How to Deal with Black Rot in Echeveria 'Perle von Nurnberg' Succulents to Save Them

Causes of Black Rot in Echeveria 'Perle von Nurnberg'

Improper Watering

Black rot is one of the most common diseases in succulents, usually caused by fungal infection due to overwatering or an overly humid surrounding environment.

Non-breathable Soil

Another cause is non-breathable soil; every time you water, water accumulates at the stem or even the roots.

Pests and Diseases

Black rot caused by pests and diseases. Some pests parasitize leaves and stems, and the wounds created when they suck plant sap can also lead to fungal infection.

Treatment Methods for Black Rot in Echeveria 'Perle von Nurnberg'

Depending on the cause, black rot is treated according to the situation.

Stem Rot:

Remove the rotted part as soon as possible, and re-propagate the remaining part by stem cutting. Remember that the cut must be completely dry before planting in soil. If the rot is fairly severe, just throw it away.

Fungal Rot:

Fungal infection must be handled carefully. Use a sterilized knife to cut off the rotted part, and cover it with a thin layer of sulfur. Spray the plant with a mixed solution of benomyl (a fungicide) and mancozeb.

Note: When treating a plant with black rot, keep your tools clean and sterile, and wash your hands carefully before touching other plants.