Weed Management

Two photos showing carryover injury of atrazine in the fall and mesotrione applied in the spring on field peas
Figure 1. Carryover injury from atrazine (2 lbs/ai per acre applied in the fall) and mesotrione (applied in the spring) on field peas. (Photos by Strahinja Stepanovic)

Field Pea Guide to Herbicide Carryover and Herbicide Efficacy

March 21, 2019
When integrating field peas into a crop rotation, herbicide carryover is one of the most important things to consider. This guide can help you plan your herbicide program to avoid potential crop injury due to carryover injury.

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Graphic listing several questions in the FAQ story

2019 FAQ for RUP Dicamba Herbicides (FeXapan™, Engenia® and XtendiMax®)

January 30, 2019
"If I had RUP dicamba training in 2018, do I need training in 2019?" The answer to that question, which is "Yes," and other questions about training and new application requirements for the three RUP dicamba products are covered in this FAQ.

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Pollen-Mediated Gene Flow and Transfer of Herbicide-Resistant Alleles

January 22, 2019
Pollen-mediated gene flow at a distance could allow the spread of rare herbicide-resistant alleles and favor the evolution of multiple herbicide-resistant biotypes through the accumulation of different resistant genes in an individual weed or weed population. From the Nebraska Crop Management Conference Proceedings.

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Over a Half Century of Trying to Solve Weed Management Challenges

January 9, 2019
Emeritus Extension Professor Bob Klein discusses the evolution of weed management systems during his career as a university weeds specialist.

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Corn yield loss as influenced by three herbicide treatments

Critical Time for Weed Removal in Corn and Soybean is Delayed by PRE-Herbicides

January 9, 2019
Understanding the critical time for weed removal in corn and soybean would not only ensure effective weed removal and minimize unnecessary weed control inputs, but could potentially help minimize the development of herbicide resistance in weeds.

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Dry bean weed management trial

The Importance of Early Season Weed Control

January 9, 2019
Do early season weeds have the same impact as later season flushes? Researchers here report on a 2018 study conducted in dry bean to compare how soon after planting crop yield was impacted by weed presence.

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Soybean damage from application of micro-rates of dicamba pesticide.

Effects of Dicamba Micro-Rates on Yields of Non-Dicamba Soybeans

January 9, 2019
This study looks at the sensitivity of non-DT soybean types (Conventional, Liberty Link, and Roundup Ready) to micro-rate applications of Clarity, Engenia, and XtendiMax at several growth stages.

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Trial studying efficacy of products on Palmer amaranth

Palmer Amaranth Control in Dry Bean

January 14, 2019
Residual herbicides applied at or before planting are critically important to controlling emerged Palmer amaranth in dry bean. Research at the Panhandle REC assessed the efficacy of PRE and pre-plant incorporated (PPI) residual herbicide programs.

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