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Impaired seed production in pub4-6 atg double mutant plants. A, Photographs of siliques from main stems in wild-type (WT), pub4-6, atg5, atg7, pub4-6 atg5, and pub4-6 atg7 plants. Bars = 5 mm (left) and 0.5 mm (right). B, Number of normal mature seeds per silique of main stem. Error bars indicate se (n = 17–19). Different letters denote significant differences based on Tukey’s test (P < 0.05).
