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Soybean cyst nematode resistant soybeans help with control–but only with rotation

In Delta Farm Press

New University of Missouri Extension plant pathologist Kaitlyn Bissonnette brings research on soybean cyst nematode (SCN) management to Missouri.

SCN numbers are growing in Missouri as farmers devote more acres to soybean production. SCN infests about 75 percent of Missouri fields, according to a recent survey by MU College of Agriculture, Food and Natural Resources researcher Melissa Mitchum. Many of these fields have high SCN egg counts. Continue reading

Combination of tactics important to control nematodes

In Southeast Farm Press

Both Clemson University and North Carolina State University are issuing warning bells for nematodes in the Carolinas.

The nematode issue was front in center at both Clemson’s corn and soybean production meeting in Dillon, S.C., Feb. 8 and at N.C. State’s Road Show production meeting the following day in Plymouth, N.C. A concern in both states is the Southern root knot nematode and the soybean cyst nematode. Continue reading

Soybean cyst nematode-resistant soybeans are not immune to pest

In Southeast Farm Press

by members of Syngenta

Many soybean farmers don’t realize their fields may be a buffet for soybean cyst nematodes, despite the use of SCN-resistant soybean varieties.

These microscopic, parasitic worms lurk beneath the soil and can feed off soybean plant roots before any above-ground crop damage is noticed. By then, the SCN population has grown much more numerous and stronger, becoming difficult to control as well as a huge economic threat to soybean farmers. Continue reading

Aphid infestation increases chance of soybean cyst nematode

In Southeast Farm Press

According to a recent soy-checkoff-funded study, the presence of soybean aphids in a soybean field increases the chances that the same field will be infested with soybean cyst nematode – even in fields planted to SCN-resistant varieties.

Continue reading

If you had SDS in soybeans, sample for SCN

The University of Tennessee crops blog suggests that soybean farmers who experienced Sudden Death Syndrome on their crop sample for soybean cyst nematode. The blog post discusses the link between the two diseases. Read the post.

If you are in another state, call your extension specialist who works on soybeans.

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

UK researchers conducting comprehensive poultry litter study

Previous research studies have shown poultry litter applications have many benefits for corn and soybean producers, but these benefits have not been quantified or integrated into one comprehensive research study. UK College of Agriculture researchers are doing just that.

Continue reading