(39) GCSE Biology Revision "Infectious Diseases in Plants"

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7 Terms

1
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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.

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Symptoms of Tobacco Mosaic Virus

Discoloration of leaves in a mosaic pattern, reduced rate of photosynthesis, and reduced growth of the plant.

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Rose Black Spot

A fungal disease that causes leaves to develop purple or black spots, which may lead to yellowing and leaf fall.

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Symptoms of Rose Black Spot

Development of purple or black spots on leaves, followed by yellowing and leaf drop.

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Spread of Rose Black Spot

The disease can be spread by water or wind.

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Fungicides

Chemicals used to kill fungi, often used to treat Rose Black Spot.

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Treatment for Rose Black Spot

Spraying plants with fungicides and removing infected leaves to destroy them.