Potato Cyst Nematodes -
Globodera rostochiensis (golden nematode) &
What are Potato Cyst Nematodes (PCNs)?
|? Both PCNs are internationally-|
recognized quarantine pests of potato.
? The PCN known as golden nematode
was discovered in NY in 1941. It has
been successfully confined to nine
counties in New York.
|? The PCN known as pale cyst nematode was discovered in Idaho in 2006. |
? Both nematodes reside in Canada with recent discoveries of the golden nematode
in Quebec and in seed production fields in Alberta.
? Both species of PCNs are distributed in potato-growing areas worldwide.
Why are PCNs a Threat to US Agriculture?
? Once PCNs are introduced, eradication is difficult and perhaps unlikely.
|from the regulated areas and carrying soil (e.g. all nursery, turf, root, and tuber crops) in the regulated areas.|
What PCN management strategies are currently used in New York?
|? PCN control requires strict adherence to regulatory and quarantine procedures and|
annual surveys of infested and potentially exposed lands.
? Commercially marketable PCN-resistant potatoes are grown in affected fields.
? In NY, the USDA-APHIS and the New York State Department of Agriculture and Markets
work cooperatively with research and extension leaders and with growers to
implement appropriate nematode management plans.
How does Research Help to Manage and Control PCNs?
|? The joint ARS-Cornell PCN-research program is the only program in North America that has extensive expertise in PCN|
biology, resistance breeding, and PCN management strategies, and it plays a vital role for PCN control in the U.S.
? Our research program focuses on four major areas:
-Develops and releases PCN-resistant potato varieties.
-Uses molecular tools to develop diagnostics for faster identifications.
-Uses multiple technologies to discover novel approaches to PCN management.
-Provides scientific & technical support to USDA-APHIS and NYS nematode quarantine programs.