Frogeye Leaf Spot on Soybean 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 ...

Symptoms of Septoria brown spot in soybeans begin as small, irregular, dark brown spots on leaves. These often merge into larger brown blotches, particularly along leaf edges or leaf veins.

This factsheet describes Septoria Brown Spot in Soybean. This factsheet describes Septoria Brown Spot in Soybean. Skip to site content. Quick Links. MyUD ... Symptoms begin as small brown spots that ...

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.

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 ...

Red crown rot stems from a fungus that lives in the soil. It's first confirmed case in Missouri was last year.

There are a number of fungal soybean diseases that can greatly impact seed quality. In Indiana, the most common are Phomopsis seed decay (Phomopsis spp.), Cercospora purple seed stain (Cercospora ...

Cercospora is not as responsive to fungicides as other diseases, such as frog eye leaf spot and rust, Schneider said. So the results of tests with iron hold promise of combating the disease.

Unlike soybeans, the insect is native to North America, with a range that stretches from Manitoba, Canada, and as far south as Texas and North Carolina. SUBSCRIBE NOW! Read Today's Paper Wednesday ...

Ferrie: Severe Tar Spot is Shutting Down Corn, Encouraging Top Leaf Dieback Cornfields that had promised above-average or record yields, prior to being affected, are now more likely to produce ...