The Plant Management Network has released a presentation by Michigan State University professor of nematology George Bird, on management practices for corky ringspot.
Corky ringspot is a disease caused by the tobacco rattle virus and vectored by stubby root nematodes. Usual symptoms are concentric rings on tuber skin and internal flesh.
Bird’s presentation is designed to assist growers in all potato-growing regions in understanding and managing corky ringspot. The presentation contains information about the typical symptoms of the disease and recommendations on how growers can sample for stubby root nematode. It further covers management strategies of containment, exclusion and nematode population control. Special attention is also given to soil health and chemical and biological control options.
Click here to view Bird's presentation.
Source: Potato News Today