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Articles Tagged with ''Palmer amaranth''

Use Cover Crops to Complement Herbicide Program & Combat Resistant Weeds

Studies show grass cover crops reduce weed biomass by 68%, with covers reducing 65% of winter annual weeds & 46% of summer annual weeds.

By Katie Pratt posted on January 1, 2023 | Posted in Cover Crops, Crop Protection

Herbicide resistance continues to be a growing concern among no-tillers. Not only are more weeds developing resistance, but some herbicide-resistant weeds, such as Palmer amaranth and waterhemp, are also very difficult to control if not caught early.

Scouting, Hand-Pulling Best Options for Late-Season Palmer, Waterhemp

September 12, 2022 | Posted in Crop Protection

Source: Ohio State University Extension

Anything we can do from now through harvest to prevent seed from being deposited into the soil seed bank will pay dividends down the road.

The Fight Against Spring Weeds Starts Today

September 9, 2022 | Posted in Crop Protection

Source: University of Minnesota Extension

What are some tactics you can employ around harvest time to help prevent weeds from replenishing the weed seed bank and giving you more headaches for years to come?

EPA Green Lights Altered Corteva Herbicide

July 26, 2022 | Posted in Crop Protection, Crop Protection

The new Resicore XL herbicide formulation will be available for use in the 2023 growing season.

High Temperature Effects Group 27 Herbicides

July 15, 2022 | Posted in Crop Protection

Source: Agronomy eUpdates

As the calendar moves through the summer months and postemergence herbicides are applied to late-planted crops, it's a good time to review some research on the effects of high temperatures on Group 27 herbicides.

How to Tell When Your Weeds are Herbicide Resistant

July 8, 2022 | Posted in Crop Protection

Source: Ohio's Country Journal

This article, which originally appeared in Ohio's Country Journal, discusses key questions to ask about weeds that seem to have thwarted the sprayer pass. Answering a few simple questions could save you time and money, particularly when deciding whether to spring for a whole new type of herbicide versus adjusting your equipment.

No-Tiller Beware: How to Find Palmer Amaranth Lurking in Manure

By Brian O'Connor posted on June 7, 2022 | Posted in Crop Protection, Nutrient Management

The transmission of palmer amaranth via manure (frequently ingested via contaminated feed) has been previously reported, researchers wrote. However, past research has used a variety of methods to identify amaranth seeds discovered in manure.

University-of-Nebraska-Palmer-Amaranth-Dry-Bean-Study.png

Study: Palmer Amaranth Reduces Dry Bean Yield By As Much As 77%

By Josh Miranda Teo, Amit Jhala, Jeff Bradshaw, and Nevin Lawrence posted on January 11, 2022 | Posted in Crop Protection

Source: University of Nebraska CropWatch

The University of Nebraska's Panhandle Research and Extension Center conducted studies in 2020 and 2021 to quantify yield loss and potential seed production of Palmer amaranth when competing with dry beans season-long.

Glufosinate Resistance Found in Arkansas Palmer Amaranth

February 19, 2021 | Posted in Crop Protection

Source: University of Arkansas

Rigorous testing by Arkansas weed scientists has detected the first-ever documented case of broadleaf resistance to glufosinate, says the University of Arkansas.

CROP PROTECTION ROUNDUP 2021

Erratic Armyworm Outbreaks Require Careful Scouting

Many entomologists say armyworms typically move from weedy grasses and small-grain cover crops to damage nearby corn.

By Dan Crummett posted on January 2, 2021 | Posted in Crop Protection

The so-called “true armyworm” is one of the more frustrating early-season pests no-till corn growers encounter periodically, particularly if they are planting into small-grain or other grassy cover crops, or in fields near sources of grassy weeds.

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Last-Minute Planter Prep for No-Tillers & Strip-Tillers

On this episode of Conservation Ag Update, brought to you by Martin-Till, precision specialist Chad Baker, co-owner of Baker Precision Planter Works in Orangeville, Ill., helps a first-generation no-tiller with planter setup, and later encounters a couple problems with a strip-tiller’s new 24-row planter. Plus, veteran agronomist Brad Forkner checks in with a couple tips for farmers to keep in mind before they take the field.

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