Search results
Results from the WOW.Com Content Network
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.
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.
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
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 ]
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]
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 ...
While these plants are relatively low maintenance, it’s not unusual for peace lily leaves to turn yellow here and there due to stress, pests, or other issues. This guide explains the most common ...
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.