Chitosan as a potential natural compound to manage plant diseases

Riseh, Roohallah Saberi; Hassanisaadi, Mohadeseh; Vatankhah, Masoumeh; Babaki, Somayeh Abdani; Barka, Essaid Aït

doi:10.1016/j.ijbiomac.2022.08.109

Cited by 105 publications

(43 citation statements)

References 132 publications

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“…Furthermore, in this work two basic substances, Biorend (chitosan) and Equibasic (equisetum) have been studied. Chitosan, a natural biodegradable chitin-derivative, is the most studied product thanks to its well-known direct fungicidal activity and indirect activity as elicitor of resistance to numerous pre- and postharvest fungal diseases [ 54 , 55 , 56 , 57 , 58 , 59 ], including Colletotrichum spp. [ 32 , 33 , 34 , 35 ].…”

Section: Discussionmentioning

confidence: 99%

Assessing Copper-Alternative Products for the Control of Pre- and Postharvest Citrus Anthracnose

Lombardo

Panebianco

Azzaro

et al. 2023

Plants

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Citrus production is worldwide threatened by Colletotrichum spp., causal agents of pre- and postharvest anthracnose. The recent limitation on the use of copper-based antimicrobials, due to its demonstrated noxious effect on the environment, makes the control of this pathogen difficult. Thus, alternative products able to reduce/phase out copper in organic citrus farming are needed. In this study, the efficacy of 11 commercial alternative products were evaluated in vitro, in growth chamber, in open field and in postharvest environments. In vitro, mineral fertilizers, basic substances, essential oils, plant defense stimulators and biological control agents were able to inhibit the mycelial growth with variable efficacy. On artificially infected citrus fruit, almost all tested products significantly reduced disease incidence and severity, but with lower efficacy than copper. The efficacy of mineral fertilizers-based Kiram and Vitibiosap 458 Plus, citrus essential oil-based Prev-Am Plus and chitosan-based Biorend was confirmed in open field trials, in naturally infected citrus fruits. In these trials Biorend was the best alternative product, significantly reducing disease incidence (71% DI reduction) with better results than copper (47.5%). Field treatments reduced the incidence and severity of the disease in postharvest conditions, especially in fruits field-treated three times. Overall, selected products tested in open field can represent a good alternative to copper compounds in the view of future limitation of its use.

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Section: Discussionmentioning

confidence: 99%

Assessing Copper-Alternative Products for the Control of Pre- and Postharvest Citrus Anthracnose

Lombardo

Panebianco

Azzaro

et al. 2023

Plants

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“…These coatings, by inhibiting the growth and damage caused by microorganisms, can extend the freshness and safety of perishable fruits and vegetables. Among the active ingredients, biological control agents (BCAs; e.g., fluorescent Pseudomonas [ 17 , 166 ], Streptomyces [ 149 , 167 ], and Bacillus antagonistic species [ 150 , 168 ]), plant extracts, biogenic NPs with antimicrobial properties [ 169 , 170 , 171 ], chitosan biopolymers [ 172 ], and essential oils [ 173 ] can be added to active coatings to provide antimicrobial potential. The metabolites and bacteriocins produced by antagonistic bacteria reduce the decay of fruits, thereby enhancing the shelf life of postharvest products.…”

Section: Cmc As Edible Coating Substances In the Preservation Of Agri...mentioning

confidence: 99%

Micro-/Nano-Carboxymethyl Cellulose as a Promising Biopolymer with Prospects in the Agriculture Sector: A Review

et al. 2023

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The increase in the population rate has increased the demand for safe and quality food products. However, the current agricultural system faces many challenges in producing vegetables and fruits. Indiscriminate use of pesticides and fertilizers, deficiency of water resources, short shelf life of products postharvest, and nontargeted delivery of agrochemicals are the main challenges. In this regard, carboxymethyl cellulose (CMC) is one of the most promising materials in the agriculture sector for minimizing these challenges due to its mechanical strength, viscosity, wide availability, and edibility properties. CMC also has high water absorbency; therefore, it can be used for water deficiency (as superabsorbent hydrogels). Due to the many hydroxyl groups on its surface, this substance has high efficacy in removing pollutants, such as pesticides and heavy metals. Enriching CMC coatings with additional substances, such as antimicrobial, antibrowning, antioxidant, and antisoftening materials, can provide further novel formulations with unique advantages. In addition, the encapsulation of bioactive materials or pesticides provides a targeted delivery system. This review presents a comprehensive overview of the use of CMC in agriculture and its applications for preserving fruit and vegetable quality, remediating agricultural pollution, preserving water sources, and encapsulating bioactive molecules for targeted delivery.

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“…Polysaccharides such as alginate, gelatin, and chitosan have been widely used for the encapsulation of bacteria promoting plant growth to counteract several plant-pathogen induced diseases. − Riseh and Pour developed a microcapsule loaded with Streptomyces fulvissimus Uts22 to control Gaeumannomyces graminis var. tritici -induced take-all disease in wheat.…”

Section: Inventive Potential Of B-nbps For Plant Protectionmentioning

confidence: 99%

Bacteria-Premised Nanobiopesticides for the Management of Phytopathogens and Pests

Padmakumar

Chowdary

Eswar

et al. 2023

ACS Agric. Sci. Technol.

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Rising awareness of the risks regarding chemical formulations and the surging need for eco-friendly inputs in sustainable agriculture have driven the use of bacterial biocontrol agents to the frontline of plant protection. Bacterial biocontrol agents (BBCAs) have been preferred as feasible alternatives to synthetic formulations due to their increased specificity and safety. Nanotechnology has facilitated the better addressing of product development and performance concerns related to BBCAs. Leveraging nanotechnology in the synthesis of novel nanomaterials with amended properties at the nanoscale has offered efficient and ecologically sound nanoformulations such as nanobiopesticides. The nanobiopesticides of bacterial origin, known as bacteria premised nanobiopesticides (B-NBPs), are efficient alternatives to agrochemicals. The B-NBPs include living or nonliving bacterial nanoformulations or nanoparticles synthesized using bacteria (BNPs) as the nanofactories. The B-NBPs were synthesized using high-pressure homogenization (HPH), jet milling, and hammer milling, giving rise to competent bacterial nanoformulations of size ranging from 250 to 500 nm. Following an overview of bacteria-based nanobiopesticides (B-NBPs) employed to prevent/treat plant diseases, the article highlights the role of BBCA's role in plant protection as well as its antagonistic mechanisms. Further, the concept of B-NBPs, concentrating on Bacillus thuringensis-driven forms, is reviewed. The review then briefly explains the significance of BNPs in plant infection management. Finally, the concerns related to the efficacy of B-NBPs along with the prospects are also described.

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Chitosan as a potential natural compound to manage plant diseases

Cited by 105 publications

References 132 publications

Assessing Copper-Alternative Products for the Control of Pre- and Postharvest Citrus Anthracnose

Assessing Copper-Alternative Products for the Control of Pre- and Postharvest Citrus Anthracnose

Micro-/Nano-Carboxymethyl Cellulose as a Promising Biopolymer with Prospects in the Agriculture Sector: A Review

Bacteria-Premised Nanobiopesticides for the Management of Phytopathogens and Pests

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