10 Urea Pesticides

  title={10 Urea Pesticides},
  author={Simone Morais and Manuela Correia and Valentina F Domingues and Cristina Delerue-Matos},
Urea herbicides form, together with phenoxy derivatives and triazines, the most important agricultural herbicide group. The urea-derivatives are typical pre-emergence herbicides applied usually as aqueous emulsions to the surface of soil. Almost all of the urea compounds with good herbicidal action are trisubstituted ureas, containing a free iminohydrogen. According to the receptor theory, this hydrogen plays a role in the formation of the hydrogen bond being significant in the mode of action… CONTINUE READING