rice blast

noun Plant Pathology.
a disease of rice caused by the fungus Pyricularia oryae, characterized by elliptical leaf spots with reddish-brown margins, brownish lesions and neck rot of the fruiting panicles, and stunting of the plant.
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Testing for rice blast resistance in genetically engineered rice plants is done in various countries.
Thus rice blast disease is a significant constraint to global food security and agricultural trade.
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