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Tag "waterhemp"

Herbicide Resistance: Are We at a Tipping Point with Weed Control?

Herbicide Resistance: Are We at a Tipping Point with Weed Control?

👤By Lauren Quinn, University of Illinois 🕔Oct 4, 2017

Researchers from the University of Illinois and the University of Arizona recently teamed up to consider the possibility that we’ve reached a critical tipping point in our ability to control agricultural weeds with the herbicides currently on the market.

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Louisiana: Weeds Are a Year-Round Problem

Louisiana: Weeds Are a Year-Round Problem

👤By Josh Copes, Daniel Stephenson, Donnie Miller, and Lauren Lazaro, LSU AgCenter Extension Specialists 🕔Oct 3, 2017

Prolonged rains coupled with the high temperatures during August delayed harvest, caused crop damage, and environmental conditions were optimal for weed growth.

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Michigan: Herbicide-Resistance Screening Has Begun at MSU Diagnostic Services

Michigan: Herbicide-Resistance Screening Has Begun at MSU Diagnostic Services

👤By Erin Hill, Michigan State University Diagnostic Services 🕔Sep 21, 2017

Autumn is upon us; crops are nearing maturity and so are the weeds that remain in the fields. If you are concerned those weeds may be herbicide-resistant, consider submitting a sample to Michigan State University Diagnostic Services for screening. We

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Minnesota: Dicamba – Resistant Weeds Need More Than Herbicides for Control

Minnesota: Dicamba – Resistant Weeds Need More Than Herbicides for Control

👤By Jeff Gunsolus, Lisa Behnken, and Fritz Breitenbach, University of Minnesota Extension Specialists 🕔Sep 20, 2017

As you strategize future weed management plans, we would like for all of us to rethink the dicamba issue. Think about what brought on this issue in the first place: weed resistance to multiple groups of herbicides.

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Dicamba Faces State Restrictions Based on Weed Science Data – DTN

Dicamba Faces State Restrictions Based on Weed Science Data – DTN

👤By Emily Unglesbee DTN Staff Reporter 🕔Sep 18, 2017

Among all the buzz and blame surrounding the dicamba injury crisis of 2017, Purdue University weed scientists Bill Johnson and Joe Ikley have tried to answer a simple question for farmers.  How often could an applicator legally spray dicamba this

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Michigan: Herbicide-Resistance – Reduce Spread of Weed Seed During Harvest, Tillage Operations

Michigan: Herbicide-Resistance – Reduce Spread of Weed Seed During Harvest, Tillage Operations

👤By Mike Staton and Christy Sprague, Michigan State University Extension Specialists 🕔Sep 14, 2017

Herbicide-resistant weeds such as Palmer amaranth, waterhemp and horseweed (marestail) are spreading across Michigan, increasing weed control costs and yield losses in soybeans. Because of this, producers need to take action to prevent or reduce the spread of these weeds.

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Herbicide Rotation Ineffective Against Resistance in Waterhemp, Says Study

Herbicide Rotation Ineffective Against Resistance in Waterhemp, Says Study

👤By Lauren Quinn, University of Illinois 🕔Sep 6, 2017

Farmers have been battling herbicide-resistant weeds for generations. A common practice for most of that time has been to rotate between different herbicides every season. But despite farmers’ best efforts, herbicide resistance has grown through the years, with some weed

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Weed Control: ‘Late-Season Weed Escapes Can’t be Found in a Jug’ – DTN

Weed Control: ‘Late-Season Weed Escapes Can’t be Found in a Jug’ – DTN

👤By Emily Unglesbee DTN Staff Reporter 🕔Aug 24, 2017

The healthiest crop in some fields this fall isn’t corn or soybeans — it’s weeds. Towering above soybeans and poking out of cornfields, waterhemp, marestail, Palmer amaranth and giant ragweed escapes represent a lot more than lost yield. They promise

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Iowa Crops Update: Widespread Rainfall Benefited Soybeans and Corn, August 15-23

Iowa Crops Update: Widespread Rainfall Benefited Soybeans and Corn, August 15-23

👤By Rebecca Vittetoe, Iowa State University Extension Agronomist 🕔Aug 24, 2017

Iowa State University Extension and Outreach field agronomists report crop conditions in NW, NE, and SE Iowa.  Northwest Iowa Joel DeJong (Region 1): “The rainfall amounts in NW Iowa during the past two weeks have been quite generous, for the most part. Some in the

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Ohio: Palmer Pigweed – Late Season Scouting Tips

Ohio: Palmer Pigweed – Late Season Scouting Tips

👤By Mark Loux, Ohio State University Extension Weed Specialist 🕔Aug 23, 2017

Palmer amaranth has shown up in a few more places in Ohio this summer at a range of infestation levels, and waterhemp has also become more prevalent. Newly discovered Palmer infestations in some fields were too high to be remediated

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