Soybean cyst nematode may be reason for ‘yield ceiling’ in Kentucky

In Southeast Farm Press

Soybean cyst nematode (SCN) is the most widespread and damaging disease pest of the crop in Kentucky.

It is my opinion that SCN is the main cause of the so-called, “yield ceiling” that is evident in many Kentucky soybean fields.

SCN is managed by rotating fields to non-host crops, such as corn, and by planting soybean cultivars that resist SCN. The problem is that in order for these tactics to be used properly, their effectiveness must be monitored over time.

Continue reading