Abstract
In recent years, the use of complex molecules based on the natural biopolymer chitin and/or on its deacetylated derivative chitosan has resulted in great advantages for many users. In particular, industries involved in the production of drugs, cosmetics, biotechnological items, and food have achieved better results using these particular molecules. In plants, chitin- and chitosan-based molecules are largely used as safe and environmental-friendly tools to ameliorate crop productivity and conservation of agronomic commodities. This review summarizes the results of the last two years on the application of chitin- and chitosan-based molecules on plant productivity. The open questions and future perspectives to overcome the present gaps and limitations are also discussed.
Highlights
Over the past decades, the use of products alternative to pesticides and chemical fertilizers in the control of pre- and post-harvest diseases and in the perspective to increase crop productivity has become more and more important in agriculture
We summarize the results obtained during the last two years on the effects of chitin- and chitosan-based molecules supplied by traditional agricultural practices on plant productivity and protection against pathogens with particular focus on nanoparticles
CH nanofibers (CNF) can be more feasibly used since they behave as a water-soluble material
Summary
The use of products alternative to pesticides and chemical fertilizers in the control of pre- and post-harvest diseases and in the perspective to increase crop productivity has become more and more important in agriculture. The obtained results may vary and depend on various parameters including the pathosystem, the applied molecule, its concentration, the degree of deacetylation, viscosity, and the used formulation. To overcome these matters, in recent years many scientists have proposed to test molecules in which CH and CHT have been linked to other chemicals. We summarize the results obtained during the last two years on the effects of chitin- and chitosan-based molecules supplied by traditional agricultural practices (e.g., seed and foliar spraying, soil amendment) on plant productivity and protection against pathogens with particular focus on nanoparticles
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