Charcoal rot is a disease of which one of the following crops?

Correct option is A

• Charcoal rot is a fungal disease caused by Macrophomina phaseolina.
• It produces black, charcoal-like microsclerotia in affected tissues, giving the characteristic “charcoal” appearance.
• The disease causes root and stem rot, plant wilting, and yield reduction.
• It is commonly observed under dry, hot conditions where the pathogen thrives.