Abstract
Natural hair like structures, produced on aerial surfaces of plants that involves in plant defence, are recognised as trichomes. These trichomes play their role in natural plant defence. These trichomes may be glandular or non-glandular, and secrete exudates, which trap insects and slowdown their movement and act as a physical barrier either against insect attack killing the insects directly or through retarding the insect growth and their population. These trichomes play an important role against both biotic and abiotic stresses. Plant trichomes, specialized epidermal outgrowths found on the surfaces of various plant species, have gained significant attention in recent years due to their diverse roles in plant development, defense, and pest management. Trichomes serve as a physical barrier against herbivores, play a crucial role in the release of chemical deterrents, and act as key components of indirect defense mechanisms. This review aims to provide a comprehensive overview of the multifaceted contributions of plant trichomes in pest management, focusing on their structural characteristics, chemical defense, and ecological interactions with herbivores. Understanding the mechanisms underlying the role of trichomes in pest management can potentially pave the way for the development of novel strategies for sustainable agriculture.
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