Table 2.

Microbial beta diversity within treatment blocks.

Stress treatment type	Average deviation§	P(permutation)¶
Pathogen-inoculated fertilized	3.5	0.79
Pathogen-inoculated unfertilized	3.6	0.39
Fungicide fertilized	5.8	0.038*
Fungicide unfertilized	6.8	0.02*

^§Average devation from the mean of the distance to multivariate centroid for the 10 replicates within each block.

^¶P-value for overall model from permdisp2 analysis of the 10 blocks of four replicate plants.

^*P< 0.05.