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Fusarium dry rot of potato is a devastating post-harvest losses (vegetables) disease affecting both seed potatoes and potatoes for human consumption. [3] Dry rot causes the skin of the tuber to wrinkle. The rotted areas of the potato may be brown, grey, or black and the rot creates depressions in the surface of the tuber.
Potato yellow vein virus: Potato yellow vein virus (PYVV) Potato yellowing virus: genus Alfamovirus, Potato yellowing virus (PYV) Potato virus A: genus Potyvirus, Potato virus A (PVA) Potato virus M: genus Carlavirus, Potato virus M (PVM) Potato virus S: genus Carlavirus, Potato virus S (PVS) Potato virus H: genus Carlavirus, Potato virus H ...
Specifically, soft rot of potatoes can cause a huge decrease in yield, and is the most serious bacterial disease that potatoes are exposed to. For a grower of potatoes, there is a possibility that 100% of a whole season's yield could be destroyed due to insufficient conditions in a storage facility.
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 ]
Appearance of a potato plant affected by a virus. Viral diseases of potato are a group of diseases caused by different types of Viruses that affect potato crops worldwide and, although they do not affect human or animal health since they are viruses that only infect vegetables, they are a source of great economic losses annually. About 28 ...
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People can observe P. infestans produce dark green, then brown then black spots on the surface of potato leaves and stems, often near the tips or edges, where water or dew collects. [9] The sporangia and sporangiophores appear white on the lower surface of the foliage. As for tuber blight, the white mycelium often shows on the tubers' surface. [10]
Rust, red Coleosporium ipomoeae: Rust, white Albugo ipomoeae-panduratae: Scab, leaf and stem Sphaceloma batatas. Elsinoe batatas [teleomorph] Southern blight. Sclerotial blight Sclerotium rolfsii: Scurf Monilochaetes infuscans: Septoria leaf spot Septoria bataticola: Storage rot Epicoccum spp. Fusarium solani Mucor racemosus Sclerotinia spp ...