When the pathogen damages the latex vessels, the latex exudes and the affected bark gets rotten and dries up. Orange or red pustules develop on the part exposed to sun light. Country wide collection of Australia. And A. An integrated method of managing or handling such diseases is advised.
There is some evidence of differences in pathogenicity between strains Luz, b; Sharma et al. Distinctions were found between types and proveness in responses to poisons in the filtrates but the romantic relationship of the reactions to susceptibility to disease in the field was not established.
Related treatment support Akrofi, A. Impact The disease can cause significant losses, ranging from the loss of individual branches to death of the whole tree if the main stem is affected.
Keane, Moist weather and high comparative humidity are beneficial for disease development. The crust is initially smooth, but cracks and becomes paler as it ages. Inoculation experiments both with natural materials and with the fungi grown in real culture have been successful.
On Hevea, the initial stages of infection are seen as drops of latex and a silky-white mycelial growth on the surface of brown bark.