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About Euphorbiaceae

Pests and Diseases - Corking

Corking means a change in the outer layer of skin (epidermis) of the plant. Most commonly this is a brown colour accompanied by a thickening of the tissues. The cause can be strong sunshine on previously shaded plants, but corking is also a natural phenomenon in habitat with aging plants. Although we may think corking is unattractive, it is a plant’s natural reaction and needs no treatment.

Normal corking with the age
Euphorbia excelsa
Euphorbia mammillaris
Euphorbia polyacantha

Mealy Bugs
Mildew and other fungal Diseases
Red Spider Mites
Root Mealy Bugs
Root Rot
Sciara Fly or Fungus Gnats
Tip Die-Back
Tobacco mosaic Virus
White Fly