Pesticide Information
Pesticide Information
The NDSU Plant Diagnostic Lab does not offer chemical residue analysis for herbicides or other possible contaminants. We offer herbicide injury evaluation based on visual symptoms only.
In cases where a known specific herbicide is suspected to have caused injury, symptoms can often be visually evaluated to determine if they are consistent with exposure to the specific suspected herbicide.
In cases where a herbicide injury is suspected but the applied herbicide is not known, a visual evaluation for herbicide injury may not be able to determine precise chemistry, and it may not be definitive. However, herbicide chemical families can sometimes be identified based a visual analysis alone. A visual evaluation can be helpful if it can narrow chemical possibilities to help reduce costs in circumstances that require more rigorous chemical residue testing.
Below is a partial list of labs that offer chemical residue analysis:
| A&L Great Lakes Lab 3505 Conestoga Drive Fort Wayne, IN 45808 Tel: 260.532.6701 Contact: Tim Grerer; Dan Kite |
South Dakota Agriculture Laboratories |
| Animal Disease Lab 9732 Shattuc Road Centralia, IL 62801-5858 Tel: 618.532.6701 |
Midwest Laboratories 13611 B Street Omaha, NE 68144 Tel: 402.334.7770 Contact: Lisa Dworak |
| Analytical Laboratory McCall Hall, PO Box 173620 Montana State University Bozeman, MT 59717 Tel: 406.994.3383; Heidi Hickes developed the most sensitive test available for Oust. |
Minnesota Valley Testing Laboratories 326 Center Street New Ulm, MN 56073 Tel: 507.354.8517 Samples sent to New Ulm, MN lab |
| Columbia Food Laboratories 36740 E. Old Historic Columbia River Hwy PO Box 40 Corbett, OR 97019 Tel: 503.695.2287 |
Pacific Agricultural Laboratory, LLC 12505 NW Cornell Rd, Ste. 4 Portland, OR 97229 Tel: 503.626.7943 Fax: 503.641.0644 www.pacaglab.com |
| Harris Laboratories (now part of AgSource family) 621 Rose Street PO Box 80837 Lincoln, NE 68501 Tel: 402.476.2811 |
SGS North America 241 34th Ave Brookings, SD 57006 Tel: 605.692.7611 email: angela.carlson@sgs.com |
