Inheritance of resistance to sunflower broomrape (Orobanche cumana Wallr.) in an interspecific cross between Helianthus annuus and Helianthus debilis subsp. tardiflorus
1. Institute for Sustainable Agriculture (CSIC), Alameda del Obispo s/n, 14004 Córdoba, Spain, E‐mail: lvelasco@ias.csic.es;2. USDA‐ARS, Northern Crop Science Laboratory, 1605 Albrecht Blvd. N, Fargo, North Dakota 58102, USA