1. J. B. Colquhoun, C. A. Mallory-Smith, K. C. Ross, C. M. Cole, and R. P. Affeldt .2002 .Integrated management of clover broomrape (Orobanche minor) in red clover., Weed Sci. Soc. Am. Abstr, 42 :36 .
2. Biochemical factors involved in vetch resistance toOrobanche aegyptiaca
3. Y. Goldwasser, Y. Kleifeld, D. Plakhine, and B. Rubin .1997 .Variations in vetch (Vicia spp.) response to Orobanche aegyptiaca., Weed Sci, 45 :756 –762 .
4. Several Mechanisms are Involved in Resistance of Helianthus to Orobanche cumana Wallr.
5. K. C. Ross, J. B. Colquhoun, C. A. Mallory-Smith, C. M. Cole, and R. P. Affeldt .2002 .Evaluation of clover broomrape (Orobanche minor) false and alternative hosts., Weed Sci. Soc. Am. Abstr, 42 :47 .