Abstract
The expansion in population and economies leads to development of new methods of agriculture to increase the productivity and meet the demand. Chemical fertilizers and pesticides are used in large scale to increase the production, but these pose environmental impacts on different ecosystems of life. Bioactive natural products derived from microorganisms and plants serve to minimize these impact. Various compounds isolated from plant sources, algal sources, microbial sources, marine sources, etc., act as elicitors for plant defense against various sources. Majority of them are chitosan, salicylic acid (SA), benzoic acid, benzothiadiazole, alkaloids, flavonoids, terpenes, proteins, peptides, blasticidin, mildiomycin, polyoxins, phenolic compounds, etc., which act against various plant diseases caused by bacteria, fungi, and viruses. The present chapter discusses the usages of bioactive natural products as tool agonists pant disease management. These derived bioactive compounds minimize the use of chemical agents and contribute to eco-friendly sustainable agriculture practices.
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