An aphid transmitted virus that causes mottling, leaf drop streak and reduced tuber yield and quality in potato, and mosaic symptoms in tobacco, tomato and pepper. It is considered the most economically damaging virus of potato worldwide, and certified seed potato programs test specifically for it because infected seed tubers carry the virus into the next season's crop.
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Potato, Crops Potato Virus Y is one of the most widespread and yield-limiting viral pathogens of cultivated potato.
Sources
1. Potato Virus Y (Wikipedia)
Wikimedia FoundationOpening definition paragraph
Potato virus Y (PVY) is a plant virus of the family Potyviridae, and one of the most important plant viruses affecting potato production.
lead description
An aphid transmitted virus that causes mottling, leaf drop streak and reduced tuber yield and quality in potato, and mosaic symptoms in tobacco, tomato and pepper.
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