Soybean Growers Need an Integrated Approach When Fighting Nematode

But a new problem is emerging – slowly but surely – as the soybean cyst nematode (SCN) becomes resistant to the resistance. Today, Greg Tylka said the data show SCN is found in 70% to 75% of Iowa’s fields, with an annual yield reduction ranging from 5% to 50%, depending on the level of infestation and the weather.