Search results
Results from the WOW.Com Content Network
Symptoms become evident immediately after infection, and consist of a bright yellowing of the tertiary leaf veins. As the disease progresses, the secondary veins and leaf lamina turn yellow, sometimes without affecting the primary veins, which remain green. Affected plants have not been reported to show other symptoms such as dwarfing or weakness.
Phoma leaf spot: Ph. andigena var. andina. Powdery mildew: Erysiphe cichoracearum. Rhizoctonia canker and black scurf: Rhizoctonia solani. Rosellinia black rot: Rosellinia sp. [which?] Dematophora sp. [anamorph] Septoria leaf spot: S. lycopersici var. malagutii. Silver scurf: Helminthosporium solani. Skin spot: Polyscytalum pustulans. Stem rot ...
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 ]
Fusarium dry rot is one of the most common potato diseases. It is caused by fungi in the genus Fusarium.This fungi causes a variety of colored rots in potatoes. This pathogen, while having both a sexual and asexual form, stays in an asexual cycle due to the way it spreads.
Root rot is a condition in which anoxic conditions in the soil or potting media around the roots of a plant cause them to rot. This occurs due to excessive standing water around the roots. [ 1 ] It is found in both indoor and outdoor plants, although it is more common in indoor plants due to overwatering, heavy potting media, or containers with ...
Purple potatoes So they provide a lot of the same benefits as sweet potatoes, plus one unique nutrient: They're known for containing large amounts of anthocyanins, a type of plant pigment that may ...
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 ...
The main symptoms of Ditylenchus destructor, common to potatoes and its other hosts, are the rotting and discoloration of subterranean plant tissue. In potatoes, early infection can be detected by small white spots underneath the potato's skin. As the disease progresses, these spots become larger and darker with a spongy or hollow appearance. [7]