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Thryallis

Thryallis with Leaf Spots: Causes and Solutions

Galphimia gracilis

Is your Thryallis showing leaf spots? Discover 2 possible causes and how to treat them.

🔍 Possible Causes (2)

Powdery Mildew
Medium 🍄

Powdery Mildew

Powdery mildew is a common fungal disease caused by various fungi species including Erysiphe, Podosphaera, Oïdium, and Leveillula. It affects over 10,000 plant species worldwide. The disease thrives in warm, dry climates with high humidity and appears as a distinctive white powdery coating on plant surfaces.

✓ Related symptoms:

  • White to gray powdery spots on leaves, stems, and buds

⚡ Quick Fixes:

Remove heavily infected areas

View solution →
Leaf Spot
Medium 🍄

Leaf Spot

Leaf spot is a common fungal disease caused by various pathogens including Alternaria, Ascochyta, Colletotrichum, Septoria, and Venturia. It primarily affects leaves, causing discolored spots that can lead to premature leaf drop if left untreated.

✓ Related symptoms:

  • Circular brown, gray, black, or yellow spots on leaves
  • Spots with concentric rings or dark margins
  • Yellow halo surrounding spots

⚡ Quick Fixes:

Remove all visibly infected leaves

View solution →

Other common symptoms

See more: Thryallis →