Frogeye leaf spot (FLS), caused by Cercospora sojina, is a serious disease affecting soybeans and can cause more than 30% yield loss if not properly managed. First reported in the United States in ...

Frogeye leaf spot is caused by the fungus Cercospora sojinia. The fungus survives overwinter on infested crop debris. Fields most at risk are those planted to susceptible varieties, those that had ...

Iowa State University Extension and Outreach field agronomists have reported the appearance of frogeye leaf spot in soybeans as much of the crop across Iowa enters the R3-R5 growth stage.

Question:I had a problem with frogeye leaf spot in soybeans last year and want to be proactive this season to prevent it. What would you advise? Answer:Cool, wet conditions and early planting can ...

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Figure 1. Distribution of tar spot in Indiana in 2018 and current distribution as of Oct 1, 2019. What to look for: Small, black, raised spots (circular or oval) develop on infected plants, and may ...

Cercospora leaf spot is a foliar disease that rarely, if ever, kills the target plant. However, in severe cases, ... This pattern is sometimes referred to as frogeye leaf spot.

Key diseases targeted include tar spot, southern rust and frogeye leaf spot, among others, according to Mike Eiberger, U.S. marketing leader for Corteva. The fungicide will offer farmers these key ...

Significant hail damage hits corn and soybean fields in northwest and northcentral Iowa, Iowa State University's Gentry ...

Soybean diseases continue to push north, creating new concerns for Minnesota and North Dakota farmers, an Extension official says.

Some populations of frogeye leaf spot might be resistant to strobilurin fungicides, meaning they cannot be managed by those fungicides. "We want to avoid and delay resistance from building up in ...

Fungicides are used to control such fungal diseases as gray leaf spot and northern corn leaf blight in corn, and Asian soybean rust and frogeye leaf spot in soybeans. The diseases attack leaves - ...