Using biocontrol to target weeds and agricultural pestsīiocontrol can be cheap over the long term and is the least damaging way to target weeds and pest insects over a long period of time. The underlying principles of biocontrol are safety, self-sustainability, and cost-effectiveness. Similarly, many insects hitchhiked to New Zealand with the development of trades, and some species negatively impact the primary industries and the native environment.ĭifferent organisms such as beetles, wasps, mites and fungi can be used as biocontrol agents to stop introduced weeds and insects from damaging natural habitats, taonga species, and farms in an environmentally friendly way. Weeds invade sensitive or native habitats, or productive land. Some of these plants are already weeds or becoming weeds. Since the European colonisation of New Zealand in the 1800s, the number of introduced plant species have dramatically increased. It is a way to control weeds and pests by introducing a natural enemy or predator into the environment. Biological control (biocontrol) uses one living organism to control another.
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