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Potato spindle tuber: Potato spindle tuber viroid (PSTVd) 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
Different viruses cause the same symptom on the leaves of affected potato plants, which is called "aucuba leaf". This symptom consists in the presence of bright yellow spots of different sizes, which may appear with yellowing around the nerves. In some cases the leaflets turn completely yellow.
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]
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. Surface rot Fusarium oxysporum ...
There's a whole rainbow's worth of potatoes to enjoy.And whether you prefer red, yellow or even purple potatoes, you'll get a good amount of energizing carbohydrates, gut-healthy fiber and ...
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Potato cultivars can have a range of colours due to the accumulation of anthocyanins in the tubers. These potatoes also have coloured skin, but many varieties with pink or red skin have white or yellow flesh, as do the vast majority of cultivated potatoes. The yellow colour, more or less marked, is due to the presence of carotenoids. Varieties ...
Scientists have pinpointed the purple sweet potato as a natural alternative for synthetic food dye. While you might be more familiar with the orange-fleshed variety, the purple-hued cousin could ...