The waxy layer aids in protection against loss of water, mechanical injury, and invasion by parasitic fungi.
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The waxy layer aids in protection against loss of water, mechanical injury, and invasion by parasitic fungi.
The waxy layer, known as the cuticle, secreted by epidermal cells serves several vital functions in plants. Primarily, it acts as a waterproof barrier, preventing excessive water loss through transpiration and protecting against dehydration, especially in arid environments. Additionally, the cuticle reduces the risk of pathogen invasion, shields against harmful UV radiation, and helps deter herbivores by making leaf surfaces less palatable. Overall, the cuticle plays a crucial role in maintaining plant health and survival in various environmental conditions.