Dimethoate is

Answer: Option B

Dimethoate is Systemic insecticide.
Dimethoate is a widely used organophosphate insecticide and acaricide. It was patented and introduced in the 1950s by American Cyanamid. It is readily absorbed and distributed throughout plant tissues, and is degraded relatively rapidly.
Dimethoate is a systemic and contact organophosphorus insecticide registered for use in the U.S. in 1962 and used on several field grown crops, tree crops and ornamentals.