Indiana Soybeans: Free Frogeye Leaf Spot Sampling Offered Oct 21, 2020

🕔Oct 21, 2020
Frogeye leaf spot (FLS) is becoming a serious threat to soybean production in Indiana and surrounding states. Traditionally a southern disease, it can cause yield loss up to 60%. In […]

Nebraska: Fungicide Resistance and Management of Frogeye Leaf Spot of Soybean Jul 1, 2020

🕔Jul 1, 2020
In 2019, QoI (strobilurin, FRAC group 11) fungicide resistance was detected in soybean frogeye leaf spot samples from 10 Nebraska counties (Fig. 1). Yield loss The presence of frogeye leaf […]

Georgia Pecans: New Triazole Fungicides Show Promise Jun 30, 2020

🕔Jun 30, 2020
Triazole (Group 3) fungicides were first labeled and used in pecan production during the 1990s with the introduction of propiconazole (Orbit). Since that time, a number of triazole active ingredients […]

Georgia Peanuts: Issues with Seeds, Fungicide Treatments Mar 13, 2020

🕔Mar 13, 2020
We have received many questions in recent days pertaining to the quality issues facing our peanut seed supply in 2020 and relative performance of seed treatments Dynasty PD and Rancona.  […]

Soybeans: Southern, Midwest Researchers Grapple With Frogeye Challenges – DTN Feb 7, 2020

🕔Feb 7, 2020
How common is fungicide-resistant frogeye leaf spot? So common that susceptible strains of the pathogen are now extremely hard to find. “It’s almost like they’re going extinct,” said Carl Bradley, […]

Iowa Soybeans: Pinning Down the Range of Frogeye Leaf Spot to Key Fungicide Jan 28, 2020

🕔Jan 28, 2020
Iowa State University researchers, with funding from soybean checkoff through the United Soybean Board and Iowa Soybean Association, have confirmed that over 70 isolates of the pathogen Cercospora sojina (cause […]

Kentucky Soybeans: Foliar Fungicide Considerations Jul 17, 2019

🕔Jul 17, 2019
Many soybean fields in Kentucky are approaching the R3 (beginning pod) developmental stage, which generally is a time to consider an application of a foliar fungicide to protect against foliar […]

California: Walnut Blight: Dealing With Resistance — It’s Complicated Apr 12, 2019

🕔Apr 12, 2019
Walnut Blight Disease Cycle Walnut blight is caused by the bacterial pathogen Xanthomonas arboricola pv. juglandis (Xaj). This devastating bacterium can overwinter in between scales of healthy buds, “waiting” to […]

South Dakota Soybeans: Fungicide Resistant Frogeye Leaf Spot Confirmed Mar 5, 2019

🕔Mar 5, 2019
South Dakota State University and University of Kentucky plant pathologists have confirmed that Cercospora sojina, a soybean pathogen that causes frogeye leaf spot, has shown resistance to QoI fungicides (quinone outside inhibitor, […]

Weeds: Resistance Management Webinar Series Starts in January Jan 4, 2019

🕔Jan 4, 2019
Managing resistant pests is an increasing issue throughout crop production in Nebraska and the entire U.S. Staying updated on current strategies to manage resistant pests is critical. This winter a […]

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