Tony Adesemoye - Extension Plant Pathologist

Tony Adesemoye

Faculty Bio

Dr. Adesemoye's lab focuses on soil-borne pathogens and integration of biological control with other plant disease management methods.
Wheat streak mosaic virus in wheat
Severe wheat streak mosaic virus in a wheat field in Deuel County on May 15, 2017. (Photo by Stephen Wegulo)

Why Control of Volunteer Wheat is Critical to Protecting 2018 Yields July 13, 2017

Timely control of volunteer wheat and other weeds is key to managing yield loss risk in your 2018 crop. Yield-limiting risk factors affected by weed control include wheat streak mosaic and other diseases, insects (wheat stem sawfly and disease vectors), moisture loss, and increased weed seed production.

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Wheat exhibiting yellow streak of cephalosoprium leaf stripe
Cephalosporium stripe symptoms on wheat leaves with prominent yellow color. (Photos taken in North Platte on May 25, 2017)

Cephalosporium Leaf Stripe Developing in West Central Wheat May 25, 2017

Cephalosporium stripe, caused by a soilborne pathogen, is developing in wheat in west central Nebraska and may reduce yields if severe.

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Field pea

Field Pea Seeding Rates, Seeding Depth, and Inoculant March 13, 2017

Grain-type field peas are a cool season grain crop grown as an alternative for no-till summer fallow in a semiarid cereal-based cropping systems such as wheat-corn-fallow and/or wheat-fallow. They are typically planted in mid-March and harvested late-July. This article reports on research conducted on seeding practices and offers recommendations for producers on the economically optimal seeding rate, seeding depth, and inoculant to grow field peas in western Nebraska.

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field pea comparison
Figure 1. Comparison of water use of two systems -- summer fallow and field peas -- between March 27 and July 20. (Photos by Stranhinja Stepanovic)

Field Pea Production: Rotational Costs and Benefits March 10, 2017

Research findings show benefits in soil nutrient cycling, water infiltration, and microbial activity from replacing fallow with grain-type field peas in a wheat-fallow rotation in western Nebraska.

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New Financial Assistance for Organic Producers January 6, 2017

Beginning on March 20, certified organic producers may apply through the Farm Service Agency (FSA) for federal assistance for certification cost share reimbursement.

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Bacterial Leaf Streak of Corn
Bacterial Leaf Streak of Corn

Bacterial Leaf Streak of Corn Confirmed in Nebraska, Other Corn Belt States August 26, 2016

Bacterial leaf streak disease of corn, caused by Xanthomonas vasicola pv. vasculorum, has now been confirmed in multiple Corn Belt states. First identified in Nebraska, the bacterial disease has symptoms similar to other corn diseases, such as gray leaf spot, but is managed differently.

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Wheat streak mosaic
Wheat streak mosaic

Control Volunteer Winter Wheat and Other Weeds Now to Increase and Protect 2017 Yields, Income June 23, 2016

By far, the greatest risk of losses from mite-vectored viruses occurs when there is a summer "green bridge" of volunteer wheat emerging before harvest. This almost always occurs as a result of wheat seed head shatter from hail storms (Figure 1).

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Soybean seedling damage
Soybean seedling damage

Herbicide Injury and Pathogen Infection on Soybean Seedlings June 17, 2016

In an ongoing survey for soilborne pathogens in soybeans, closer examination of soybean seedling injury in a Keith County field found several causes, including herbicide injury and damping off from Fusarium or Rhizoctonia root rot.

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