Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A toxic nonpersistent strong contact herbicide, C12H12N2, usually formulated as its yellow crystalline dibromide salt.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry A
contact herbicide that producesdesiccation anddefoliation .
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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Non-ionic spreaders: Paraquat and diquat post-emergence herbicides are unusual in that they require the use of special non-ionic spreaders in order to avoid deactivation (loss of effectiveness).
Chapter 10 1981
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"We've got 80 acres to do and I've going to use Reglone (diquat) instead of Roundup (glyphosate) so I can get into it quicker."
FWi - All News 2010
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She said she has read that diquat has been linked to cancer.
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Seed crops will receive either diquat or glufosinate-ammonium instead because glyphosate can be translocated into seed and affect subsequent germination.
FWi - All News 2009
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Seed crops will receive either diquat or glufosinate-ammonium instead because glyphosate can be translocated into seed and affect subsequent germination.
FWi - All News 2009
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The plan calls for using Reward, the brand name for an herbicide with the active ingredient diquat.
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Where you are using glyphosate and home-saving seed remember to leave an untreated area to go off naturally or for pre-harvest diquat.
FWi - All News 2009
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There is no factually established minimal toxic level or maximally allowable safe dose for diquat.
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Seed crops will receive either diquat or glufosinate-ammonium instead because glyphosate can be translocated into seed and affect subsequent germination.
FWi - All News 2009
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They should be at the forefront of the opposition to diquat use.
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