title: Differences in Crenate Broomrape Parasitism Dynamics on Three Legume Crops Using a Thermal Time Model.
abstract: Root parasitic weeds are a major limiting production factor in a number of crops, and control is difficult. Genetic resistance and chemical control lead the fight, but without unequivocal success. Models that help to describe and even predict the evolution of parasitism underground are a valuable tool for herbicide applications, and even could help in breeding programs. Legumes are heavily affected byOrobanche crenata(crenate broomrape) in the Mediterranean basin. This work presents a descriptive model based on thermal time and correlating growing degree days (GDD) with the different developmental stages of the parasite. The model was developed in three different legume crops (faba bean, grass pea and lentil) attacked by crenate broomrape. The developmental stages of the parasite strongly correlated with the GDD and differences were found depending on the host crop.
authors.affiliation: Area de Mejora y Biotecnologia, IFAPA, Centro Alameda del Obispo Córdoba, Spain.
authors.forename: Alejandro
authors.initials: A
authors.lastname: Pérez-de-Luque
authors.affiliation: Departamento de Ciencias Agroforestales, ETSI La Rábida, Universidad de Huelva Huelva, Spain.
authors.forename: Fernando
authors.initials: F
authors.lastname: Flores
authors.affiliation: Institute for Sustainable Agriculture, Consejo Superior de Investigaciones Científicas (CSIC) Córdoba, Spain.
authors.forename: Diego
authors.initials: D
authors.lastname: Rubiales
keywords: GDD; Orobanche crenata; faba bean; grass pea; legumes; lentil; parasitic weeds