Other Plant Disease — Costa Rica
The National Rice Corporation (Conarroz) of Costa Rica has detected crown sheath rot in rice crops grown in irrigation systems in the province of Guanacaste.
This region is the largest rice-growing area in the country, with crops grown both under rain-fed and irrigation systems.
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Communicated by:
ProMED-mail
[Crown sheath rot of rice (also called black sheath rot, take-all root rot, “mancha naranja”) is caused by the fungus _Gaeumannomyces graminis_ (previously _G. g._ var.
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