Soybean cyst nematode (SCN) remains the most economically damaging soybean pathogen in North America. If SCN levels are above damage threshold, significant yield reduction can often take place without visible symptoms. To know if the nematode is present in a field, soil sample for SCN testing must be properly collected. The presence of SCN in a field, but most importantly, the SCN numbers will determine the best management strategy. Therefore, you need to test your fields to know your SCN numbers.
Full Article at Fall is the Best Time to Sample for Soybean Cyst Nematode (SCN) | Agronomic Crops Network (osu.edu)
