Ear and Stalk Rot Diseases Becoming More Common in Corn Fields
October 13, 2016
Ear rot diseases have been observed and stalk rot diseases are becoming increasingly common. It’s important to scout for stalk rot diseases now to determine which fields are at greatest risk of lodging and should be harvested first. Although it is unknown if ear rot diseases are widespread, it’s also important to scout for ear rot diseases to know how to better handle affected grain at harvest to prevent or minimize impacts on grain quality.
Scouting for Stalk and Ear Rot Diseases
September 29, 2016
Stalk rot diseases are increasing in corn, causing top die-back in a number of fields, and ear rot diseases are developing in some fields. Scout fields now to help determine the need for any adjustments in your harvest management.
Stalk Rot Diseases Including Anthracnose Top Dieback Developing in Some Fields
September 9, 2016
While most of the Nebraska corn crop looks good, there is early evidence of developing stalk and crown rot diseases, including Anthracnose top dieback. Producers are encouraged to scout their fields for disease and prioritize those fields for harvest where lodging may become an issue.
Corn and Soybean Diseases Reported by UNL PPDC
September 9, 2016
The following diseases were reported in samples submitted to the UNL Plant and Pest Diagnostic Lab July 1 to Sept. 8.
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.
Soybean/Corn Disease Update and Field Day Aug. 24 near Auburn
August 4, 2016
Nebraska Extension will be hosting a Soybean/Corn Disease Update and Field Day Wednesday August 24 in Nemaha County.
Corn Disease Update: Southern Rust Confirmed in 10 Nebraska Counties
July 29, 2016
Southern rust has been confirmed in samples from 10 Nebraska counties — Adams, Butler, Clay, Fillmore, Lancaster, Nuckolls, Pierce, Polk, Thayer, and Valley. All were from fields with a low incidence of disease at the time. Growers should also be scouting for rust as well as gray leaf spot, common rust, and physoderma brown spot.
Corn Disease Updates Aug. 4-5; Samples Welcomed
July 28, 2016
Corn Disease Updates, hosted by Nebraska Extension and sponsored by the Nebraska Corn Board, will be held at three more sites in the next two weeks.