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Post attachment resistance of selected NERICA rice cultivars (N1, N7, N9, N10 and N17) and their parents to (A) Striga hermonthica (Sh-Mbita) and (B) S. asiatica (Sa-Kyela) ecotypes collected from the field sites at Mbita Point, Kenya and Kyela, Tanzania respectively. Striga dry weight was assessed at 21 days after infection. Data are means of four replicates ± SE. Means with the same letter do not differ significantly from each other (Tukey multiple comparison test, P > 0.05).
