HortScience · 1973 · 191 citations · 0 references
AgricultureHorticultural SciencesPlant SciencesCrop ProductionPlant Disease ManagementVegetable ScienceColor QualityDisease AssessmentDisease Severity AssessmentGradingHarvest Quality ControlQuality Trait EvaluationCrop Quality AssessmentHarvest Quality GradingPlant Grading StandardsQuality GradingQuality Grading StandardsQuality Loss In VegetablesVisual Disease RatingVisual Inspection Criteria
Abstract Numerical rating scales and their descriptive equivalents for firmness, visual quality, decay, butt discoloration, wilting, and other defects of lettuce ( Lactuca sativa L.) are described. Also presented are scoring systems for brown stain, russet spotting, and rusty-brown discoloration of crisphead lettuce that consider severity of lesions, proportion of leaf affected and number of leaves affected in a head.