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When on the feet, corns can be so painful as to interfere with walking. The visible portion of the corn tends to be more or less round, but corns are defined by having a hard tapering root that is directed inward, and pressure on the corn pushes this root deeper into the flesh (thus the Latin term clavus meaning "nail").
A case of fungal infection of the big toe Advanced fungal infection of the big toe. The most common symptom of a fungal nail infection is the nail becoming thickened and discoloured: white, black, yellow or green. As the infection progresses the nail can become brittle, with pieces breaking off or coming away from the toe or finger completely.
TFOHS is a long-term fungal condition where athlete's foot or fungal toe nail infections in both feet is associated with tinea manuum in one hand. [3] [7] It typically presents with a diffuse scaling rash on the palm of one hand, which is preceded, sometimes by several years, by fungal infection in both feet. [3] Palmar creases appear prominent ...
This ear of corn has been infected with Mycosarcoma maydis. The fungus infects all parts of the host plant by invading the ovaries of its host. The infection causes the corn kernels to swell up into tumor-like galls, wherein the tissues, texture, and developmental pattern are mushroom-like. The galls grow to 4 to 5 inches in diameter.
Onychodystrophy is a deformation of the nails that can result from cancer chemotherapy which includes bleomycin, hydroxyurea, or 5-fluorouracil. It can include discoloration of the nail, or dyschromia. Onychogryposis, also called "ram's-horn nail", is a thickening and increase in curvature of the nail. It is usually the result of injury to the ...
Rust, common corn Puccinia sorghi: Rust, southern corn Puccinia polysora: Rust, tropical corn Physopella pallescens. Physopella zeae = Angiopsora zeae. Sclerotium ear rot Southern blight Athelia rolfsii: Seed rot-seedling blight Athelia rolfsii. Bipolaris sorokiniana Bipolaris zeicola = Helminthosporium carbonum Diplodia maydis Exserohilum ...
Over time, these blister-like bumps can change from brown to black, changing from urediniospores to teliospores. [6] The most common place to find these spores is on the plant leaf, but they can develop on husks, tassels, and stalks as well. P. sorghi has two hosts making it a heteroecious rust. Maize and Oxalis are the two hosts for P. sorghi.
Corn grey leaf spot can be an extremely devastating disease as potential yield losses range from 5 to 40 US bushels per acre (440 to 3,480 L/ha). At higher disease levels, even greater losses can result. When a corn plant's ability to store and produce carbohydrates (glucose) in the grain is diminished, yield losses take place.