Fomesafen belongs diphenyl-ether class of contact herbicides which are inhibitors of a key enzyme (protoporphyrinogen oxidase, also known as protoporphyrin IX oxidase, abbreviated as PPO) required for the production of …

Flumioxazin is an herbicide of the N-phenylphthalimide class that is currently used for pre- and post-emergence control of susceptible weeds The herbicidal mechanism of flumioxazin is the inhibition of protoporphyrinogen …