highly significantp <0.0001
Plants that were excluded from pollinator visitation (−HP +CAGE) produced a mean of 0.45±0.15 SE seed/plant compared to plants open to pollinator visitation (−HP −CAGE) produced 2.37±0.35 SE seeds/plant, a highly significant difference ( t test, equal variance; t = 6.67, df = 172, p <0.0001).