Research Blog

2020 Field Crops Pathology Research Activities

By Darcy E P Telenko | April 22, 2020

Welcome to the Telenko Lab Research Blog! We hope to use this space to provide updates on all the exciting research our team is undertaking. Year two of our field season is off to an interesting start working under new COVID-19 guidelines. Our lab is involved with a wide assortment of critical agricultural research on […]

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Graduate Ag Research Spotlight – Tiffanna Ross

By Darcy E P Telenko | October 1, 2020

https://ag.purdue.edu/arge/Pages/Spotlight-Ross.aspx

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Management of white mold in soybean using targeted biofungicides

By Audrey Conrad | April 22, 2020

White mold in soybean is caused by the pathogen Sclerotinia sclerotiorum. The typical symptoms of white mold include white fluffy growth on stems and leaves in the lower canopy early in the season and leaf wilting, yellowing, and premature senescence later in the season. Significant yield losses resulting from severe S. sclerotiorum infection have been […]

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Managing corn tar spot in northern Indiana.

By Tiffanna Ross | April 27, 2020

Tar spot is a foliar disease of corn that has emerged as a dire economic threat to the United States Corn Belt. Tar spot is caused by an obligate fungal pathogen Phyllachora maydis which reduces corn grain yield and quality. The economic impact of tar spot in the U.S. is predicted at $231 Bil reduction in […]

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Phyllachora maydis, population structure and basis of emergence and spread in U.S. Corn production

By Tiffanna Ross | April 20, 2020

Phyllachora maydis, a fungal obligate pathogen is the causal agent of tar spot of corn. Tar spot of corn; a foliar disease reduces corn stover, stalk, silage, grain yield, and quality. P. maydis is endemic to Latin America where it was first documented in Mexico in 1904. P. maydis has been restricted there for hundreds of […]

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Quinone outside inhibitors (QoI) fungicide resistance in frogeye leaf spot of soybean in Indiana.

By Natalia Pineros Guerrero | April 24, 2020

Frogeye leaf spot (FLS) is caused by the fungal pathogen Cercospora sojina Hara., and reduces soybean yields in most of the major soybean-producing countries in the world. FLS is commonly found in hot and humid regions of southern states in the United States. However, this disease has recently become a key disease in Indiana and […]

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Soybean Sudden Death Syndrome (SDS): Integrated Management Tactics for SDS, FvTox1 Expression and SDS Hyperspectral Sensing

By Mariama Brown | April 27, 2020

Soybean Sudden death syndrome (SDS) is known to be one of the most yield limiting soybean diseases in the United States. SDS is caused by a soil borne pathogen (F. virguliforme) which results in a two-stage symptom development: i. root necrosis followed by ii. foliar symptoms of interveinal chlorosis and necrosis, that occurs late in […]

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Tar spot of corn – draft genome resource

By Darcy E P Telenko | April 16, 2020

Tar spot of corn is caused by Phyllachora maydis. This disease has recently led to significant yield loss in the U.S. and in Indiana. Our lab is actively involved in research to better understand its biology and management. We recently completed and released a draft genome sequence of Phyllachora maydis. More information about this resource can be found […]

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Wheat Scab

By Darcy E P Telenko | April 16, 2020

Fusarium head blight or scab, caused by Fusarium graminearum, severity on wheat vary each year in Indiana. The disease is consistently present and of concern to growers. Cultivars with moderate resistance to Fusarium head blight do not always provide desirable levels of disease control in certain environments, and fungicides have become an important component in […]

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