AJPS  Vol.7 No.11 , August 2016
Effects of Garcinia kola and Azadirachta indica Seeds in the Inhibition of Aspergillus flavus and Aspergillus parasiticus Isolated from Zea mays L. Awka, Nigeria
Abstract: Crude extracts of neem and bitter kola seeds were evaluated for inhibition of the growth of aflatoxin-producing fungi (Aspergillus flavus and A. parasiticus) in Zea mays L. Different concentrations of the methanolic and ethanolic extracts of the test plants were tested individually and in combination against A. flavus and A. parasiticus. Inhibition of A. flavus using methanolic extracts of G. kola, neem and combination of (G. kola and neem) seeds revealed that inhibition was highest in G. kola (77.5) at 10% concentration, and lowest in neem (35.1) at 2.5% concentration. Statistical analysis showed a significant difference at 5%. Inhibition of A. flavus using ethanolic extracts of G. kola, neem and combination of G. kola and neem seeds revealed that inhibition was highest in the combination of (80.4) at 10% concentration and lowest in G. kola (31.4) at 2.5% concentration. Using methanolic extracts of G. kola, neem and combination against A. parasiticus showed that inhibition was highest in G. kola and combination of seeds (54.8) at 10% concentration and lowest in neem seeds (30.5) at 5.0% concentration. The percentage inhibition of A. parasiticus using ethanolic extracts of G. kola, neem and combination revealed that inhibition was highest in G. kola (79.5) at 10% concentration and lowest in the combination of G. kola and neem seeds (26.6) at 2.5% concentration. These results will be important in planning a management strategy against A. flavus and A. parasiticus and other fungi associated with spoilage of stored products.
Cite this paper: Achugbu, A. , Amadi, J. , Ilodibia, C. and Ikegbunam, M. (2016) Effects of Garcinia kola and Azadirachta indica Seeds in the Inhibition of Aspergillus flavus and Aspergillus parasiticus Isolated from Zea mays L. Awka, Nigeria. American Journal of Plant Sciences, 7, 1555-1563. doi: 10.4236/ajps.2016.711147.

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