Seeds for Success

White, fluffy growth and sclerotia on soybean stem characteristic of white mold. Image: D. Mueller. Crop Protection Network. Wilted, dead leaves remain attached to stems of white mold infected plants. Image: A. Sisson. Crop Protection Network.Wet and cool conditions during flowering are ideal for development of the fungus Sclerotinia sclerotiorum.

No variety is completely resistant to white mold, particularly under severe disease pressure, but differences in tolerance exist among varieties.

Crop rotation, weed management, and tillage are helpful in management of White mold. Multiple products are labeled for white mold control and suppression including both synthetic and biological fungicides. Applications must be made prior to infection because they have little activity on the established pathogen.

Optimal timing for fungicide application is typically at the R1 growth stage when blooms are vulnerable to the initial infection and canopies are still open. Later fungicide applications may be inhibited from ideal canopy penetration especially in narrow-row soybeans. Less penetration means less efficacy.

Growers should carefully monitor growth stage of the crop when investing in a fungicide treatment.

If you would like to learn more about how you can thrive by becoming an ISC, let us know.

Hear what farmers are saying

“I use AgVenture because of their excellent products, service, and agronomic support. When we need something they respond quickly. I can’t think of any reason why we wouldn’t use AgVenture. AgVenture stressed the importance of new technology on our farm and is helping us maximize our yield maps, soil grid maps, and fertilizer application data. I do business with AgVenture because they are very trustworthy and service oriented.”

- Kansas Farmer

“We’ve had the AgVenture Spangler 'Training Plots' for several years. The plots help us in our corn and soybean selections. For 3 generations, we have been using AgVenture Spangler products.”

- Wisconsin Farmer

“I consider everyone at AgVenture a friend and I can tell that they are really looking out for me and my farming operation. AgVenture is an easy company to work with and you cannot beat the service. When I have questions about my crops I call AgVenture and they are here right away helping me find the answer.”

- Kansas Farmer

“An AgVenture Yield Specialist showed me what my yields could be with AgVenture seed and I thought they were impossible because they were so good.”

- Nebraska Farmer