Viral Diseases

, Most Common: Mosaic Virus, Ringspot

Viruses are the most elusive "diseases" because there is no chemical cure. They appear as strange, beautiful-but-deadly patterns: yellow "mosaic" mottling, jagged line patterns, or concentric rings on leaves. Unlike fungi, viruses are systemic—once a plant has it, the virus is in every cell. They harm the plant by hijacking its DNA to replicate, which stunts growth, deforms flowers, and eventually kills the host.

Variants

Variants: Vector-Borne vs. Mechanical Transmission

  • Vector-Borne: These are brought in by "variants in care" from your pest list (Thrips, Aphids, and Whiteflies). The bug bites an infected plant and "injects" the virus into your healthy one.
  • Mechanical Transmission: These are spread by you. If you prune an infected plant and then use the same scissors on a healthy one, you may have moved the virus.

Rehabilitation Instructions

There are no sprays or drenches for plant viruses. Once a plant is confirmed to have a virus, it cannot be saved.

  • Immediate Culling: To protect your other plants, the infected plant must be bagged and thrown in the trash (do not compost).
  • Pest Management: Since pests are the primary "migrator" variant for viruses, treating for Aphids and Thrips is the best way to prevent viral outbreaks.
  • Tool Sterilization: Always wipe your tools with 70% alcohol or bleach between plants to stop mechanical transmission.

Care Products