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Northern Leaf Blight Prevalent in Iowa
Northern corn leaf blight (NCLB) has been reported in numerous fields in Iowa. Most of the reports have come from central and western Iowa, but since the pathogen that causes this disease is spread by wind and rain, the disease could be more widespread.
Mid-Season Update on Fungicides and Corn Diseases
We continue to receive several questions about Northern corn leaf blight, Goss’s wilt and fungicides. Here is some additional information.
Basics of fungicides
Parts of rural Iowa are abuzz about fungicide use to manage some emerging diseases, and we have received several questions about the basics of fungicides. A quick reminder, APS PRESS recently published a book geared towards farmers and agronomists on the basics of fungicides.
Mid-Season Soybean Diseases Out in Full Force: How to Send a Sample to ISU Diagnostic Clinic
Soybean samples have been arriving almost daily at the ISU Plant and Insect Diagnostic Clinic this year. Early season problems were primarily damping off diseases and problems with herbicide carryover or sometimes a combination of the two.
Grasshopper Activity Observed
Grasshopper activity has been noted this week in Iowa. These insects feed on grasses and weeds, and can become field crops pests. In corn and soybean, feeding is frequently, but not always, restricted to field edges. When crop injury does occur, it usually is related to drought conditions due to a reduction in natural vegetation.
Japanese Beetles Active Around Iowa
Tar spot in central Iowa should not be a surprise.
2019 Science Policy Experience brings National Spotlight to Successful Harrison County Pest Resistance Management Project
The Harrison County Pest Resistance Management Project (Harrison County Project), one of four pilot programs of the Iowa Pest Resistance Management Program (IPRMP), was the focus of attention for national researchers in pest management, sociology, farming, policymaking and the agriculture industry, at the 2019 Science Policy Experience.
Youth Program Focuses on Agriculture and Biodiversity

