Claim: Weed biocontrol and pest biocontrol have the same function, which is to enhance toxin and pesticide for an increased control of insects.
Evidence: Weed biocontrol Viruses triggering lethal systemic necrosis as bioherbicides Applications of plant viruses Pest biocontrol Enhanced toxin and pesticide delivery for insect and nematode control 
Biological control or biocontrol is a method of controlling pests such as insects, mites, weeds and plant diseases using other organisms. Weed biocontrol Viruses triggering lethal systemic necrosis as bioherbicides Applications of plant viruses