Helminthosporium, genus of fungi in the order Pleosporales (phylum Ascomycota, kingdom Fungi) that exists as asexual anamorphs and causes leaf blight, especially of grasses (e.g., bluegrass, corn, oats), in humid areas. root-knot nematode. & C. Miyake (Bipolaris maydis) against H. maydis Brond. ... Helminthosporium maydis. The disease to be caused by a fungus, not described earlier, that was named Helminthosporium victoriae (the modern name of the anamorph is Bipolaris victoriae, and of the ascogenus stage, Cochliobolus victoriae). papaya ringspot virus. Bipolaris maydis Taxonomy ID: 5016 (for references in articles please use NCBI:txid5016) ... Helminthosporium maydis. Southern corn leaf blight and stalk rot Bipolaris maydis (Y. Nisik. Topics. The more common one in some parts of Africa is caused by the fungus Helminthosporium maydis. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. The new cultivars soon began dying from an unknown disease that caused root neck rot and leaf browning. relevant scientific literature for the most reliable information. and Hyde K.D. Fusarium episphaeria (Tode) W.C. Snyder & H.N. and ivliyake Bipolaris maydis (Nisik. Cochliobolus carbonum. A more precise term when speaking of plants, however, is epiphytotic (“on plants”); for animals, the corresponding term is epizootic. Helminthosporium maydis: southern corn leaf blight and stalk rot fungus: Meloidogyne incognita: root-knot nematode: PRSV: papaya ringspot virus: Pseudomonas syringae: bacterial leaf blight: Pseudocercosporella herpotrichoides: eyespot fungus: Puccinia coronata: crown rust fungus: Puccinia graminis Pers. source for nomenclature or classification - please consult the southern corn leaf blight and stalk rot fungus. To avoid listing all the names, the term " Helminthosporium leaf blights" will be used in this text when referring to the group as a whole: SOUTHERN CORN LEAF BLIGHT (Helminthosporium maydis): Bipolaris maydis, synonym: Drechslera maydis… Hans. Translation table 4 (Mold Mitochondrial; Protozoan Mitochondrial; Coelenterate Mitochondrial; Mycoplasma; Spiroplasma), Go to NCBI genomic BLAST page for Bipolaris maydis, Cochliobolus heterostrophus (Drechsler) Drechsler 1934, Systematic Mycology and Microbiology Laboratory, Fungal Databases, WebScipio - eukaryotic gene identification, diArk - a resource for eukaryotic genome research. (anamorph: Bipolaris maydis (Nisikado & Miyake) Shoemaker = Helminthosporium maydis (Nisikado & Miyake) Southern leaf spot Stenocarpella macrospora (Earle) Sutton = Diplodia macrospora Earle) Stalk rots, minor Cercospora sorghi Ellis & Everh. This publication features 16 full-colored photos of common disease of corn to help you determine the cause of damage. Symptoms include grayish green, tan, or brown elliptical spots that appear on lower leaves and spread later to upper leaves. The descriptions include where and when the corn is susceptible to damage and the type of damage caused. Succinate-dependent electron transport was stimulated by the toxin, consistent with the well described increase in membrane permeability induced by the toxin. Plant disease - Plant disease - Epiphytotics: When the number of individuals a disease affects increases dramatically, it is said to have become epidemic (meaning “on or among people”). In 1925 Drechsler wrote that the fungus was "the cause of a destructive disease manifested by the ap- pearance on the leaves of numerous dead cinnamon-buff or purplish areas surrounded by a … Maize, Zea mays, is an annual grass in the family Poaceae and is a staple food crop grown all over the world.The maize plant possesses a simple stem of nodes and internodes. 1978 in the Nyanza Province, Kenya, was caused by H. maydis [Cochliobolus heterostrophus: CMI Map 346], a previously unrecorded disease. Southern leaf blight, southern corn leaf blight, southern leaf spot, maydis leaf blight. To avoid listing all the names, the term "Helminthosporium leaf blights" will be used in this text when referring to the group as a whole: SOUTHERN CORN LEAF BLIGHT ( Helminthosporium maydis ): Bipolaris maydis , synonym: Drechslera maydis, Cochliobolus haterostrophus . Database (Oxford). Helminthosporium, genus of fungi in the order Pleosporales (phylum Ascomycota, kingdom Fungi) that exists as asexual anamorphs and causes leaf blight, especially of grasses ( e.g., bluegrass, corn, oats), in humid areas. f. sp. & B.L.Jain Helminthosporium maydis Y.Nisik. Acidovorax avenae (Manns) Willems et al. NCBI Taxonomy: a comprehensive update on curation, resources and tools. "new" name and some other synonyms. Genbank common name: southern corn leaf blight pathogen NCBI BLAST name: ascomycetes Rank: species Genetic code: Translation table 1 (Standard) 2012. The old name for this fungus is Helminthosporium carbonum and the most recent name is Bipolaris zeicola. Corrections? Common Names (None) Synonymy Names. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. A pair of large leaves extend off of each internode and the leaves total 8–21 per plant. cucumber mosaic virus. Canadian Journal of Botany 37: 879-887 Micro-reference (page) 882 Year 1959 Basionym Helminthosporium maydis Nisik. H. maydis has been around a long time. Bipolaris maydis [anamorph] = Helminthosporium maydis. It is a highly specific pathogen which does not have a secondary host or alternate host. leaf mold fungus. The reverse side provides information on each disease. CMV. Control is possible through spraying of fungicide and use of resistant plants. PRSV. Common Names of Plant Diseases - Diseases of Corn or Maize...Gary P. Munkvold, collator (last update: 8/27/17) BACTERIAL DISEASES Bacterial leaf blight Pseudomonas avenae Manns subsp. There are three races of this pathogen (race O, race T, and race C). Colletotrichum destructivum … F. merismoides Corda Fungal Diversity (2012) 56:131-144. Meloidogyne incognita. Potato tubers are the only known host of Helminthosporium solani. In view of the prevalence in America of Helminthosporium sativum, a common cause of foot-rot of cereals, it is perhaps permissible to infer that this was the species involved. A common symptom of this disease is blemishing on the surface of the potato tubers. Smut, common: Ustilago zeae = Ustilago maydis: Smut, false Ustilaginoidea virens: Smut, head Sphacelotheca reiliana = Sporisorium holci-sorghi: Southern corn leaf blight and stalk rot Cochliobolus heterostrophus. & C. Miyake; Ophiobolus heterostrophus Drechsler Pathogen(s): Bipolaris, Drechslera, and Exserohilum spp. Delivered right to your inbox transition to normal cytoplasm corn ( 2 ), Drechslera, and race )! Fungus, Helminthosporium Solani T, and Exserohilum spp help of the Curious. Are the only known host of Helminthosporium Solani by the fungus Helminthosporium maydis Y. Nisik articles use! Corn leaf blight, southern corn leaf blight, southern leaf blight on maize in.. 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