» Weeds in the News

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Understanding Herbicide Volatility During Inversion Conditions

Last week I began discussing moving herbicides en-masse in stable air or temperature inversions (What causes large-acreage dicamba damage?). Because the herbicide concentrations in stable air are extremely low, you only see the effects with certain herbicides on extremely sensitive plants.
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No One Reason for Frustrating Dicamba Issue

“I can’t keep dicamba in the field” has been a frequent comment I have heard from many frustrated folks who have followed the rules and tried their best not to drift on their neighbors. Quite a few good and conscientious farmers more »

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Zapping Noxious Weeds on Organic Farms Is Harder Than You Think

“We’re struggling. We’ve got a couple of [organic] fields that have some real thistle problems. I want to get some tarps and solarize it — cover it up and see if we can get that to cook itself in some of the thicker areas,” more »

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Dicamba and Drift Being Watched More Closely in the Southeast

Dicamba drift complaints are spreading across the Mid-South this season, prompting action to potentially ban it. Regulatory officials in the Southeast more »

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Morningglory Seeds are Tough Enough for an Interplanetary Trip

Natural sunscreens help morning glory seeds survive doses of ultraviolet (UV) radiation that would burn most humans to a crisp, according to a new study. The hardy seeds of the common flowering plant more »

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New Way to Detect Palmer Amaranth in Contaminated Seedlots

Last summer, farmers in the Midwest got an  unwelcome surprise  after planting native seed on Conservation Reserve Program acres. Palmer amaranth, the aggressive and hard-to-kill weed, had established in droves. As a possible solution, some states declared Palmer a noxious weed, which … more »

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Replacing One Herbicide With Another on Resistance Treadmill

Farmers could add Liberty and dicamba to list of resistant herbicides if they’re not careful in coming months. more »

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News of Agribusiness: Step-by-step Approach Helps Upgrade Weed Control Efforts in Cotton

Many growers have begun weed control efforts this spring with a burndown and, at planting, use of residual herbicide products. However, to start at the beginning, here’s a step-by-step rundown of a program approach more »

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How Much Effect Does Soil pH Have on Weed Management?

How much difference does pH make in how well you can manage herbicide-resistant weeds? More than you might think. Much more, in fact, in certain conditions. more »

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The Complex History of Weedy Rice

Weedy rice is neither wild rice nor crop rice but rather formerly domesticated rice that has shed some traits important to people. Adapted to human coddling, it does not grow outside of agricultural fields, but at the same time, it is not easily harvested more »

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