Alternaria fruit spot: Interior fruit rot

Pathogen: Alternaria alternate

Symptoms

Interior of fruit rotting with no external symptoms; infected fruits are usually lighter in weight than healthy fruits and may be paler in color.

Disease development

At the beginning of disease development, the fungus causes brown soft rot of the arils, which becomes black and dry as the fungus grows. Eventually, the fungus grows from the lower loculus into the upper loculi, causing rot of the entire fruit.

Control

All the affected fruits should be collected and destroyed.Spraying Mancozeb (0.25%) or Dithane M- 45 (0.25%) or Captaf (0.25%) effectively controls the disease.

#Fungal