The one of the serious diseases of mango is Die back. The disease on the tree can be noticed at any time of the year but it is most conspicuous during October-November. The disease is characterized by drying of twigs and branches followed by complete defoliation, which gives the mango tree an appearance of scorching by fire. Initially, it is evident outward along the veins of plant leaves. The affected leaf turns brown color and its margins roll upwards. This can be accompanied by the exudation of yellowish-brown gum.
It can be controlled by the pruning of the diseased twigs 2 to 3 inches below the affected portion and spraying Copper Oxychloride (0.3%). On infected trees control the disease. The cut ends of the pruned twigs are pasted with Copper Oxychloride about 0.3%.
