Amit Jhala - Extension Weed Management Specialist

Soybean field treated with Sonic herbicide

New Soybean Herbicides for 2017 March 6, 2017

Information on new soybean herbicides, incuding their modes of action

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New Corn Herbicides for 2017 February 24, 2017

Information on new herbicides for corn that will be available for the 2017 crop production season.

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Section of the Herbicide Classification Chart
Section of the Herbicide Classification Chart

2017 Chart for Selection of Herbicides Based on Site of Action February 2, 2017

Management of glyphosate-resistant weeds is now the greatest challenge for Nebraska crop producers and land managers. The 2017 Herbicide Classification Chart from Take Action Against Weeds is an easy means for identifying herbicide site of action to avoid repeated use of the same action on the same field.

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Field trial with Roundup Ready 2 Xtend soybeans and a pre and post herbicide application.

Understanding the Roundup Ready 2 Xtend™ Soybean Weed Management System November 11, 2016

A new soybean cultivar with dicamba-tolerant Roundup Ready 2 Xtend™ soybean is expected to be planted on over 15 million acres in 2017, offering an additional means of managing herbicide-resistant weeds. The weed management system, which was tested the last four years in Nebraska trials, provides for use of Roundup Xtend™ of XtendiMax™ (dicamba).

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CW Q&A
CW Q&A

Q&A: Which formulation of 2,4-D is preferred for fall application? November 4, 2016

Answers to three grower questions on fall herbicide application in row crops.

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Debalin Sarangi, weed science postdoctoral research associate, describes the key identifying characteristics of broadleaf and grass weed species during weed management field day
Figure 1. Debalin Sarangi, weed science postdoctoral research associate, describes the key identifying characteristics of broadleaf and grass weed species during a 2016 weed management field day.

New Herbicides & Managing Multiple Herbicide-Tolerant Crops July 28, 2016

In Nebraska, eight weed species (common ragweed, common waterhemp, giant ragweed, kochia, marestail, Palmer amaranth, redroot pigweed, and shattercane) have been confirmed resistant to at least one herbicide.  Six of them — common ragweed, common waterhemp, giant ragweed, kochia, marestail, and Palmer amaranth — have been confirmed resistant to glyphosate in Nebraska. This article reviews information presented at the Weed Management Field Day at the UNL South Central Ag Lab, focusing on field demonstrations and methods to reduce the development of further herbicide resistance.

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Figure 1. Amit Jhala, Extension Weed Management Specialist discussing weed control and crop safety in new multiple herbicide-tolerant soybeans.
Figure 1. Amit Jhala, extension weed management specialist, discussing weed control and crop safety in new multiple herbicide-tolerant soybeans.

142 Attend 2016 Weed Management Field Day July 11, 2016

UNL weed management research was featured and demonstrated at the 2016 Corn and Soybean Weed Management Field Day June 29 at UNL’s South Central Agricultural Laboratory (SCAL) near Clay Center. Amit Jhala, Extension weed management specialist, organized and led the tour.

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Resistant Palmer Amaranth Management Field Day at Shickley June 8, 2016

Nebraska Extension will be hosting a Resistant Palmer Amaranth Management Field Day Tuesday, July 12, near Shickley to demonstrate control options in corn. Keynote speaker will be Jason Norsworthy, professor and endowed chair of Weed Science at the Unversity of Arkansas. Norsworth has documented eight herbicide-resistant weeds in Arkansas, including glyphosate-resistant Palmer amaranth.

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