Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Nematode Collection Database
U.S. Department of Agriculture

Entry Number: 1248

Disposition of Sample
Specimens to USDANC (Type)
Nematode
Heterodera graminophila
Host
Echinochloa colonum (Barnyard grass) in/on Root/Soil
Origin
USA Louisiana 5 km West of St. Joseph (subsequently grown in greenhouse culture at Baton Rouge, LA)
Collector
Wray Birchfield via Wray Birchfield
Date Collected
1971 Apr 01
Date Received
1971 Apr 07
Slides
T-206t (Holo.) & T-207t (Allo.), T-1156p, T-1157p, T-1158p, T-1159p, T-1160p, T-1161p (Para.)
Vials
T-72p, T-73p, T-74p, T-75p, T-76p, T-77p, T-78p, T-79p, T-80p (Paratypes)
Author
A. Morgan Golden & Wray Birchfield
Reference
Journal of Nematology (1972) 4 (2): 147-154.
Remarks
10 cysts taken from vial T-73p on 10/10/08, given to Sergei Subbotin and Jim Baldwin for research purposes. Cysts will not be returned.