eUpdate Articles Tagged: herbicide


Consider fall treatments for control of marestail in soybeans

weeds fall-applied weed control herbicide marestail soybeans 

Controlling annual weeds with fall-applied herbicides ahead of corn and sorghum

weeds fall-applied kochia herbicide weed control corn sorghum 

Update on dicamba applicator training for 2019

dicamba application training herbicide 

Late-winter preplant applications for kochia control

weeds winter weed control kochia herbicide 

Palmer amaranth resistance to 2,4-D and dicamba confirmed in Kansas

planting weed control herbicide dicamba palmer amaranth weeds 

Cover crop termination considerations

Now is the time to begin considering how to terminate winter cover crops in preparation for summer crops. Some cover crop species, such as oilseed radish or fall-planted oats, are likely to be killed by freezing over the winter. But, many cover crops will need to be terminated by mechanical or chemical methods in the spring.

weeds cover crops herbicide 

Considerations for pre-emergence herbicides

Pre-emergence, soil-active herbicides applied around the time of planting are an important part of a good weed management program. However, variability in spring weather leads to concerns about both weed control and crop injury.

weed control herbicide pre-emergence crop injury 

Federal court vacates registration of some dicamba herbicide labels

On June 3, the Ninth Circuit Court of Appeals in San Francisco issued a decision that nullifies the current labels for Engenia, FeXapan, and XtendiMax herbicides. Weed Science Specialist Sarah Lancaster discusses this decision and what is known at this point.

dicamba herbicide 

UPDATED - EPA approves labels for over-the top dicamba application

The article has been updated slightly from the original version published on October 30. Stay up -to-date on the recent EPA ruling concerning certain over-the-top dicamba products.

dicamba label requirements herbicide EPA 

Cover crop termination considerations

Now is the time to begin considering how to terminate winter cover crops in preparation for summer crops. While some species will be killed due to freezing over the winter, others will need to be terminated by mechanical or chemical methods.

weeds cover crops herbicide termination 

Late winter kochia control in fields going to soybeans, sunflowers, and wheat

This is the third and final article in a series discussing pre-emergence herbicides for kochia control. For this article, we cover recommendations specific to fields that will be planted to soybean or sunflower this spring and wheat in the fall.

weed control kochia herbicide pre-emergence 

Herbicide application practices in Kansas

The K-State Weed Science Extension team is looking for your input! Herbicide application practices such as sprayer speed and spray volume influence weed control as well as whole-farm efficiency. Please consider filling out a short survey related to this topic.

survey herbicide herbicide application 

Understanding herbicide modes of action

Weed scientists at K-State have released a revised publication on the different modes of action of herbicides. This in-depth resource describes how herbicides work to control weeds. There are descriptive graphics and full-color photos throughout the text.

publication herbicide weed control  

Survey: Herbicide application practices in Kansas

If you did not get a chance to participate in a short survey about your herbicide application practices back in February, you have another chance! Help out the Extension Weed Science Team and fill out this short survey! Thank you!

survey weed control herbicide herbicide application 

Cover crop response to herbicides

As September begins, some producers are thinking about seeding winter cover crops in fields currently planted to corn. The successful establishment of winter cover crops is influenced by several factors. This article provides some additional details about cover crop responses to various herbicides.

weed control cover crops herbicide termination herbicide injury 

Paraquat: What you need to know for use in 2022

Paraquat is a restricted use herbicide that was first commercialized in the 1960s and is one of the most widely applied herbicides in the United States. This article discusses recent changes made by the EPA in 2021 regarding the proper use of this herbicide.

label requirements paraquat application training herbicide 

Dicamba training options in 2022

Anyone spraying XtendiMax, Engenia, or Tavium is required to have training each year prior to using these products. These products are restricted use pesticides and can only be applied by certified applicators.

dicamba application training herbicide 

Herbicides for damaged brome hayfields

The fall of 2021 was hard for brome growers. Decisions will need to be made about whether to replant or wait and hope for regrowth. When considering the best weed control option, this article offers recommendations for brome fields.

herbicide hayfields brome 

Cover crop termination considerations

Now is the time to begin considering how to terminate winter cover crops in preparation for summer crops. Some cover crop species are likely to be killed by freezing over the winter. But, many cover crops will need to be terminated by mechanical or chemical methods in the spring. Learn more in this article!

weeds herbicide termination Cover Crops 

Correction to the 2022 Chemical Weed Control Guide for Reviton

Despite our pre-publication reviews, we have found an error in the 2022 Chemical Weed Control Guide. The product Reviton should not be applied to emerged crops. Corrections have been made to the online version of the Chemical Weed Control Guide. This article provides the corrections for those with a paper copy.

herbicide Weed Control Guide  

Pay attention to growth stage for spring herbicide decisions on wheat

Producers should pay close attention to the growth stage of their wheat before making spring herbicide applications. Some herbicides must be applied after tillering, several must be applied before jointing, and others can be applied through boot stage.

wheat herbicide spring 

Delayed Preemergence Herbicide Applications in Corn

Farmers in much of the state are planting at a rapid pace following the recent rain. However, the speed of planting coupled with unusually windy conditions can potentially interfere with preemergence herbicide applications. There are several things to consider when the planter ‘gets too far ahead’ of the sprayer and corn is emerged before preemergence herbicides can be applied to corn.

herbicide corn 

Herbicide applications and high temperatures

There are certain factors to consider when making herbicide applications during extremely hot weather. Plant response can vary depending on the herbicide and other plant growth processes. Herbicide volatility increases in some products when temperatures get very warm outside. Learn more in this article.

herbicide high temperatures herbicide application 


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