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Urediniospores of 11 Milesina species. a Milesina blechni on Struthiopteris spicant b Milesina blechni on Struthiopteris spicant, cracked spore with released plasma, germ pores scattered c Milesina carpatica on Dryopteris filix-mas d Milesina exigua on Polystichum braunii, smooth surface e Milesina exigua on Polystichum braunii, smooth surface, plasma-free spore, germ pores bipolar f Milesina ...
Rhodotorula mucilaginosa cells, Methylene blue stain, magnification 400x. Rhodotorula is a genus of fungi in the class Microbotryomycetes.Most species are known in their yeast states which produce orange to red colonies when grown on Sabouraud's dextrose agar (SDA).
The pathogen is a Puccinia rust fungus. It is the most prevalent of all the wheat rust diseases, occurring in most wheat-growing regions. [1] It causes serious epidemics in North America, Mexico and South America and is a devastating seasonal disease in India. P. triticina is heteroecious, requiring two distinct hosts (alternate hosts). [1] [2]
Collybia phyllophila, commonly known as the frosty funnel or the leaf-loving clitocybe, is a fungus in the family Tricholomataceae. [2] Its epithet, meaning leaf-loving comes from its preference for leaf litter. [3] It is common among forests in the Northern Hemisphere, and is poisonous.
The fungal ancestors of stem rust have infected grasses for millions of years and wheat crops for as long as they have been grown. [7] According to Jim Peterson, professor of wheat breeding and genetics at Oregon State University, "Stem rust destroyed more than 20% of U.S. wheat crops several times between 1917 and 1935, and losses reached 9% twice in the 1950s," with the last U.S. outbreak in ...
Within the United States, approximately 13,000 species of microfungi on plants or plant products are thought to exist. Specimens of microfungi are housed in the U.S. National Fungus Collections and other institutions like herbaria and culture collections that serve as reservoirs of information and documentation about the nation's natural heritage.
Lettuce Diseases. a. Drop, h. Septoria leaf spot, c. same as b. but older spots, d. pycnida, e. pycniospores. Pycniospores are a type of spore found in certain species of rust fungi.
Battarrea phalloides [nb 1] is an inedible species of mushroom in the family Agaricaceae, [3] and the type species of the genus Battarrea.Known in the vernacular as the scaley-stalked puffball, sandy stiltball, or desert stalked puffball, it has a woody, slender, and shaggy or scaly stem that is typically up to 40 centimeters (15.7 in) in length.