it is a spore Macrophomina pathogen cause dry root rot disease in groundnut. symptom of dry root rot disease infected plant spores of Macrophomina pathogen

Sample was collected from APAC, Kalavai.symptom: dusty-white to gray coating and talcum powder-like growth seen in infecting plant's leaves. It begins as circular, powdery-white spots that turn yellow-brown and finally black. Powdery Mildew conidia are observed through foldscope