Magnaporthe grisea, also known as rice blast fungus, rice rotten neck, rice seedling blight, blast of rice, oval leaf spot of graminea, pitting disease, ryegrass blast, and Johnson spot, is a plant-pathogenic fungus that causes a serious disease affecting rice. It is now known that M. grisea consists of a cryptic species complex containing at least two biological species that have clear genetic differences and do not interbreed. Complex members isolated from Digitaria have been more narrowly defined as M. grisea. The remaining members of the complex isolated from rice and a variety of other hosts have been renamed Magnaporthe oryzae. Confusion on which of these two names to use for the rice blast pathogen remains, as both are now used by different authors.

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dbo:abstract
  • Magnaporthe grisea, also known as rice blast fungus, rice rotten neck, rice seedling blight, blast of rice, oval leaf spot of graminea, pitting disease, ryegrass blast, and Johnson spot, is a plant-pathogenic fungus that causes a serious disease affecting rice. It is now known that M. grisea consists of a cryptic species complex containing at least two biological species that have clear genetic differences and do not interbreed. Complex members isolated from Digitaria have been more narrowly defined as M. grisea. The remaining members of the complex isolated from rice and a variety of other hosts have been renamed Magnaporthe oryzae. Confusion on which of these two names to use for the rice blast pathogen remains, as both are now used by different authors. Members of the Magnaporthe grisea complex can also infect other agriculturally important cereals including wheat, rye, barley, and pearl millet causing diseases called blast disease or blight disease. Rice blast causes economically significant crop losses annually. Each year it is estimated to destroy enough rice to feed more than 60 million people. The fungus is known to occur in 85 countries worldwide. (en)
  • Magnaporthe grisea est une espèce de champignon (un magnaporthe) ascomycète hétérothallique et haploïde de la famille des Magnaporthaceae. C'est le premier pathogène des monocultures intensives de riz dont il nécrose la tige au niveau des épis. La pyriculariose, nom donné à cette maladie est responsable de pertes atteignant souvent 20 % de la récolte, voire 100 % dans les zones humides et fraiches (ex : Yunnan Chine).Il attaque aussi d'autres Poaceae, le blé, le seigle, l'orge et le millet. D’un point de vue économique M.grisea cause d’importantes pertes chaque année ; on estime qu’en une année il détruit suffisamment de riz pour nourrir plus de 60 millions de personnes. Ce champignon est présent dans 85 pays environ dans le monde entier. Il est parfois utilisé comme organisme modèle dans l'étude des champignons phytopathogènes. (fr)
  • イネいもち病菌(稲熱病菌、Pyricularia oryzae)は、イネいもち病の病原菌である。 (ja)
  • Magnaporthe grisea, também conhecido como fungo da brusone do arroz, é um fungo patógeno vegetal, que causa uma importante doença que afecta a planta do arroz. Sabe-se agora que M. grisea consiste num complexo de espécies crípticas contendo pelo menos duas espécies biológicas que possuem nítidas diferenças genéticas e que não procriam entre elas. Membros do complexo isolados de Digitaria foram mais estreitamente definidos como M. grisea. Os restantes membros do complexo isolados do arroz e de outros hospedeiros foram renomeados Magnaporthe oryzae. Permanece alguma confusão sobre qual designação utilizar para o patógeno da brusone do arroz, pois os dois são usados por diferentes autores. Os membros do complexo Magnaporthe grisea podem também infectar vários outros cereais com importância agrícola, incluindo trigo, centeio, cevada e mexoeira, causando doenças chamadas brusones. A brusone do arroz causa anualmente perdas de colheitas economicamente significativas, estimando-se que em cada ano esta doença destrua arroz suficiente para alimentar 60 milhões de pessoas. É conhecida a ocorrência deste fungo em 85 países de todo o mundo. (pt)
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dbo:synonym
  • Ceratosphaeria grisea (T.T. Hebert, (1971)
  • Dactylaria grisea (Cooke) Shirai, (1910)
  • Dactylaria oryzae (Cavara) Sawada, (1917)
  • Pyricularia grisea (Cooke) Sacc., (1880)
  • Pyricularia grisea (Sacc., (1880) (anamorph)
  • Pyricularia oryzae (Cavara, (1891)
  • Trichothecium griseum (Cooke, )
  • Trichothecium griseum (Speg., (1882)
  • Phragmoporthe grisea (T.T. Hebert) M. Monod, (1983)
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  • 737818397 (xsd:integer)
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  • Magnaporthe grisea
dbp:binomialAuthority
  • M.E. Barr
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  • A conidium and conidiogenous cell of M. grisea
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  • 200 (xsd:integer)
dbp:species
  • M. grisea
dct:subject
http://purl.org/linguistics/gold/hypernym
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rdfs:comment
  • イネいもち病菌(稲熱病菌、Pyricularia oryzae)は、イネいもち病の病原菌である。 (ja)
  • Magnaporthe grisea, also known as rice blast fungus, rice rotten neck, rice seedling blight, blast of rice, oval leaf spot of graminea, pitting disease, ryegrass blast, and Johnson spot, is a plant-pathogenic fungus that causes a serious disease affecting rice. It is now known that M. grisea consists of a cryptic species complex containing at least two biological species that have clear genetic differences and do not interbreed. Complex members isolated from Digitaria have been more narrowly defined as M. grisea. The remaining members of the complex isolated from rice and a variety of other hosts have been renamed Magnaporthe oryzae. Confusion on which of these two names to use for the rice blast pathogen remains, as both are now used by different authors. (en)
  • Magnaporthe grisea est une espèce de champignon (un magnaporthe) ascomycète hétérothallique et haploïde de la famille des Magnaporthaceae. C'est le premier pathogène des monocultures intensives de riz dont il nécrose la tige au niveau des épis. La pyriculariose, nom donné à cette maladie est responsable de pertes atteignant souvent 20 % de la récolte, voire 100 % dans les zones humides et fraiches (ex : Yunnan Chine).Il attaque aussi d'autres Poaceae, le blé, le seigle, l'orge et le millet. (fr)
  • Magnaporthe grisea, também conhecido como fungo da brusone do arroz, é um fungo patógeno vegetal, que causa uma importante doença que afecta a planta do arroz. Sabe-se agora que M. grisea consiste num complexo de espécies crípticas contendo pelo menos duas espécies biológicas que possuem nítidas diferenças genéticas e que não procriam entre elas. Membros do complexo isolados de Digitaria foram mais estreitamente definidos como M. grisea. Os restantes membros do complexo isolados do arroz e de outros hospedeiros foram renomeados Magnaporthe oryzae. Permanece alguma confusão sobre qual designação utilizar para o patógeno da brusone do arroz, pois os dois são usados por diferentes autores. (pt)
rdfs:label
  • Magnaporthe grisea (en)
  • Magnaporthe grisea (fr)
  • イネいもち病菌 (ja)
  • Magnaporthe grisea (pt)
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  • Magnaporthe grisea (en)
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