Weed Management

Common mullein

Managing Common Mullein this Fall

September 27, 2017
Fall is an excellent time to ramp up control measures against common mullein, whose rosette stage is highly susceptible to herbicide in the fall as nutrients are translocated to the roots for next years’ growth.

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thistle rosette

Controlling Thistles in October

September 25, 2017
Timing is everything, especially with thistle control in pastures. October and November are the optimum times to control these weeds even if they can be hard to see at this time.

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Auricles of Canada wildrye
Figure 1. This new Nebraska Extension circular offers information on distinguishing the major grasses found in Nebraska cropland when they're small and should be managed. (A) Auricles of Canada wildrye clasping the stem, and (B) ligule and auricles of Canada wildrye.

New Nebraska Resource on Identifying Grass Weeds in Crops

September 13, 2017
A new Nebraska Extension guide shows how to identify and differentiate various grass weeds common to Nebraska agronomic fields.

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Dicamba injury
Figure 1. Dicamba injury to 40 acres of soybean near Geneva due to volatility/temperature inversion. (Photo by Amit Jhala)

Tell Us about Your Dicamba Use and Suspected Injury in Soybean

August 18, 2017
Nebraska Extension educators and specialists would like to hear from growers and agribusiness about their experiences with dicamba this season. Information can be shared via an online survey or by contacting them directly with the email provided.

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Figure 1.  Red Willow County winter wheat variety plot.

Post-Harvest Weed Control in Winter Wheat

July 14, 2017
A strategy combining well-timed herbicide applications, split treatments, and effective cultural practices is key to managing weeds in wheat to reduce soil moisture loss and the weed seed bank. This story addresses what to consider as well as particular weed challenges in wheat.

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Dicamba injury symptoms in a Roundup Ready soybean field
Figure 1. Dicamba injury symptoms in a Roundup Ready soybean field near Geneva. (Photos by Amit Jhala)

Dicamba Injury Reports Rise in Nebraska

July 18, 2017
Reports of suspected dicamba injury to soybean and other sensitive crops are increasing. The author reviews application windows for dicamba in corn, a possible area of concern, and outlines what growers can do if they suspect dicamba injury in their fields.

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Liberty Link soybeans
Figure 1. Control of glyphosate-resistant common waterhemp with Valor XLT applied PRE followed by Liberty in Liberty Link soybean (Photos by Amit Jhala).

Liberty Label Revision Allows Rate Increase

July 13, 2017
Liberty has revised its label to provide for an increased application rate in corn and soybean. View the new label rates for corn and soybean with a cumulative maximum per year of 87 fl oz/acre for either crop.

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Wheat streak mosaic virus in wheat
Severe wheat streak mosaic virus in a wheat field in Deuel County on May 15, 2017. (Photo by Stephen Wegulo)

Why Control of Volunteer Wheat is Critical to Protecting 2018 Yields

July 13, 2017
Timely control of volunteer wheat and other weeds is key to managing yield loss risk in your 2018 crop. Yield-limiting risk factors affected by weed control include wheat streak mosaic and other diseases, insects (wheat stem sawfly and disease vectors), moisture loss, and increased weed seed production.

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