Table 1.

Statistical results of colony strength and infection level of different pathogens from groups M (monofloral) and P (polyfloral) at specific samplings (S). MW: Mann Whitney U Test. Significant results (p ≤ 0.05) are shown in black.

Comparison	Pollen diversity Shannon diversity index	Brood population	Adult population	ABPV	BQCV	DWV	SBV	V. destructor	Nosema spp. (proportion of infected bees)	Nosema spp. (number of spores in a pool of bees)
S1. M vs. P	MW p = 0.24	MW p = 0.57	MW p = 0.71	MW p = 0.22	MW p = 0.32	MW p = 0.23	MW p = 0.62	MW p = 0.31	T test p = 0.32	T test p = 0.94
S2. M vs. P	MW p = 0.12	MW p = 0.05	MW p = 0.02	MW p ≤ 0.001	MW p = 0.93	MW p = 0.81	MW p = 0.002	MW p = 0.5	T test p = 0.35	T test p = 0.02
S3. M vs. P	MW p ≤ 0.001	MW p = 0.003	MW p = 0.34	MW p ≤ 0.001	MW p ≤ 0.001	MW p ≤ 0.001	MW p = 0.79	MW p = 0.52	T test p = 0.12	T test p = 0.14
S4. M vs. P	MW p = 0.002	MW p = 0.02	MW p = 004	MW p ≤ 0.001	MW p = 0.01	MW p ≤ 0.001	MW p = 0.06	MW p = 0.43	T test p = 0.004	T test p = 0.83
S5. M vs. P	MW p = 0.06	MW p = 0.28	MW p = 0.02	MW p ≤ 0.001	MW p = 0.1	MW p ≤ 0.001	MW p = 0.01	MW p = 0.6	T test p ≤ 0.001	T test p ≤ 0.001
June: M vs. P	—	MW p = 0.02	MW p = 0.01	—	—	—	—	—	—	—
July: M vs. P	—	MW p = 0.007	MW p = 0.001	—	—	—	—	—	—	—
August: M vs. P	—	MW p = 0.004	MW p = 0.02	—	—	—	—	—	—	—
S6: M vs. P	—	MW p = 0.28	MW p = 0.02	MW p = 0.90	MW p = 0.41	MW p = 0.80	MW p = 0.26	—	T test p = 0.91	—