PA115A

05/20/1993
1993
David Douds

USDA-ARS ERRC600 E. Mermaid LanePhiladelphia, PA 19118

No
Yes
Claroideoglomus
etunicatum YV

Pennsylvania. 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.

4 = 6.3-7
5 = > 100
0
3 = temperate
6 = annual row crop

Many spores (etunicatum?) present. Many spores of G. intraradices also present. Few spores resemble immature G. mosseae. was called G. epigaea

0
3
No
No