Table 4.

Analysis of variance results for the effects of E. alsodes isolates, host population, and drought/nutrient stress on Poa alsodes

	df	Total biomass		Leaf biomass		Root biomass		Root:shoot		Plant height		Number of tillers
		F	p	F	p	F	p	F	p	F	p	F	p
Endophyte (E)a	2	11.46	<0.000	11.21	<0.000	13.92	<0.000	11.95	<0.000	6.79	0.001	1.24	0.29
Plant population (P)b	1	0.03	0.86	0.00	0.95	1.41	0.24	0.63	0.43	154.31	<0.000	68.07	<0.000
Treatment (T)c	3	170.88	<0.000	176.80	<0.000	123.46	<0.000	48.51	<0.000	180.87	<0.000	36.33	<0.000
E * P	2	3.99	0.02	3.69	0.03	4.69	0.01	3.86	0.02	0.42	0.66	5.12	0.007
E * T	6	0.74	0.62	0.87	0.52	0.51	0.80	1.24	0.29	0.98	0.44	0.38	0.89
P * T	3	1.49	0.22	1.45	0.23	2.08	0.10	1.01	0.38	7.67	<0.000	1.08	0.36
E * P * T	6	0.12	0.99	0.07	1.00	0.36	0.90	0.45	0.85	0.52	0.79	0.69	0.65
Error	254

p < 0.05 are in bold.

^a E. alsodes isolates A1, A2 inoculated and E−.

^bNC and PA populations.

^cHWHN, HWLN, LWHN, LWLN treatments.