Methionine-Riboflavin and Potassium Bicarbonate-Polymer Sprays Control Apple Flyspeck and Sooty Blotch

Fig. 2. Flyspeck lesions (groups of sharply defined, black, shiny dots) on the surface of an apple. Reproduced, by permission, from Jones and Aldwinckle (6). Photo courtesy K. D. Hickey.



Image from Plant Health Progress article:
Methionine-Riboflavin and Potassium Bicarbonate-Polymer Sprays Control Apple Flyspeck and Sooty Blotch