PA122

07/15/1992
1992
David Douds

USDA-ARS ERRC600 E. Mermaid LanePhiladelphia, PA 19118

No
Yes
Funneliformis
mosseae

Rodale Research Center Wyndmoor, PA. A farming systems trial, pooled samples from low input area around pH 6.5, 170 ppm P (Bray I extraction), 0.25 meq/100g K, and 3 % organic matter. Started with 10-50 spores inoculated onto Bahia grass and grown in a

4 = 6.3-7
0
0
3 = temperate
6 = annual row crop

Moderate number of spores. Moderate number of spores evident in first gen on 3/27/95, but many parasitized Yellow G. etunicatum and G. occultum also present.

1
1
No
No