Symptoms: Grayish-green lesions may enlarge and coalesce with other lesions, mostly on lower leaf sheaths, but occasionally on the leaves. Phenotypic evaluation scale (based on relative lesion height): 0 - No infection observed; 1 - Lesions limited to lower 20% of the plant height; 3 - 20-30%; 5 - 31-45%; 7 - 46-65%; 9 - More than 65%. Defining relative lesion height: The relative lesion height is the average vertical height of the uppermost lesion on leaf or sheath expressed as a percentage of the average plant height (RiceSES).

rice sheath blight fungal disease

PDO:0000051

A rice fungal disease (PDO:0000081) caused by Rhizoctonia solani (PDO:0000088).

rice sheath blight

sheath blight

moorel

2012-04-12T10:28:54Z

OBO_SF2_PSO:15

PSO_GIT:15

plant_disease_ontology

PDO:0000051