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Current Dicamba News and Events, Dicamba News Articles.
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Researchers explore the many factors impacting the pH of dicamba spray mixtures
The EPA now requires new dicamba formulations registered for dicamba-resistant crops to have a pH of 5.0 or higher because of volatility and off-target damage concerns. (2019-09-11)
Research suggests glyphosate lowers pH of dicamba spray mixtures below acceptable levels
A University of Tennessee Institute of Agriculture study published in the Journal of Weed Technology found that mixing glyphosate with formulations of dicamba consistently lowered the pH of the spray solution below 5.0 -- a critical value according to the latest dicamba application labels. (2019-08-15)
Research shows temperature, glyphosate increase probability for dicamba volatility
New research from the UT Institute of Agriculture suggests spraying dicamba in warm temperatures and adding glyphosate to a dicamba spray mixture could increase dicamba volatility, potentially leading to increased off-target movement and damage to non-tolerant plants. (2019-06-13)
New insights on the control of dicamba-resistant kochia are featured by Weed Technology
Kochia is a highly invasive weed that is common in the Great Plains, where it has developed resistance to multiple herbicides. (2019-05-15)
Autonomous weed control via smart robots
Soybean fields are becoming increasingly infested with a glyphosate-resistant weed called 'palmer amaranth.' One pesticide currently used for controlling it is 'Dicamba,' but it has devastating effects on adjacent areas, because it tends to drift when sprayed during windy conditions. (2019-03-27)
What happens if we run out?
What happens when pests resist all forms of herbicides and pesticides? (2018-05-17)
Pollinator habitat program spreads bad seeds with the good
Weed scientists in at least two Midwestern states have been reporting for years that a conservation program meant to provide habitat for pollinating insects is sowing bad seeds -- including seeds of the potentially devastating agricultural weed Palmer amaranth -- along with the good. (2016-12-07)
Dicamba drift affects non-target plants and pollinators
Dicamba herbicide drift onto plants growing adjacent to farm fields causes significant delays in flowering, as well as reduced flowering, of those plants, and results in decreased visitation by honey bees, according to researchers at Penn State and the Pennsylvania Association for Sustainable Agriculture. (2015-12-03)
Study uses farm data to aid in slowing evolution of herbicide-resistant weeds
Although researchers and industry personnel have made recommendations to slow the evolution of herbicide-resistant weeds, an understanding of the patterns and causes of the resistance has been limited.A recently published study by weed scientists at the University of Illinois and USDA-ARS, looking at glyphosate-resistant waterhemp, is providing valuable evidence that points to management practices as the driving force behind herbicide resistance, and that herbicide mixing, as opposed to herbicide rotation, is the most effective tool in managing resistance. (2015-05-21)
Drifting herbicides produce uncertain effects
Farmers should take extra precautions so drifting herbicides do not create unintended consequences on neighboring fields and farms, according to agricultural researchers. (2014-02-10)
Old herbicides enlisted in new 'war on the weeds'
The emergence of weeds resistant to the most widely used herbicide is fostering a new arms race in the war against these menaces, which cost society billions of dollars annually in control measures and lost agricultural production. (2012-05-23)
Integrated weed management best response to herbicide resistance
Over-reliance on glyphosate-type herbicides for weed control on US farms has created a dramatic increase in the number of genetically-resistant weeds, according to a team of agricultural researchers, who say the solution lies in an integrated weed management program. (2012-02-09)
A new way to use herbicides: To sterilize, not kill weeds
Using herbicides to sterilize rather than to kill weedy grasses might be a more economical and environmentally sound weed-control strategy, according to a study by Agricultural Research Service scientists and a cooperator. (2010-05-05)
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