Why do healthy plants cells sacrifice themselves when being attacked by insects?
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Plant structural traits such as leaf surface wax, thorns or trichomes, and cell wall thickness/ and lignification form the first physical barrier to feeding by the herbivores, and the secondary metabolites such act as toxins and also affect growth, development, and digestibility reducers form the next barriers that ...
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Because it is insoluble, rigid, and virtually indigestible, lignin provides an excellent physical barrier against pathogen attack. Furanocoumarins are phenolic compounds produced by a wide variety of plants in response to pathogen or herbivore attack.
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