What’s wrong with my sweet potatoes?
Please help I hope the picture is clear enough!
Best Answer
Using a Google image search for 'sweet potato disease', it looks like Streptomyces ipomoea:
Host range and distribution:
Sweet potatoes; Ipomoea batatas; found in all major sweet potato production regions in the U.S. and Japan.
Streptomyces soil rot or pox is a widespread disease of sweet potato in North Carolina that results in a reduction in plant growth and severe yield losses. It is caused by the soilborne filamentous bacterium, Steptomyces ipomoea, and is able to persist in soil for many years in the absence of sweet potatoes. Fibrous roots and storage roots are infected in the field and symptom development varies based on the timing of root infection [...]. Disease is favored by dry soils with pH above 5.2.
If you are cultivating your own, this is what that article recommends under 'Management':
Disease development is favored at high pH. Have field soil tested regularly and select fields with pH 5.2 or lower. Develop long-range crop rotation (3-4 years) in infested fields. Treat soil with a broad spectrum soil fumigant containing chloropicrin 2-4 weeks prior to planting.
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What causes deformed sweet potatoes?
Heat Stress. If you have a very long, hot, dry spell while your potatoes are forming under the ground you can expect more funny shaped potatoes. Long stretches of temperatures over 90 degrees Fahrenheit will cause stress on your potato plants, that stress will cause funny shaped potatoes.What is the problem with sweet potatoes?
Sweet potatoes contain high amounts of oxalates that may increase the risk of calcium-oxalate kidney stones. Sweet potatoes contain beta-carotene, and their excessive consumption can lead to hypervitaminosis A (vitamin A toxicity), in which excess vitamin A accumulates in the liver.Why does my sweet potato looks spongy inside?
Hot temperature causes tiny holes inside the sweet potatoes to form. Some people call such potatoes spongy, but the proper term to use is pithy. While pithy sweet potatoes are safe to eat, their quality, and therefore taste, is inferior. The sweet spot for storing sweet potatoes is a few degrees below room temperature.What can you do with damaged sweet potatoes?
A potato that has been damaged by cuts and bruises will leak a milky juice over the injury. Some people believe this juice seals the injury. It doesn't. Minor scrapes will heal during the drying process, but the best practice when harvesting sweet potatoes is to set deeply cut roots aside to be eaten first.Minecraft wait what meme part 253 (Scary Enderman - Nightmarionne)
Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
Images: Jill Wellington, Leah Kelley, Jill Wellington, Monstera