herbicide use News
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Prior herbicide use—not irrigation—is critical to herbicide efficacy
Crop and herbicide use history are more critical to herbicide efficacy and environmental safety than the timing and amount of irrigation water used, according to Agricultural Research Service (ARS) scientists. ARS plant physiologists Dale Shaner and Lori Wiles made this discovery from ongoing experiments on two irrigated fields at Colorado State University (CSU) at Fort Collins, Colo. Shaner ...
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Herbicide reduction can preserve crop yields as well as biodiversity benefits of weeds
Pesticide-sparing approaches to farming do not have to compromise on crop yields, new research suggests. A study that explored the impact of reduced herbicide use across a variety of different farming contexts found that herbicideefficient systems could be just as productive as conventional systems — and more so than organic systems — whilst having other important environmental ...
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Breakthrough corn herbicide receives US EPA approval
Syngenta announced today that it has received US EPA approval for its breakthrough corn herbicide, ACURON™. The first sales of the product to US growers will take place this year. In the USA herbicide resistance, notably to glyphosate, is increasing with infestations of broadleaf weeds in corn up 50 percent in the past four years. ACURON has been shown to improve control of more than 70 ...
By Syngenta
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EPA Announces Final Decision to Register Enlist Duo, Herbicide Containing 2, 4-D and Glyphosate/Risk assessment ensures protection of human health, including infants, children
The EPA is registering the herbicide, Enlist Duo with first-time ever restrictions to manage the problem of resistant weeds. The pesticide is for use in controlling weeds in corn and soybeans genetically-engineered (GE) to tolerate 2,4-D and glyphosate. The agency’s decision reflects a large body of science and an understanding of the risk of pesticides to human health and the environment. ...
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Pesticide levels decline in corn belt rivers
Concentrations of several major pesticides mostly declined or stayed the same in “Corn Belt” rivers and streams from 1996 to 2006, according to a new U.S. Geological Survey study. The declines in pesticide concentrations closely followed declines in their annual applications, indicating that reducing pesticide use is an effective and reliable strategy for reducing pesticide contamination in ...
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Research confirms first glyphosate resistant wild radish
The world’s first populations of glyphosate resistant wild radish will be announced at Perth’s Agribusiness Crop Updates, but researchers stress further cases can be minimised if farmers adopt diverse control strategies. Australian Herbicide Resistance Initiative (AHRI) research has confirmed glyphosate resistance in three populations of wild radish, all from different locations in ...
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USDA approves new modified corn seeds, soybean seeds
The Agriculture Department has approved the use of genetically modified corn seeds and soybean seeds that are resistant to a popular weed killer. However, farmers won't be able to take full advantage of the seeds until the Environmental Protection Agency issues a second ruling allowing the use of Enlist, a new version of the 2,4-D weed killer that's been around since the 1940s. The EPA has said ...
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Integrated weed management can reduce need for herbicides
The use of herbicides on crops causes environmental concerns. A new French study assesses the performance of cropping systems to manage weeds and finds that these techniques could control arable weeds in the long-term and reduce reliance on herbicides. In Europe, herbicides provide the conventional means of managing weeds on farmland. Although effective, herbicides are expensive and can build up ...
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Product Auto Hydraulic Weeder
JAGODA JPS celebrate the 21 years anniversary by announcing a new product Auto hydraulic weeder. The new product is designed for mechanical weed control in fruit and orchard trees. This reduces the cost of maintenance and facilitates keeping these crops. The auto hydraulic weeder machine is perfect for organic fruit farming and orchard trees, can significantly reduce or even eliminate the use ...
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EPA Seeks Comment on Proposed Decision to Register Enlist Duo Herbicide Containing the Choline Salt of 2,4-D and Glyphosate
The EPA is making available for a 30-day public comment period a proposed regulatory decision to register Enlist Duo containing glyphosate and the choline salt of 2,4-D for use in controlling weeds in corn and soybeans genetically engineered (GE) to tolerate 2,4-D. Weeds are becoming increasingly resistant to glyphosate-based herbicides and are posing a problem for farmers. If finalized, ...
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NRDC Petitions EPA to Save the Monarch Butterfly
Skyrocketing use of the weed-killer glyphosate, first marketed as “Roundup,” is devastating monarch butterfly populations, and new safeguards should be put in place immediately to save the iconic species from further decline, the Natural Resources Defense Council said today. In a petition filed with the Environmental Protection Agency, NRDC said current uses of glyphosate are causing ...
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EPA OIG Will Evaluate EPA’s Management of Resistance Issues Related to Herbicide Tolerant GE Crops
On March 25, 2016, the U.S. Environmental Protection Agency’s (EPA) Office of Inspector General (OIG) sent a memorandum to Jim Jones, Assistant Administrator, Office of Chemical Safety and Pollution Prevention (OCSPP), announcing that it plans to begin preliminary research to assess EPA’s management and oversight of resistance issues related to herbicide tolerant genetically ...
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Decision could boost use of popular weed killer
Faced with tougher and more resistant weeds, corn and soybean farmers are anxiously awaiting government decisions on a new version of a popular herbicide - and on genetically modified seeds to grow crops designed to resist it. Critics say more study is needed on the effects of the herbicide and they are concerned it could endanger public health. The Environmental Protection Agency is expected ...
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Biological control of weeds via their own aromas
Plant experts in the Netherlands can still become enthusiastic about a special variety of broomrape. Farmers in southern countries, however, are less impressed because broomrape and its ‘sister’ striga are considered a harmful weed in these regions. Research in the Laboratory of Plant Physiology of Wageningen University shows how useful insects that can control this weed may lend a ...
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Tillage and reduced-input rotations affect runoff from agricultural fields
A new study from researchers at the USDA Agricultural Research Service provides information about runoff under different management practices and can help farmers choose the practice that is best for them. No-till management practices can reduce soil erosion, but evidence suggests they can also lead to increased runoff of dissolved phosphorus from soil surfaces. Meanwhile, farmers looking to ...
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GM crops could reduce need for herbicides
Analysis of large-scale European field trial data reveals that lower quantities of herbicides are applied to crops genetically modified for herbicide-resistance compared with conventionally grown crops. However, the data also suggest that biodiversity may be reduced if genetically modified (GM) crops are grown widely. Transgenic crops are currently grown in 22 countries across the world, ...
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The lurking menace of weeds
Today more than a billion people in the world are hungry, the result of flawed policies mainly, but also of wars and revolutions and of natural hazards like floods, droughts, pests and diseases compounded, nowadays, by climate change. But one huge hunger-maker lurks largely unnoticed ... 'Maybe it's because weeds are not very spectacular,' says weed expert Ricardo Labrada-Romero. 'Droughts, ...
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Showcase
Carbon Robotics Disrupts Farming Industry with Autonomous Weeders
Carbon Robotics, an autonomous robotics company, today unveiled its third-generation autonomous weed elimination robots. The Autonomous Weeder leverages robotics, artificial intelligence (AI), and laser technology to safely and effectively drive through crop fields to identify, target and eliminate weeds. Unlike other weeding technologies, the robots utilize high-power lasers to eradicate weeds ...
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Valor brings flexibility to summer weed control
New pre-emergent residual registrations for Valor herbicide in fallows and prior to planting summer crops greatly broadens crop rotation flexibility and boosts efforts in combating herbicide resistance. New registrations for Valor herbicide now enable it to be used for highly effective pre - emergent (residual) control of a broad range of problem weeds in fallow and prior to planting summer ...
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EPA issues stop sale order to dupont on sale and distribution of imprelis herbicide
The U.S. Environmental Protection Agency (EPA) today issued an order to E.I. DuPont de Nemours (DuPont) directing the company to immediately halt the sale, use or distribution of Imprelis, an herbicide marketed to control weeds that has been reported to be harming a large number of trees, including Norway spruce and white pine. The order, issued under the Federal Insecticide, ...
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