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Questions and Answers
Plant viruses can only be transmitted through contact with an infected plant's sap.
False
Horizontal transmission of plant viruses occurs when they are inherited from a parent plant.
False
Hyperplasia is a common symptom of plant viral diseases and causes the appearance of plant tumors known as galls.
True
Hypoplasia is a symptom of plant viral diseases that leads to the abnormal proliferation of cells.
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Cell necrosis is a process where plant viruses directly kill plant cells.
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Ring spots, circular or linear areas of discoloration found in a leaf, are a symptom of plant viral diseases.
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Peony ring spot and rose mosaic virus are two of the most common viruses that infect agricultural food plants.
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Bean common mosaic virus results in increased bean production and productive plants.
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Plant viruses use receptor-mediated endocytosis to enter host cells like animal viruses.
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Horizontal transmission refers to the passing of viruses from parent plant to offspring.
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Vertical transmission refers to the passing of viruses between plants that are not in a parent-child relationship.
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Symptoms of plant virus infection may include malformed leaves and discoloration of fruits.
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Plant viruses can cause major disruptions to crop growth, impacting the economy.
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Cell walls protect plant cells from viruses, so damage must occur for them to become infected.
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Many plant viruses are transferred from plant to plant through damage caused by weather, insects, or human activities.
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Study Notes
Transmission of Plant Viruses
- Plant viruses can only be transmitted through contact with an infected plant's sap.
- Horizontal transmission occurs when viruses are inherited from a parent plant.
- Vertical transmission occurs between plants that are not in a parent-child relationship.
Symptoms of Plant Viral Diseases
- Hyperplasia: causes the appearance of plant tumors known as galls.
- Hypoplasia: leads to the abnormal proliferation of cells.
- Cell necrosis: plant viruses directly kill plant cells.
- Ring spots: circular or linear areas of discoloration found in a leaf.
- Malformed leaves and discoloration of fruits are also symptoms.
Specific Plant Viruses
- Peony ring spot and rose mosaic virus are two common viruses that infect agricultural food plants.
- Bean common mosaic virus results in increased bean production and productive plants.
Plant Virus Infection and the Economy
- Plant viruses can cause major disruptions to crop growth, impacting the economy.
Plant Cell Defense
- Cell walls protect plant cells from viruses, so damage must occur for them to become infected.
Transmission Methods
- Many plant viruses are transferred from plant to plant through damage caused by weather, insects, or human activities.
- Plant viruses use receptor-mediated endocytosis to enter host cells, similar to animal viruses.
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Description
Test your knowledge of plant virus transmission and symptoms with this quiz. Learn about how viruses infect plants and the symptoms they cause.
