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Ioxynil is a post-emergent [4] selective nitrile herbicide. It is used in Australia, New Zealand [5] and Japan [6] to control broadleaf weeds via the inhibition of photosynthesis. It is used notably on onion crops, [7] among others, normally at 300–900 g/Ha. [8] It was introduced in 1966.
Halosulfuron-methyl is a sulfonylurea post-emergence herbicide used to control some annual and perennial broad-leaved weeds and sedges (such as nutsedge/nutgrass) in a range of crops (particularly rice), established landscape woody ornamentals and turfgrass. [citation needed] It is marketed under several tradenames including Sedgehammer [2] and ...
Pages in category "Post-emergent herbicides" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. A. Alloxydim; Q.
The triketone herbicides were found to be effective on a wide range of commercially-important weed species and to have both pre- and post-emergence activity. [9] Mesotrione was chosen for development (by Zeneca Agrochemicals under the code number ZA1296) because it controls a wide range of broad-leaved weeds that compete with maize and can also suppress some annual grass weeds that may be ...
Post-emergent herbicides can be used more selectively, but also pose environmental risks, including toxicity to birds, bees, and mammals that consume or contact them.
Under aerobic conditions in soils or pure cultures, products of bromoxynil degradation often retain the original bromine groups. The herbicide, and one of its common degradation products (3,5-dibromo-4-hydroxybenzoic acid) have been shown to undergo metabolic reductive dehalogenation by the microorganism Desulfitobacterium chlororespirans. [6]