DENDROLOGY

Detailed explanation-1: -Leaf cuticle-Leaves are covered with a waxy cuticle which also stops their cells from becoming infected. It is a strong barrier that pathogens find it hard to pass through.

Detailed explanation-2: -The cuticle is a barrier coating the outer surface of epidermal cells of organs of the aerial parts of the plants. It protects against water loss, various abiotic and biotic stress.

Detailed explanation-3: -The plant cuticle is an extracellular hydrophobic layer that covers the aerial epidermis of all land plants, providing protection against desiccation and external environmental stresses.

Detailed explanation-4: -Although lacking an immune system comparable to animals, plants have developed a stunning array of structural, chemical, and protein-based defenses designed to detect invading organisms and stop them before they are able to cause extensive damage.