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Strawberry leaf spot, caused by the soil-borne fungal pathogen, Mycosphaerella fragariae, can infectleaves, petioles, runners, fruit stalks (pedicels), and berry caps or calyxes. Small, dark purple to reddish purple, round spots, 1/8 to 1/4 inch in diameter (3 to 6 millimeters), appear on the upper leaf surfaces. The center of the spots soon become tan […]