2,4-D


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2,4-D:

see herbicideherbicide
, chemical compound that kills plants or inhibits their normal growth. A herbicide in a particular formulation and application can be described as selective or nonselective.
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2,4-D

(organic chemistry)
References in periodicals archive ?
Jim Gray, executive director of the industry task force II on 2,4-D research data, said, "After reviewing an unprecedented depth of scientific data and expert panel reviews regarding the impact 2,4-D may have on children, adults, animals and the environment, Health Canada determined the herbicide meets all of Canada's pesticide health and safety regulations, which are among the toughest and most stringent in the world.
Human lung fibroblasts exposed to 2,4-D and MCPA showed a slight increase in proliferation at low concentrations (104 % and 112% at 3[micro]M, respectively compared to control at 100%) although for 2,4-D this increase was not significant.
The researchers note that "the [government's] 2,4-D assessment does not approach standards for ethics, rigor or transparency in medical research.
Subsequent tests in wells near other lakes treated with 2,4-D showed no similar tainting with the chemical.
RESULTS: Median urine 2,4-D concentrations at baseline and day after application were 2.
Effects of 2,4-D and kinetin on callus induction of Barringtonia racemosa leaf and endosperm explants in different types of basal media.
The decision by the IARC to classify substances like 2,4-D and glyphosate as potentially harmful is likely to cause alarm among farmers and consumers, who will wonder about the appropriateness of its continued use in commercial agriculture or gardening.
EWG was responding to a proposal by the Environmental Protection Agency to permit Dow AgroSciences to sell a weed-killer called Enlist Duo, "a new formulation that contains both 2,4-D and glyphosate.
Department of Agriculture opened a public comment period on the environmental and health impacts of a new suite of crops engineered to be resistant to 2,4-D.
But skeptics are concerned that use of the new seeds and 2,4-D will only lead to similar problems as weeds acquire resistance to that chemical, too.