Why biological control is the major component of IPM? Explain its merits and demerits.

Biological control is a key component of Integrated Pest Management (IPM) because it offers a sustainable, eco-friendly alternative to chemical pesticides. IPM aims to manage pest populations in an environmentally responsible way, integrating various methods like cultural, mechanical, biological, and chemical controls. Among these, biological control stands out due to its focus on using natural predators, parasites, or pathogens to regulate pest populations. This method can reduce reliance on chemical pesticides, thereby minimizing environmental damage, health risks, and pest resistance.

One of the primary merits of biological control is its environmental friendliness. Unlike chemical pesticides, which can harm non-target species and disrupt ecosystems, biological control agents tend to be more specific to the pests they target. For example, ladybugs can effectively control aphid populations without affecting other beneficial insects or plants. This specificity helps maintain biodiversity and ecosystem balance, fostering healthier agricultural systems.

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