Tamra Jackson-Ziems, Extension Specialist and Professor, joined the faculty of the Department of Plant Pathology at the University of Nebraska-Lincoln (UNL) in April 2005 after completing her graduate degrees at the University of Arkansas and University of Illinois-Urbana. Her appointment is split between extension, research, and teaching 80/10/10%, respectively, with statewide responsibility for diseases of corn and grain sorghum. Her extension activities encompass educating clientele about disease identification, prevention, and management. And her research projects encompass a broad range of topics, including bacterial leaf streak, Goss’s bacterial wilt and blight, use of fungicides for disease control, and plant parasitic nematodes of corn. During her time at UNL, she has delivered more than 180 invited presentations in 16 states and is the 2016 recipient of both the Nebraska Cooperative Extension Association’s Award for Outstanding Creative Programming (for an individual) and the Nebraska Ag Business Association’s Education and Research Person of 2016 Award.
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Twitter:@tjcksn
YouTube:Corn Disease VideosatUNL CropWatch
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Southern Rust of Corn Confirmed in Southeast Nebraska
July 16, 2020
Southern corn rust was confirmed on corn leaf samples from Fillmore, Nuckolls and Johnson counties in southern Nebraska this week. Warm, humid conditions may favor disease development, so fields in this area should be monitored frequently in the coming weeks.
Fungicide Resistance and Management of Frogeye Leaf Spot of Soybean in Nebraska
June 24, 2020
The results from field trials suggest an integrated disease management approach including tillage (when practical), crop rotation, resistant varieties, seed treatment, and timely application of mixed-mode of action fungicides provides the best control.
Corn Ear Development Impacts from Post-emergence Pesticide Applications
June 4, 2020
Corn ear abnormalities have been noted the past few years. Tracing back the information on various field calls often pointed to a misunderstanding of proper growth stages when making post-emergence herbicide applications in addition to pre-tassel fungicide and insecticide applications.
Q & A: What is Causing Problems with Soybean Emergence?
June 4, 2020
过去的两周里,我们收到了很多卡路里ls regarding injured soybean plants during emergence. Additional questions include “What caused this?” and “Do I need to replant?” The following is what we’ve seen thus far.
Soybean Disease Update
March 19, 2020
Plants under stress due to environmental factors, such as extreme temperature and moisture are more susceptible to disease, and many were under stress due to the unique environmental conditions in 2019.
What’s New in Plant Pathology
March 19, 2020
Fungicide resistance was confirmed in soybean samples from 10 Nebraska counties infected with the frogeye leaf spot pathogen. Tar spot, a fungal disease of corn, has been confirmed in numerous western Iowa counties and is likely to reach Nebraska in 2020.
Corn Disease Update
January 8, 2020
在2019, wet weather during the growing season favored the development of numerous corn diseases including Physoderma brown spot, bacterial leaf streak, stalk rot diseases, and ear rot diseases. This update highlights these diseases, the environmental factors that favor their development, and their management.
Why Should You Prepare and Use Crop Budgets?
December 4, 2019
The 2020 Crop Production Budgets for Nebraska are now available. They include 80 budgets for 15 crops, available in both PDF and customizable Excel formats.