Impact of Bee Species and Plant Density on Alfalfa Pollination and Potential for Gene Flow

Table 3

Analysis of variance with pollinator species and plant density on the number of flowers visited per patch during one foraging bout by bumble bees and honeybees.

Source	d.f.	Sum-of-squares	MS	$F$-ratio	$P$
Bee species	3	258071.2	86023.7	3.92	.009
Plant density	1	321828.9	321828.9	14.68	.0002
Bee* Density	3	197478.8	65826.3	3.00	.0307