Fusarium spp.
upwards. At the same time, the plant produces gum as a defence mechanism to stop the fungus from spreading. This gum blocks the xylem and causes the wilting [...] inside the vascular system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant [...] discolouration of the xylem vessels, which can be seen when the stems are cut. In banana, whole plantations may die, and the soil may not be suitable for planting