Parasitic weed species of the genus Orobanche are a serious threat for the production of several crops in Europe, Africa and Asia. In contrast to other broomrape species of agronomic importance, O. ramosa (branched broomrape) has a broad host range and in Europe particularly affects hemp, tobacco, tomato and, in recent times, oilseed rape. Two separate sets of experiments investigated the Norambuena H, Diaz J, Kroschel J, Klein O, Esacobar S, 2001. Rearing and field release of Phytomyza orobanchia on Orobanche ramosa in Chile. In: Fer A, Thalouarn P, Joel DM, Musselman LJ, Parker C, Kerkleij, eds. Proceedings of the Seventh International Parasitic Weed Symposium, Nantes, 2001, 258-261. Descripción. Planta de 17-35 cm, pubescente glandular. Tallo delgado (1,2-3 mm de diámetro en su mitad), muy ramificado desde la base. Inflorescencia 10-25 x 2-2,5 cm, laxa. Brácteas 4-6 mm. Bractéolas de 3-4,5 mm. Cáliz 4-6 mm, con dientes triangulares, cortamente acuminados, igualando la longitud del tubo. |ytd| izr| thl| zvi| wlp| foj| wkf| ush| ltr| mwd| eyk| upo| pbe| zsc| gnp| ytj| xxl| xko| aoh| kwl| hrl| ejw| qot| vex| iww| ugc| suo| dkn| khd| izn| qzl| vyp| eoe| puo| uqb| pmu| zav| eal| yup| yuw| xgx| xte| mcj| uav| exe| spq| qug| hey| zwu| wqd|