Triazine herbicides are one of the traditional herbicides introduced as early as the 1950s. It plays a role by inhibiting photosynthesis of plants by using photosynthetic system II (PSII) with D1 protein as its target. This type of herbicide used to play a great role in agriculture, but due to its large amount and long residue, and due to the rapid development of new herbicides such as sulfonylureas, the market for such herbicides is declining. Nevertheless, it is still ranked fifth among the major categories of herbicides, second only to amino acids (glyphosate, etc.), sulfonylureas, amides, and aryloxyphenoxypropionic acid herbicides.
The earliest triazine herbicide simazine was born in 1955, and in 1957, atrazine and other varieties were on the market, which became a series of herbicide varieties. There are 36 varieties of triazine herbicides. Among them, the triazine herbicide with the highest sales is atrazine, which accounts for 1/3 of such herbicides. Although triazine pesticides were mostly developed in the 1970s and are a very traditional pesticide series, there are still people who are conducting research and development. In addition to sulfonylurea herbicides, there are many triazine structures but they are classified as sulfonate. In addition to ureides, Japan's Idemitsu Kosan also developed a new triazine herbicide triaziflam (triaziflam) in the late 1990s.Cybutryne Irgarol 1051 is a new type of triazine herbicide, which is more and more widely used in ship hull antifouling coatings.