1. Germination requirements of some root-parasitic flowering plants
2. Parker, C. and Riches, C. R., Parasitic Weeds of the World. CAB International, Wallingford, U.K., 1993, p. 111
3. Joel, D. M., Steffens, J. C. and Matthews, D. E., in Seed Development and Germination, ed. N. Kigel and G. Galili. Marcel Dekker, New York, 1995, p. 567
4. Germination of Witchweed (
Striga lutea
Lour.): Isolation and Properties of a Potent Stimulant