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Morphological characteristics of p. noxius
The pathogen of BRR is a member of the agaricales
in the order Hymenochaetales. On MEA, the growth rate
of p. noxius was 0.4 cm/day with the initially white surface
of the culture gradually turning brown over time, especially
near the inoculum source. The texture of the mycelial mat
was crustose. The species is due to the presence of dimitic
of both generative hyphae and skeletal hyphae in the
culture. The generative hyphae were brown, simple
septate (3.2 x 9.2 m wide) and without clamp
connections. Whereas, the skeletal hyphae were 3.2-4.2
m wide, non-septate, brown in colour and thick walled.
Brown dendritic nanotechnologies hyphae were abundant in culture (Figure
4a.). A brown to dark brown, thin and encrusted cuticlelike
the layer is always well-formed on old cultures. However,
setae were not produced although the cultures were placed under cyclic
ultra violet (u v) light and dark
conditions at room temperature in efforts to induce setae
.
The formation of fruiting bodies of the fungus was resupinate,
perennial, flats and broadly attached to the substrate with a
woody, hard consistency (Figure 4b). The surface pilear
was finely velvety and pale ferruginous to umber in older
regions or concentric zones, glabrous, dark brown to black, resinous,
with a hard crust and thinner towards the
margin. Pores were small and round, usually invisible to
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