Rhizoctonia canker occurs when the stolons contact soil borne fungal bodies.
Pathogen infects plant tissue and causes stolon blinding thus reducing tuber production and yield.
It also causes infects tubers causing black scurf but this is purely cosmetic, reduces tuber appearance and does not reduce yield.
Bordogold 5 gm per liter water. Besides Ajinkya’s Fusion 5 ml + 0.3 ml Pacifier per liter water.
This disease damages leaves, stems and tubers. Affected leaves appear blistered as if scalded by hot water and finally rot and dry out.
When drying out, leaves turn brown or black in color. When infections are still active, spots appear on the underside of leaves.
Affected stems from their tips and finally dry out.
Severe infections cause all foliage to rot, dry out and fall to the ground, stems to dry out and plants to die.
Affected tubers display dry brown-colored spots and flesh. This disease acts very quickly If it is not controlled, infected plants will die within two or three days.
Bordogold 5 gm per liter water.