Efficacy of combined application of Trichoderma asperellum NG T158, Aloe vera leaf extract and poultry manure for the management of Colletotrichum lindemuthianum causing anthracnose disease on cowpea
2019
Dania, Victor Ohileobo | Gbadamosi, Lateef Oladapo
Anthracnose disease is a major constraint for the production of cowpea, accounting for significant yield losses in Nigeria. Trials were conducted in 2016 and 2017 to evaluate an integrated approach in the management of anthracnose disease on cowpea. The experiment was conducted in a screenhouse with ten treatments and three replications in a completely randomised design using a susceptible cowpea variety IT07K-298-9. Ten varieties of cowpea were evaluated for seed-to-plant transmission of pathogen with respect to disease incidence, severity, and yield. The highest yield of 12–14 pods per plant was observed in treatment of Trichoderma asperellum and poultry manure combined. Seed treatments using T. asperellum and soil amendment with poultry manure had a significantly (P = 0.05) lower disease incidence of 8.4–10.5%. This study showed the potential of combining naturally occurring organic products in the ecosystem that compete favourably with synthetic fungicides in the management of anthracnose disease of cowpea.
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