Root rot is an abiotic disorder caused by prolonged exposure to overwatered conditions usually due to over-watering or a poor drainage system. Some roots can eventually start to decay or rot away spreading the rot to other roots even after the conditions are back to normal. Symptoms include wilting and discoloring of leaves, stunted growth, and cankers. However, the symptoms are often not apparent until the disease is advanced.
Signs of damage:
Plants' roots are not typically visible as they are below the surface of the soil, so the symptoms of root rot are often apparent only when the disease is advanced. Roots of plants affected by root rot may turn from firm and white to black/brown and soft. Affected roots may also fall off the plant when touched. The leaves of affected plants may also wilt, become small or discolored.Affected plants may also look stunted due to poor growth, develop cankers or ooze sap. Prolonged root rot may lead to death of the plant. In extreme cases, plants affected by root rot may die within 10 days. Root rot is usually lethal although it is treatable. An affected plant will not normally survive, but may potentially be propagated.
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