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Tobacco Mosaic Virus (TMV)
A widespread plant infection that affects various plant species, causing leaves to discolor in a mosaic pattern.
Symptoms of Tobacco Mosaic Virus
Discoloration of leaves in a mosaic pattern, reduced rate of photosynthesis, and reduced growth of the plant.
Rose Black Spot
A fungal disease that causes leaves to develop purple or black spots, which may lead to yellowing and leaf fall.
Symptoms of Rose Black Spot
Development of purple or black spots on leaves, followed by yellowing and leaf drop.
Spread of Rose Black Spot
The disease can be spread by water or wind.
Fungicides
Chemicals used to kill fungi, often used to treat Rose Black Spot.
Treatment for Rose Black Spot
Spraying plants with fungicides and removing infected leaves to destroy them.