Assessment of Striga gesnerioides (Willd.) Resistance and Genetic Characterization of Forty-Six Cowpea (Vigna unguiculata (L.) Walp.) Genotypes in Ghana

Figure 1

Response of cowpea plants to S. gesnerioides infestation at 5 weeks after sowing seeds in Striga-infested soil. (a) Striga-susceptible cowpea plants under stress by Striga seedlings parasitism. (b) Striga-resistant cowpea plants showing vigorous vegetative growth without Striga emergence.