Why does your Chrysanthemum Pico Magistral have fine webbing? Diagnose the cause and fix it with our step-by-step guide.
This is the most common cause of fine webbing on Chrysanthemums. These arachnids thrive in hot, dry conditions and create silk webs to protect themselves and their eggs while feeding on the plant's sap.
While they produce less visible webbing than true spider mites, these pests can cause stippling and fine silk strands on Chrysanthemum foliage in greenhouse environments.
In some cases, extremely high humidity combined with poor airflow can create a fine, white, web-like appearance of fungal hyphae or Botrytis cinerea (Gray Mold) precursors.