Gummosis

It is a primarily a disease of the vascular system. It got its name from slimy gum that oozes from cut ends of infected stalks. Yellowish streaks, usually dotted with red or brownish spots are produced on the leaves near the tips. These spots often widen to a V-shape towards the leaf tip. Top rotting may result when the terminal bud is attacked resulting to shooting of the lateral buds. The disease is transmitted in infected cuttings used for seed, knife cuts and other means of physical contacts.