Alectra vogelii (L.) Benth is a parasitic weed in the family Scrophulariaceae that causes substantial damage by attaching onto the cowpea, Vigna unguiculata (L. Walp.) plant and tapping nutrients from it. Cowpea is one of ...

The variation in demographic parameters (namely survival and fecundity, intrinsic rate of natural increase pre-reproductive period and relative growth rate) was used to assess the resistance of cowpea landraces (namely ...