Journal
CARBOHYDRATE POLYMERS
Volume 306, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2023.120592
Keywords
Plant parasitic nematode (PPN); Chitin; Chitosan; Chitosan oligosaccharide; Mechanism; Slow-release carrier
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Chemical nematicides have been widely used for controlling plant-parasitic nematodes, but their negative impacts on the environment and ecosystem have prompted the search for alternatives. Chitin oligo/polysaccharide (COPS) has unique biological properties that can suppress nematode growth through ammonia production, promotion of antagonistic bacteria, and enhanced crop tolerance. COPS also serves as an effective sustained-release carrier for nematicidal substances. This review summarizes the advancements of COPS research in nematode control and discusses its potential agricultural applications.
Chemical nematicide is the most common method of controlling plant-parasitic nematodes (PPN). Given the negative impact of chemical nematicides on the environment and ecosystem, it is necessary to seek their alternatives and novel modes of application. Chitin oligo/polysaccharide (COPS), including chitosan and chitosan oligosaccharide, has unique biological properties. By producing ammonia, encouraging the growth of antagonistic bacteria, and enhancing crop tolerance, COPSs help suppress PPN growth during soil remediation. COPS is also an effective sustained-release carrier that can be used to overcome the shortcomings of nematicidal substances. This review summarizes the advancements of COPS research in nematode control from three perspectives of action mechanism as well as in slow-release carrier-loaded nematicides. Further, it discusses potential agricultural applications for nematode disease management.
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