Research Article
Molecular Characterization and Screening for Sheath Blight Resistance Using Malaysian Isolates of Rhizoctonia solani
Table 2
IRRI scoring schedule for sheath blight disease (Rhizoctonia solani) (0–9 scale).
| Types | Symptoms shown |
| HR | No changes | R | Lesions limited to below of the leaf | MR | Lesions limited to below of the leaves | MS | Lesions present in more than of the leaves | S | Lesions present in more than of the leaf surface. Severe infection in upper leaves (2 branches of withered leaves) | HS | Lesions reach the tiller. Severe infection on all leaves and some plants were killed. |
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Description: HS: highly susceptible; S: susceptible; MS: moderately susceptible; MR: moderately resistant; R: resistant; HR: highly resistant.
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