Soybean cyst nematode (SCN) was first detected in Ontario near Chatham (Dover Center) in 1988 and since then SCN resistant varieties in conjunction with crop rotation with non-host crops and scouting has been the cornerstone of SCN management. Recent reports from the US Midwest suggest that SCN populations are changing and resistance genes, particularly PI 88788, has begun to breakdown.

Read the entire report here: SCN Resistance Sources Continue to Work Their Magic