Weed Management

weed science school flyer

Weed Science School Jan. 29 near Mead

January 9, 2020
University, government, and industry speakers will address current weed science issues as well as recommendations for improving herbicide applications. The school will be held at the Eastern Nebraska Research and Extension Center near Mead, starting at 8:30 a.m. and ending at 3.45 p.m.

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Thistle rosette - best controlled in the fall.
Figure 1. This fall scout for and treat small thistles before they become more difficult to treat next spring.

Thistle Control in October

September 19, 2019
Timing is everything when controlling troublesome #thistle patches. Herbicides work best in the fall when rosettes are small.

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Popcorn at V9 growth stage where PRE herbicide had been applied

Pre-emergence Herbicide Delays the Critical Time of Weed Removal in Nebraska Popcorn

September 9, 2019
Understanding the critical time of weed removal (CTWR) and how a pre-emergence herbicide application can shift it is helpful for designing the most efficient weed management program in popcorn.

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Wheat field with significant standing residue following harvest
Using a stripper header can leave significant standing residue to catch more snow in winter and reduce soil moisture evaporation. It also will taken longer to decompose, protecting the soil over a longer period. (Photos by Bob Klein)

Managing Wheat Residue and Controlling Weeds

August 30, 2019
Due to the late wheat harvest throughout western Nebraska, weeds growing in unharvested fields grew much longer than usual. In some fields weeds matured and produced seed. These weed control measures and residue management will be particularly important for the next wheat crop.

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Suspected off-target dicamba injury to soybean. Cupped leaves are often indicative of dicamba injury. (Photos by Amit Jhala)
Figure 1. Suspected off-target dicamba injury to soybean. Cupped leaves are often indicative of dicamba injury. (Photos by Amit Jhala)

Dicamba Off-Target Injury Continues in 2019 in Nebraska

August 16, 2019
As the crop season progresses, questions about dicamba off-target injury in soybean, broadleaf crops, and trees are increasing in Nebraska. If you suspect off-target injury in one of your fields, here's a reminder of what to do.

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Virus infected wheat
Figure 1. The wheat-mite-virus complex has extreme potential to impact yield the following year if high risk volunteer wheat situations are not managed well. (Photo by Gary Hein)

Why It's So Important to Control Volunteer Wheat and Weeds in Wheat Stubble After Harvest

June 22, 2023
Volunteer wheat can provide the summer "green bridge" for the disease wheat streak mosaic and other virus diseases, as well as soil water loss that could translate into a substantial decrease in yields the following year.

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Figure 1. Weeds that are cut off with the combine header will need to regrow before they can be controlled.
Figure 1. Weeds that are cut off with the combine header will need to regrow before they can be controlled.

Controlling Weeds Post-Harvest in Winter Wheat

July 12, 2019
Wet weather this year made timely herbicide applications in winter wheat difficult, allowing substantial weed populations to get a foothold. The author discusses cultural and chemical options for weed management.

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KSU: Pre-harvest Weed Control in Wheat - Sharpen Update

July 11, 2019
A Kansas State University weed scientist discusses pre-harvest options for managing weeds in winter wheat, including advantages and disadvantages of various labeled herbicides.

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