In the fight against plant diseases and pests, there are methods that generally keep the disease and pests away from the host, destroy or reduce them, strengthen the plant immune system, and provide direct protection of the plant from disease and harmful factors. At the beginning of these methods, Chitosan (Chitosan) raw material obtained from shellfish such as crab and shrimp.

The biggest advantage of chitin and chitosan is that it is a renewable resource and an environmentally friendly natural biopolymer.

* Chitosan has protective antifungal, antimicrobial, antiviral, insecticidal properties in plants and many processed and unprocessed products.

*One of the most basic applications of chitosan; bacteria such as Staphylococcus aureus, Bacillus cereus, Escherichia coli, Proteus vulgaris; It can inactivate yeast cultures such as Saccharomyces cerevisiae and Rhodotorula glutensis and molds other than Zygomycetes.

*Inhibits the production of Aspergillus flavus metabolites such as Aflatoxin, Ochratoxin in products such as Corn, Hazelnut, Pistachio, Grape, Fig. It prevents large product losses.

*Chitosan is the most important polysaccharide that increases plant disease resistance and is effective in reducing post-harvest rot and increasing shelf life of many fruits such as tomatoes, peaches, kiwis, and pears.

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