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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.
In 1990 sulcotrione was introduced for post- emergence weed control in corn. Isoxaflutole opened the market more broadly for HPPD inhibitors when it was introduced in 1996 for corn and sugarcane, and for use as a pre-emergence herbicide that could control broadleaf weeds as did sulcotrione, but also additional grass weeds.
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 ...
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.
Bromoxynil is an organic compound with the formula HOBr 2 C 6 H 2 CN. It is classified as a nitrile herbicide, and as such sold under many trade names.It is a white solid. It works by inhibiting photosynthesis.
As described in the BASF patent, the key step in the preparation of saflufenacil involved the reaction between a substituted aniline and an oxazinone. 2-chloro-4-fluoro-5-aminobenzoic acid and 2-dimethylamino-4-(trifluoromethyl)-6H-1,3-oxazin-6-one were heated in acetic acid to form the ring systems of the herbicide in over 90% yield, with further standard chemical transformations to generate ...