Control of the yam nematode (Scutellonema bradys) with neem fruit powder

Pages 634-637

J.I. Onalo, R. Asiedu and S.O. Adesiyan


The effectiveness of neem (Azadiracta indica) fruit powder against the yam nematode (Scutellonema bradys) was studied in a field trial. Individual stands of yams were inoculated with yam peels infested with S. bradys. Tubers and soil were sampled at harvest for presence and abundance of the nematode. Tubers were also assessed for presence and severity of dry rots. Higher mortality (100%) of the nematode was observed in neem treated plots compared to untreated ones.

Treated plots also produced significantly higher yields of tubers which were free of the nematode.

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