PPDC Clinic Crop Disease Reports July 20-August 3
August 4, 2017
Crop diseases identified by district in samples submitted to the UNL Plant and Pest Diagnostic Lab from July 20 to August 3.
Nebraska Counties where Southern Rust Has Been Confirmed in Corn
August 3, 2017
As of Aug. 3 southern rust had been confirmed in 26 Nebraska counties by the University of Nebraska Plant and Pest Diagnostic Lab. This map is updated as new confirmations are made.
Crop Diseases Confirmed by PPDC July 10-26
July 27, 2017
The following diseases were reported in samples submitted to the UNL Plant and Pest Diagnostic Lab July 10-26.
Corn Disease Update: Southern Rust Increasing; Diplodia New to Nebraska
July 27, 2017
Warm, wet conditions across Nebraska the past two weeks created optimal conditions for crop diseases. This update looks at identification and management of three diseases in corn: southern rust, which is expanding in the state, bacterial leaf streak, and diplodia, which is new to Nebraska.
Phytophthora Root and Stem Rot Developing in Soybeans
July 27, 2017
As conditions heated up the last two weeks, the fungus causing phytophthora root and stem rot became active in irrigated fields and those fields that received significant rain over the past couple weeks. Growers are encouraged to scout for this disease and, if found, manage through seed selection and treatment for the next crop.
Southern Rust Confirmed in Corn in 8 Eastern Nebraska Counties
July 19, 2017
Southern rust has been confirmed in corn in 8 eastern Nebraska counties and growers are urged to scout vigilantly to schedule optimal timing of treatment, if needed. Most systemic fungicides can provide protection of leaves from future infections for 21-28 days.
Crop Diseases Confirmed by Plant & Pest Lab June 27 - July 13
July 14, 2017
A number of diseases were confirmed in corn, soybeans, and hops in the past two weeks.
Several Corn Diseases Developing Across Nebraska
July 13, 2017
Several diseases, as well as other problems that look like diseases, have been confirmed in corn samples from around the state. These diseases can be difficult to differentiate from each other and from abiotic causes. This story offers photos and brief descriptions to aid your diagnosis before making treatment decisions.