Diseases related to Mango

Mango is one of the most popular tropical fruits in the world and is often known as the "apple of the tropics". Mango fruits are usually eaten ripe, when they are soft and sweet. But some people prefer them unripe, when they are harder with a more sour taste. Following is a brief about the diseases of Mango plant

Powdery Mildew
The disease is caused by Oidium mangiferae Berthet. The disease affects inflorescence, leaves and young fruits. The characteristic symptom of the disease is the white superficial powdery growth of the fungus comprising a large number of conidia borne on conidiophores.

Control:

 A chemical control trial was laid out against powdery mildew caused by Oidium mangiferae on two mango varieties, namely, Alphonso and Raspuri. Ten different fungicides were sprayed 4 times at 10-day intervals with first spray given just at the time of disease appearance. The data on PDI and per cent leaves infected per bunch revealed that all the fungicides were significantly superior over control but within the treatments, baycor (0.1 per cent), bayleton (0.1 per cent) and calixin (0.1 per cent) were the most effective. The PDI in these treatments on Alphonso were 14, 15 and 19.30, respectively, as against 94 in control. While only 22 to 23 per cent leaves showed infection in these treatments, percentage of infected leaves in control was 100 per cent. Similar trends were obtained for the fungicides sprayed on Raspuri cultivars of mango.

 


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