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Red thread disease is a fungal infection found on lawns and other turfed areas. It is caused by the corticioid fungus Laetisaria fuciformis and has two separate stages. The stage that gives the infection its name is characterised by very thin, red, needle-like strands extending from the grass blade.
Rust fungi grow intracellularly, and make spore-producing fruiting bodies within or, more often, on the surfaces of affected plant parts. [3] Some rust species form perennial systemic infections that may cause plant deformities such as growth retardation, witch's broom, stem canker, galls, or hypertrophy of affected plant parts.
Ferroxyl indicator, or rust indicator, is a solution containing potassium hexacyanoferrate(III), phenolphthalein and sodium chloride. It turns blue in the presence of Fe 2+ ions, and pink in the presence of hydroxide (OH-) ions. It can be used to detect metal oxidation, and is often used to detect rusting in various situations.
It’s annoying to discover unsightly holes, mounds, or tunnels in your lawn or garden beds. But figuring out what’s excavating without your permission isn’t straightforward. “There’s some ...
Puccinia is a genus of fungi.All species in this genus are obligate plant pathogens and are known as rusts. [1] The genus contains about 4000 species. [2]The genus name of Puccinia is in honour of Tommaso Puccini (died 1735), who was an Italian doctor and botanist who taught anatomy at Hospital of Santa Maria Nuova in Florence.
P. sorghi has two hosts making it a heteroecious rust. Maize and Oxalis are the two hosts for P. sorghi. In comparison, the other common type of maize rust is southern corn rust (Puccinia polysora) and it has a higher variety of hosts including maize, silver plumegrass, eastern gamagrass, Tripsacum lanceolatum, T. laxum, and T. pilorum. [6]
Puccinia poarum, a species of fungus, known as the coltsfoot gall rust, [3] or meadow grass rust, is a plant pathogen. This fungal parasite forms a yellow to orange gall, 1–2 cm in diameter, on the underside of leaves of coltsfoot (Tussilago farfara). [4] It also infects but does not gall grasses of the family Poaceae. [5]
If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1262 ahead. Let's start with a few hints.
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