Purdue Field Crop Pathology

Telenko Lab

Promoting sustainable and economically sound disease management in Indiana field crops

Telenko Lab

Our research program focuses on promoting sustainable and economically sound disease management practices in Indiana field crops. We have an interdisciplinary plant pathology research and extension program involved in studying the biology and management of soilborne and foliar pathogens of agronomic crops.

CONTACT US

Department of Botany and Plant Pathology
dtelenko@purdue.edu
915 Mitch Daniels Blvd.
Lilly Hall Room 1-317
West Lafayette, IN 47907
Tel: 765-496-5168

Weekly Image Spotlight

2023 Tar Spot Distribution Map - IN
2023 Southern Rust Distribution Map - IN

IN-SEASON UPDATES AND FEATURED RESEARCH

Foliar Diseases of Wheat and Fusarium Head Blight (Scab) Management

April 22, 2024

It is time to keep an eye on wheat for diseases and scab risk.  There are a number of foliar diseases in wheat to watch out for. These include – leaf, strip and stem (Fig. 1A,B,C), Septoria leaf spot and

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Field Crop Disease Monitoring Resources for Indiana

April 22, 2024

There are a number of resources available for monitoring field crop diseases here in Indiana. The Purdue Field Crop Pathology Team will be tracking diseases across Indiana and will post updates here and in Pest & Crop. You can also

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The summary of the 2023 Applied Research in Field Crop Pathology Publication is Now Available!

March 1, 2024

Download here

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Stalk and Ear Rots: The Importance of Identifying Them Now to Help with Harvest Decisions.

September 21, 2023

Darcy Telenko and Dan Quinn. It is now time to evaluate fields for any stalk or ear rot symptoms. This will aid in making assessments about field harvest order and if there is a risk of mycotoxin contamination. There are

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Red Crown Rot of Soybean: What to do if you suspect it is in your field.

August 23, 2023

Red crown rot of soybean has become a new concern this season in Indiana after a few localized occurrences have been found this year. This disease is caused by the soilborne fungus, Calonectria ilicicola. At this point in the field

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Tar Spot and Southern Corn Rust Update in Indiana

August 23, 2023

Southern corn rust has been confirmed in two counties (Knox and Daviess) this week both at low levels in Indiana (Figure 1). While tar spot continues to be documented across the state (Figures 2). I suggest if you have not

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Tar spot update in Indiana

August 3, 2023

We continue to confirm counties with active tar spot. Eighteen counties have been confirmed as of Aug 3, 2023. These counties all had a previous history: Porter, LaPorte, Jasper, Pulaski, Fulton, Marshall, Kosciusko, Benton, Tippecanoe, Carroll, Howard, Tipton, Clinton, Montgomery,

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Indiana Disease Update in Corn

July 26, 2023

Corn Tar Spot – We continue to confirm counties with active tar spot. Twelve counties have been confirmed as of July 26, 2023. These counties all had a previous history: Porter, LaPorte, Jasper, Pulaski, Marshall, Kosciusko, Benton, Tippecanoe, Carroll, Tipton,

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Field Crop Disease Update in Indiana-July 13

July 13, 2023

Darcy Telenko, Extension Field Crop Pathologist It is important to continue to scout for diseases in both corn and soybeans. Recent rains have created favorable environmental conditions for the development of foliar diseases in both crops. In our scouting rounds

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Time to Scout for Diseases in Field Crops: What to Look for in Corn

June 27, 2023

We have NOT found active tar spot in Indiana yet. Corn growth stages are quite variable across Indiana but a number of areas with early planted corn about waist high. Recent news that tar spot was found in Iowa, Missouri,

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Foliar Diseases of Wheat and Fusarium Head Blight (Scab) Management

May 17, 2023

Wheat is starting to head out across the central and northern Indiana, with flowering not too far behind. Our plots in southern Indiana hit early anthesis (flowering) last week. Rainy, wet conditions can favor many fungal diseases in wheat. Our

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Tactics to Consider for Tar Spot Management in Indiana for 2023

April 5, 2023

In Indiana, tar spot has been an annual concern since 2018 when growers experienced 20-60 bu/A loss. In 2021 favorable weather conditions led to another severe epidemic where reports of 50% yield loss occurred. This last year, we had a

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