1. Abbes Z, Kharrat M, Delavault P, Simier P, Chaïbi W (2007) Field evaluation of the resistance of some faba bean (Vicia faba L.) genotypes to the parasitic weed Orobanche foetida Poiret. Crop Prot 26:1777–1784
2. Aigbokhan EI, Berner DK, Musselman LJ (1998) Reproductive ability of hybrids of Striga aspera and Striga hermonthica. Phytopathology 88:563–567
3. Babiker AGT, Mohamed ES, El Mana ME (1994) Orobanche problem and management in the Sudan. In: Pieterse AH, Verkleij JAC, ter Borg SJ (eds) Proceedings of the 3rd international workshop on Orobanche and Related Striga research. Royal Tropical Institute, Amsterdam, pp 672–676
4. Babiker AGT, Ahme EA, Dawoud DA, Abdrella NK (2007) Orobanche species in Sudan: history, distribution and management. Sudan J Agric 10:107–114
5. Barnard EL, Coile NC (1996) Black-senna (Seymeria cassioides (J.F Gmel.) Blake): a root parasite of importance to forestry in Florida. Plant Pathology Circular (Gainesville) No 380, 4 pp