What causes potato mosaic?
What causes potato mosaic?
Potato (Solanum tuberosum)-Potato Rugose Mosaic Shepody’ with PVY and PVX. Photo by Phil Hamm. Cause An aphid-transmitted virus, Potato virus Y, when combined with Potato virus X. Symptoms Little mottling is present, but leaves are decidedly wrinkled and curled.
What does potato virus do?
Potato virus Y (PVY) is an aphid-borne virus that causes yield losses and tuber quality defects in commercial potato crops. In seed crops PVY infection increases the risk of the seed lot being downgraded or rejected from certification. PVY infects other solanaceous crops including tomato and capsicum.
How do I get rid of mosaic virus?
How to Control Mosaic Viruses
- Remove all infected plants and destroy them. Do NOT put them in the compost pile, as the virus may persist in infected plant matter.
- Monitor the rest of your plants closely, especially those that were located near infected plants.
- Disinfect gardening tools after every use.
Does tobacco mosaic virus affect potatoes?
Although Tobacco mosaic virus (TMV) is distributed worldwide in many crops, it is not common and does not cause an eco- nomic problem in potato (3,23,37). TMV is known to infect potato by artificial inocu- lation and to induce symptoms (13,16,17).
Can a mosaic virus affect a potato cultivar?
Severity of symptom expression depends on weather conditions, the potato cultivar, and the strain of Potato virus A. Rugose symptoms are especially evident when Potato virus A and Potato virus Y are present together. Potato virus Y can have the most severe impact of the mosaic viruses, depending on the virus strain and potato cultivar.
What are the symptoms of potato virus Y?
PVY symptoms include yellow, light green and dark green “mosaic” patterns on leaves, leaf drop, brown or black (necrotic) line patterns often on veins or shoots, necrotic lesions on leaves and stems, rugosity (wrinkling), yellow flecking, stunted growth, death of growing points, tuber cracking and tuber necrosis.
What are the different types of mosaic virus?
The three types of recognized mosaic virus in potatoes are Latent (Potato virus X), Mild (Potato virus A), Rugose or Common mosaic (Potato virus Y).
Are there any viruses in New York potatoes?
Listed below are several common viral diseases of potatoes in New York, a description of the viruses and vectors, as well as management options. POTATO VIRUS Y Virus description and symptoms Potato virus Y(PVY) is one of the most prevalent and important viruses in potatoes.
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