Marigold Wilt Not Responding to Dimethoate: Bacterial Wilt or Other Fungus—Try Neem, Then Replace

Marigold wilting despite insecticide

Likely Cause

Bacterial wilt (incurable) or other fungal disease. Dimethoate only kills mites/insects.

Spray Neem oil (available in India) — kills fungus, mites, insects. If no improvement in a week, discard and replant different species.

Plant Diseases: Troubleshooting Tomato Leaf Discoloration and Stunting: Nutrients, Nematodes, and Viruses; Replanting Dogwood After Fungal Loss: Site Preparation and Tree Selection; Marigold Leaf Damage: Identifying the "Silvery Scales" Pest; Spider Mites on Indoor Rose: Systemic Treatment for Long-Term Control; Robellini Palm Browning: Root/Crown Rot from Excess Water; Fungal Disease on Gardenias: Copper-Based Organic Treatment; Brown Bumps Under Orchid Leaves: Scale Insect Identification and Eradication; Deciduous Dendrobium Leaf Drop and Scale Insect Treatment; Identifying and Treating Spider Mites on Kentia or Majesty Palm; Hibiscus Pest Crisis Indoors: Aphids/Thrips + Sooty Mold? Shower & Soap Treatment

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