Integrated Strategies for White Mold Control
Chasing record-breaking yield can be a catch-22 for soybean growers, since the same practices that support high yield — narrow rows, dense canopies and high seeding density — also contribute to white mold infection risk.
Fortunately, a combination of cultural practices, diligent monitoring and timely fungicide treatments can provide effective white mold control and help growers reach yield goals.
Soybean White Mold
Weeds provide ready hosts for white mold and limit airflow through the canopy, encouraging disease spread. Consider early season applications of DuPont™ Canopy®, Enlite®, or Envive® herbicides to keep fields clean until the canopy closes.
Watch for Signs
White mold infection is most likely to occur at flowering, so begin proactive scouting at canopy closure. Look for rapid wilting, bleaching, brown lesions, leaf flagging, fluffy white growth and individual plant deaths in scattered patches.
Timely Fungicide Application
Registered fungicides are most effective at white mold control when applied during the initial flowering period. A second application may be recommended 7 to 14 days later if flowering is extended, environmental conditions are conducive to white mold or there is heavy disease pressure.
An effective fungicide option for soybean white mold control is DuPont™ Aproach® fungicide. Aproach® offers preventive and residual activity with redistribution within the crop canopy to improve plant coverage, and protect deeper into the crop canopy where soybean white mold originates. Effective protection supports plant performance for better yield results.
White mold structures called sclerotia are released during the harvesting process and can easily be spread to new fields. Harvest infected fields last and thoroughly clean equipment after leaving infected fields.
Revise Tillage Strategies
While deep tillage can bury sclerotia below the germination zone, it can also bring them to the surface. No-till practices contribute to more reliable white mold control than conventional tillage.
Aproach® is not registered for sale or use in all states. Contact your DuPont representative for details and availability in your state.
The information provided on this website is for reference only. Always refer to the product labels for complete details and directions for use.