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The type, color and distribution of the yellow spots on this leaf perfectly describe the symptoms of various potato viruses, hence collectively these are known as "aucuba leaf". Different viruses cause the same symptom on the leaves of affected potato plants, which is called "aucuba leaf".
Leaf margins become necrotic, turning brown and purplish and curl inwards towards the center of the leaf. Secondary infection, which starts from infected potato culls, produces more severe symptoms. Leaf rolling is more apparent and the entire leaf can become chlorotic and sometimes also has a purple discoloration. [ 4 ]
Potato yellow dwarf virus: genus Nucleorhabdovirus, Potato yellow dwarf virus (PYDV) Potato yellow mosaic virus: genus Geminiviridae, Potato yellow mosaic virus (PYMV); subgroup III Potato yellow vein virus: Potato yellow vein virus (PYVV) Potato yellowing virus: genus Alfamovirus, Potato yellowing virus (PYV) Potato virus A
The Potato yellow vein virus (PYVV) is a plant pathogen of the Closteroviridae family. It is a whitefly-transmitted closterovirus vectored by Trialeurodes vaporariorum, which is known to cause a yellowing disease in potato crops in South America. [1] PYVV RNA have a conserved 3'-terminal secondary structure, which includes a pseudoknot. [1]
Potato virus Y (PVY) is a plant pathogenic virus of the family Potyviridae, and one of the most important plant viruses affecting potato production. PVY infection of potato plants results in a variety of symptoms depending on the viral strain. The mildest of these symptoms is production loss, but the most detrimental is 'potato tuber necrotic ...
However, Rizzo notes, purple potatoes can be harder to find and a little more expensive than other potato varieties. And, all that said, it's a "huge misconception" that sweet potatoes are vastly ...
The study said, "all white vegetables, including white potatoes, provide nutrients needed in the diet." The senators wrote that since the inception of the U.S. Department of Agriculture, the ...
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