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Phenotypic characteristics of hairy vetch and smooth vetch. (A) Plant phenotypes at heading stage in the field. Comparison of shoots apex (B), stems (C), florets (D), pods (E) and seeds (F) between the two vetches. Bars: 10 cm (A); 1 cm (B–E); 1 mm (F). Determination of plant height (G), branch number (H), fresh weight (I) and seed weight (J). Error bars, ±SD (n = 9). Student’s t test was used for statistical analysis (* p ≤ 0.05, ** p ≤ 0.01).
