planting with a spore suspension of 6.2×106 spores/ml of the fungal isolate 12 FCN . Inoculation was carried out using the stem puncture technique Muimba (1982),
at the inter nodal regions , followed by foliar spray of fungal suspension,
using a hand sprayer until run off.
In each spore suspension, a drop of Tween-80,
a surface-wetting agent was added .
Necrotic lesion diameters of inoculated stem parts ,
defoliation,