Table 2.

Proc Mixed results (F values) of effects of plant type (Bt or non-Bt maize) on colonization of roots by AMF hyphae, arbuscules, and/or vesicles and total percent AMF colonization (presence/absence of any fungal structure per 100 intersects) at 60-day, 90-day, and 130-day harvests

AMF response	df	F value	P value
60-day harvest
Hyphae	1,4	0.14	0.73
Arbuscules	1,4	0.13	0.73
Vesicles	1,4	1.14	0.34
Total AMF	1,4	0.20	0.68
90-day harvest
Hyphae	1,4	2.03	0.23
Arbuscules	1,4	2.34	0.20
Vesicles	1,4	0.23	0.66
Total AMF	1,4	2.11	0.22
130-day harvest
Hyphae	1,4	0.15	0.72
Arbuscules	1,4	0.06	0.81
Vesicles	1,4	0.49	0.52
Total AMF	1,4	0.15	0.72