lucena, Jose L Trapero-Casas, Pablo J Zarco-Tejada, Juan A Navas-Cortes
PLOS ONE | PUBLIC LIBRARY SCIENCE | Published : 2014
BACKGROUND: Development of Verticillium wilt in olive, caused by the soil-borne fungus Verticillium dahliae, can be influenced by biotic and environmental factors. In this study we modeled i) the combined effects of biotic factors (i.e., pathotype virulence and cultivar susceptibility) and abiotic factors (i.e., soil temperature) on disease development and ii) the relationship between disease severity and several remote sensing parameters and plant stress indicators. METHODOLOGY: Plants of Arbequina and Picual olive cultivars inoculated with isolates of defoliating and non-defoliating V. dahliae pathotypes were grown in soil tanks with a range of soil temperatures from 16 to 32°C. Disease pr..View full abstract
Awarded by "Consejeria de Economia, Innovacion y Ciencia" of Junta de Andalucia
Awarded by Spanish "Ministerio de Economia y Competitividad"
Awarded by Spanish "Ministerio de Ciencia e Innovacion"
Financial support for this research was provided by Project P08-AGR-03528 from "Consejeria de Economia, Innovacion y Ciencia" of Junta de Andalucia and the European Social Fund (JANC), and projects AGL-2012-37521 (JANC) and AGL2012-40053-C03-01 (PJZT) from the Spanish "Ministerio de Economia y Competitividad" and the European Social Fund. R. Calderon is a recipient of research fellowship BES-2010-035511 from the Spanish "Ministerio de Ciencia e Innovacion" and C. Lucena was a recipient of a JAE-DOC postdoctoral contract from "Consejo Superior de Investigaciones Cientificas" (CSIC) co-funded by the European Social Fund. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.