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

Disease expected to limit impatiens supplies

From the Chicago Tribune

Gardeners can expect to find impatiens in short supply this year.

A fast-spreading disease is threatening the favorite flower, prompting some area garden centers to cut back on supplies or forgo selling the plants altogether.

The disease, impatiens downy mildew, is caused by a fungus-like organism. The disease stunts the plants’ growth, causes the leaves to turn yellow and drop, and eventually causes the plants to collapse.

Continue reading