Crop Protection · 2013 · 51 citations · 8 references
AgricultureAgronomyPlant SciencesAgricultural EntomologyCrop ProtectionPlant Disease DiagnosisBlight DiseasesDisease AssessmentDisease Severity AssessmentBlight DiagnosticsBlight Severity AssessmentBlight SymptomsBlight Yield LossDisease Rating Scales
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John A. Juvik · HortTechnology · 2000 · 443 citations · Full text
A manual of assessment keys for plant diseases
Peter Keane · Soil Biology and Biochemistry · 1981 · 115 citations