ST. LOUIS (DTN) -- If a thief snuck in around harvest time and made off with 30% of your soybean crop, you'd probably notice, right?
Maybe not, says Iowa State plant pathologist Greg Tylka.
"Fields that have soybean cyst nematodes may not look sick, and that's a huge problem," Tylka told DTN. "We've documented 30% yield loss, and the plants looked perfectly healthy."
The soybean cyst nematode (SCN), the tiny pest that infests soybean roots, is the number-one source of yield loss for soybean growers in the U.S. The presence of these tiny nematodes -- a female stuffed with 200 ...