scale_of 2 between 1 and 3 between 3 and 5 4 Lesions visible on less than 10% of the plants, no stem girdling (resistant) 3 8 between 7 and 9 variable_of 7 Lesions present on most plants, stem girdling on less than 50% of the plants, resulting in the death of a few plants and causing considerable damage (susceptible) acronym No disease visible on any plant (highly resistant) 1 attribute 6 between 5 and 7 method_of Lesions profuse on all plants, stem girdling present on more than 50% of the plants and death of most plants (highly susceptible). 9 Lesions visible on up to 25% of the plants, stem girdling on less than 10% of the plants but little damage (tolerant) 5 entity 1-9 Ascochyta blight severity scale