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  2. Red thread disease - Wikipedia

    en.wikipedia.org/wiki/Red_thread_disease

    Over 77 °F (25 °C), the growth rate of the fungus decreases significantly, and it ceases at 85 °F (29 °C). 8 Turf grass that is poor in nutrition and are slow growing are areas that are more susceptible to red thread disease. 2 The fungus grows from the thread like red webbing structures called sclerotia. 1 The sclerotia can survive in leaf ...

  3. Puccinia schedonnardii - Wikipedia

    en.wikipedia.org/wiki/Puccinia_schedonnardii

    Rust lesions can cause leaves or stems to become weak and break or fall off, resulting in decreased photosynthetic ability and extreme difficulty during harvest. Symptoms on the alternate host grasses are small ovular red/brown (rust colored) powdery lesions, which release uredospores .

  4. Rust (fungus) - Wikipedia

    en.wikipedia.org/wiki/Rust_(fungus)

    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.

  5. Puccinia thaliae - Wikipedia

    en.wikipedia.org/wiki/Puccinia_thaliae

    Puccinia thaliae is the causal agent of canna rust, a fungal disease of Canna. Symptoms include yellow to tan spots on the plant's leaves and stems. Initial disease symptoms will result in scattered sori (clustered sporangia), eventually covering the entirety of the leaf with coalescing postulates.

  6. Puccinia sorghi - Wikipedia

    en.wikipedia.org/wiki/Puccinia_sorghi

    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]

  7. Barley stripe rust - Wikipedia

    en.wikipedia.org/wiki/Barley_stripe_rust

    Barley stripe rust is a fungal disease of barley caused by Puccinia striiformis f. sp. hordei. a forma specialis of Puccinia striiformis.It was first detected in the United States in 1991, in northern and eastern Idaho in 1993, In 1995 it was detected for the first time in western Washington and western Oregon and is currently considered to be well established there. [1]

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Austropuccinia - Wikipedia

    en.wikipedia.org/wiki/Austropuccinia

    Austropuccinia is a monotypic genus of rust (a type of plant pathogen) native to South America with the only species Austropuccinia psidii, commonly known as myrtle rust, guava rust, or ʻōhiʻa rust. It affects plants in the family Myrtaceae. It is a member of the fungal complex called the guava rust (Puccinia psidii) group. [3]

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