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Comparison between open and hand pollination reproductive success in seasons 2, 3 and 4 (S2, S3 and S4) of Cucumis melo subsp. agrestis. Treatments are open pollination (T1) and hand cross-pollination with pollen from male flowers (T6), as indicated. Significant differences among treatments (P ≤ 0·05) are indicated by different letters above the standard error bars.
