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Effect of pollination treatment on percent change in tomato fruit weight compared to a no-pollination control across 71 experiments from 24 studies. Open pollination (n = 12), buzzing bee (n = 35), mechanical vibration (n = 13), non-buzzing bee (n = 6), auxin (n = 5). (For a full list of studies included, see Supp Table S1 [online only]).
