Biology / Bio 1927 · Atom · ~20 seconds
Plant Virus Transmission
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To enter a new host plant, a plant virus needs mechanical damage, such as an insect bite, lacking an active entry mechanism.
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Aphids feeding on sap can carry a virus from an infected plant to a healthy one, a common transmission route.
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A plant virus can also pass vertically from parent to offspring — infection is not always from an outside vector.