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Potatoes --- Drug therapy --- Viroses --- Potato Y potyvirus --- Technology transfer --- Explants --- Virazole

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plant animal relations --- Viroses --- Potato Y potyvirus --- Potato leaf roll luteovirus --- Aphididae --- Potatoes --- Solanum tuberosum --- control methods --- Mali --- Belgium

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Potato Y potyvirus --- Potato leaf roll luteovirus --- Aphididae --- Viroses --- Potatoes --- Climatic change --- Disease transmission --- Myzus persicae --- Aphis gossypii --- Temperature. --- Temperature

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Potato virus Y (PVY) infects a wide host range mainly within the Solanaceae and is distributed worldwide. PVY is transmitted by more than 40 aphid species in a non persistent manner. Isolates of the PVY species are highly variable at biological, serological and molecular levels. Epidemiological studies have highlighted the emergence of distinct potato PVY variants able to induce necroses on potato tubers. Due to the lack of efficient resistance to PVY isolates inducing necrotic symptoms in cultivated varieties and the plant-to-plant transmission of isolates through the daughter tubers, PVY has become the most economically important virus for the potato industry. The review offers an overview of several decades of research on PVY but also focuses on the latest data obtained by expert on PVY worldwide on the biological characteristics of PVY, interactions between aphids-hosts, its evolution and management. Identified knowledge gaps to understand further PVY biology will be discussed.

Virus diseases. --- Potato virus Y. --- Potato potyvirus Y --- Potato severe mosaic virus --- Potato Y potyvirus --- PVY (Plant virus) --- Viral diseases --- Viral infections --- Virus infections --- Life sciences. --- Virology. --- Agriculture. --- Plant pathology. --- Life Sciences. --- Plant Pathology. --- Communicable diseases --- Medical virology --- Pathogenic viruses --- Potyviruses --- Plant diseases. --- Medical virology. --- Medical microbiology --- Virology --- Virus diseases --- Farming --- Husbandry --- Industrial arts --- Life sciences --- Food supply --- Land use, Rural --- Botany --- Communicable diseases in plants --- Crop diseases --- Crops --- Diseases of plants --- Microbial diseases in plants --- Pathological botany --- Pathology, Vegetable --- Phytopathology --- Plant pathology --- Plants --- Vegetable pathology --- Agricultural pests --- Crop losses --- Diseased plants --- Phytopathogenic microorganisms --- Plant pathologists --- Plant quarantine --- Pathology --- Diseases and pests --- Diseases --- Wounds and injuries --- Microbiology