Definition of Biological Control

Biological control is one of the integrated management strategies that aim to reduce the population of pests by employing natural enemies. It generally involves the active participation of humans. On the contrary, is natural control which does not involve the input of humans yet the species of insects are killed by the environmental factors as well as by the organisms that occur naturally.


In biological control, not only the insects but weeds and plant diseases are also emphasized. The agents that control the pest population include pathogens, predators, and parasitoids. the pathogens and insects are the natural enemies of the weeds. The agents which reduce the plant diseases are entitled as antagonists.


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