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A weed that develops resistance to one herbicide typically has resistance to other herbicides with the same mode of action (MoA), so herbicides with different MoAs, or different resistance groups, are needed. Preventative weed resistance management rotates herbicide types to prevent selective breeding of resistance to the same mode of action.
This is a list of herbicides. These are chemical compounds which have been registered as herbicides . The names on the list are the ISO common name for the active ingredient which is formulated into the branded product sold to end-users. [ 1 ]
One major complication to the use of herbicides for weed control is the ability of plants to evolve herbicide resistance, rendering the herbicides ineffective against target plants. Out of 31 known herbicide modes of action, weeds have evolved resistance to 21. 268 plant species are known to have evolved herbicide resistance at least once. [ 59 ]
Pages in category "Herbicides" The following 136 pages are in this category, out of 136 total. This list may not reflect recent changes. ...
[32] [33] Paraquat is a Group L (Aus), D (global), 22 (numeric) resistance class herbicide, which it shares with diquat and cyperquat. [34] One example is the "double knock" system used in Australia. [35] Before planting a crop, weeds are sprayed with glyphosate first, then followed seven to ten days later by a paraquat herbicide.
The functional group consists of a sulfonyl group (-S(=O) 2) with its sulphur atom bonded to a nitrogen atom of a ureylene group (N,N-dehydrourea, a dehydrogenated derivative of urea). The side chains R 1 and R 2 distinguish various sulfonylureas. Sulfonylureas are the most widely used herbicide. [1]