Rusty brown spots on leaves

Is this a bacterial issue? There are “egg-like” spots that can be scraped off.

This is likely a fungal infection resembling rust disease. The “egg-like” structures on the leaves are actually clusters of rust spores or fungal lesions, not actual insect eggs. Rust is a fungal disease that typically manifests as small yellow, orange, or brown spots on the leaves. As the infection progresses, these spots may enlarge and form spore masses on the leaf surface. These spore clusters, which resemble “eggs,” can be scraped off but represent the reproductive structures of the fungus rather than insect activity.

Treatment Methods

For small-scale planting (e.g. home gardens):

1. Prune infected leaves:

  • Remove heavily infected leaves, particularly those with spore clusters on the undersides. This helps prevent the spread of the fungus to healthy leaves.
  • Use clean pruning tools, and disinfect them after each use to avoid spreading the infection.

2. Spray organic solutions:

  • Apply Mr Ganick Organic Plant Acid RTU evenly on the leaf surfaces and at the base of the plant (stem base). Spray twice a week and monitor the plant’s recovery.

3. Fertilize to enhance resistance:

  • Use Mr Ganick 532 Organic Leafy Fertilizer (containing nitrogen, phosphorus, and potassium). Apply a handful of fertilizer around the plant’s root zone weekly. This boosts the plant’s overall immunity and helps it recover.

For large-scale planting (e.g. farms or greenhouses):

1. Spray with Mr Ganick BST:

  • For extensive infections, use Mr Ganick BST. Spray it thoroughly on all leaf surfaces and the stem base. Mr Ganick BST is a broad-spectrum fungicide specifically effective against rust fungi.
  • Use a fine mist sprayer to ensure the solution covers all parts of the leaves, particularly the undersides where spore clusters are most abundant.

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