Figures (6)  Tables (2)
    • Figure 1.  Ocimum kilimandscharium plants.

    • Figure 2.  Microscopic view of Aspergillus flavus from maize grains (×40 magnification).

    • Figure 3.  Pathogenicity test of Aspergillus flavus on maize grains.

    • Figure 4.  Amended PDA plates with varied concentration of Ocimum kilimandscharicum oil showing Aspergillus flavus colony.

    • Figure 5.  Interaction effects of concentration of Ocimum kilimandscharicum oil and days of incubation on colony diameter.

    • Figure 6.  Interactive effects of concentration of Ocimum kilimandscharicum oil and days of incubation on size of zones of inhibition.

    • Mean Colony diameter (mm)
      Concentration (μl/ml)
      Plain PDA (control) 1.36±0.05a
      3.33 1.17±0.30b
      6.67 0.79±0.001c
      13.33 0.79±0.001c
      20 0.79±0.001c
      26.67 0.79±0.001c
      Days
      Day 1 0.79±0.001d
      Day 3 0.85±0.20c
      Day 5 0.91±0.50b
      Day 7 0.93±0.60a
      P-values
      Concentration 0.0001
      Day 0.0001
      Concentration*Day 0.0001
      Values expressed a r e means ± SEM for four replicates. Means within respect columns accompanied by similar lower-case letters do not differ significantly at P < 0.0001

      Table 1.  Mean colony diameter (in millimetres) of A. flavus on PDA amended with different concentration of O. kilimandscharicum oil

    • Size of zone of inhibition
      Concentration (μl/ml)
      Plain PDA (control) 5.00±0.00f
      50 5.06±0.01e
      100 5.58±0.09d
      200 5.76±0.12c
      300 5.98±0.16b
      400 6.34±0.22a
      Days
      Day 1 5.00±0.00c
      Day 3 5.74±0.09b
      Day 5 6.11±0.15a
      Day 7 6.14±0.16a
      P-values
      Concentration 0.0001
      Day 0.0001
      Concentration*Day 0.0001
      Values expressed are means ± SEM for four replicates. Means within respect columns accompanied by similar lower-case letters do not differ significantly at P <0.0001 by Tukey's HSD test.

      Table 2.  Mean zone of inhibition (mm) of Aspergillus flavus culture grown on filter paper discs impregnated with Ocimum kilimandscharicum oil