Stevan Knezevic - Extension Weed Management Specialist

Stevan Knezevic

faculty
Work Keim Hall (KEIM) 102C
Lincoln NE 68583-0915
US
Work 402-472-6498 On campus, dial 2-6498

Faculty Bio

Young palmer amaranth weed in a field
Young palmer amaranth weed in a field plot at the West Central Research, Education and Extension Center in North Platte. (Photo by Milos Zaric)

Updates on Dicamba Products (Engenia, Tavium and XtendiMax) Applied in Dicamba-tolerant Soybean in Nebraska

February 12, 2024
UPDATED: Extension advises Nebraska soybean producers on the 2024 growing season after a Feb. 6 federal court ruling vacated registrations of dicamba-based herbicides Xtendimax, Engenia and Tavium.

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Flame weeding demonstration
Several local organic farmers who utilize flame weeding will share their experiences with the technique during the workshop Aug. 15 at the Eastern Nebraska Research, Extension and Education Center.

Flame Weeding Workshop on Aug. 15 at ENREEC

June 27, 2023
The workshop will feature demonstrations on how to do proper flaming to control over 10 major Midwestern weeds in field corn, sweet corn, popcorn, soybean, sorghum, sunflower and wheat.

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Weed Management in Storm-damaged Soybean

June 30, 2022
If considering post-emergence herbicide as an option for weed control in storm-damaged soybean, it's important to check the maximum amount of active ingredient that can be applied to avoid crop injury.

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Velvetleaf

Control of Velvetleaf with Post-emergence Herbicides in Popcorn

August 12, 2021
Results of a study evaluating the efficacy and crop safety of labeled post-emergence herbicides to control velvetleaf, a major agricultural weed in Nebraska that reduces yields in popcorn if not controlled.

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Volunteer corn

Control of Roundup/Liberty Resistant Corn Volunteers in Enlist Corn

August 5, 2021
Results of a study evaluating Assure II for Roundup/Liberty-resistant corn volunteer control in Enlist corn and correct timing of application for use in corn-on-corn production systems.

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Weed guide customer map
Figure 1: Weed Guide customers across the USA (data from UNL Marketplace, 2019). (Photo by Stevan Knezevic)

Extension Marks 61 Years of Weed Guide with User Survey

May 5, 2021
Producers and other agricultural professionals are invited to participate in an anonymous survey about how they utilize Nebraska Extension's Guide for Weed, Disease, and Insect Management in Nebraska.

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Broadleaf cover crop
When using a burndown herbicide to terminate broadleaf cover crops and weeds this spring, planting intervals often may negate the use of many 2,4-D products prior to Enlist E3® soybean planting. (Photos by Amit Jhala).

Which 2,4-D Product Should I Use as a Burndown Before Planting Enlist E3® Soybean?

April 22, 2022
A review of the best production options for growers who are preparing to terminate broadleaf cover crop species and winter annual broadleaf weeds using 2,4-D products.

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click to read Industrial Hemp Tolerance to Flame Weeding

Industrial Hemp Tolerance to Flame Weeding

November 30, 2020
Hemp exhibited relatively good tolerance to heat from propane flaming. Temporary injury could be considered acceptable since it was only at the base of the plants and lasted only for about two weeks.

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