Welk woord?

Definitie: “Control The control of crop pests by A) living organisms harmless to the plants but which destroy or reduce the number of the harmful pests, B) natural reactions of pests and C) plant-own protection mechanisms against biotic and abiotic stress.”

Eerste letter: B

Antwoord:  

Van welk woord is dit de definitie?

'IQ'-score: 0