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Seed Coating: A Tool for Delivering Beneficial Microbes to Agricultural Crops

2019Journal article Open access
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dc.contributor.authorRocha, Inês
dc.contributor.authorMa, Ying
dc.contributor.authorSouza-Alonso, Pablo
dc.contributor.authorVosátka, Miroslav
dc.contributor.authorFreitas, Helena
dc.contributor.authorOliveira, Rui S.
dc.date.accessioned2020-01-09T17:36:39Z
dc.date.available2020-01-09T17:36:39Z
dc.date.issued2019
dc.description.abstractPlant beneficial microbes (PBMs), such as plant growth-promoting bacteria, rhizobia, arbuscular mycorrhizal fungi, and Trichoderma, can reduce the use of agrochemicals and increase plant yield, nutrition, and tolerance to biotic-abiotic stresses. Yet, large-scale applications of PBM have been hampered by the high amounts of inoculum per plant or per cultivation area needed for successful colonization and consequently the economic feasibility. Seed coating, a process that consists in covering seeds with low amounts of exogenous materials, is gaining attention as an efficient delivery system for PBM. Microbial seed coating comprises the use of a binder, in some cases a filler, mixed with inocula, and can be done using simple mixing equipment (e.g., cement mixer) or more specialized/sophisticated apparatus (e.g., fluidized bed). Binders/fillers can be used to extend microbial survival. The most reported types of seed coating are seed dressing, film coating, and pelleting. Tested in more than 50 plant species with seeds of different dimensions, forms, textures, and germination types (e.g., cereals, vegetables, fruits, pulses, and other legumes), seed coating has been studied using various species of plant growth-promoting bacteria, rhizobia, Trichoderma, and to a lesser extent mycorrhizal fungi. Most of the studies regarding PBM applied via seed coating are aimed at promoting crop growth, yield, and crop protection against pathogens. Studies have shown that coating seeds with PBM can assist crops in improving seedling establishment and germination or achieving high yields and food quality, under reduced chemical fertilization. The right combination of biological control agents applied via seed coating can be a powerful tool against a wide number of diseases and pathogens. Less frequently, studies report seed coating being used for adaptation and protection of crops under abiotic stresses. Notwithstanding the promising results, there are still challenges mainly related with the scaling up from the laboratory to the field and proper formulation, including efficient microbial combinations and coating materials that can result in extended shelf-life of both seeds and coated PBM. These limitations need to be addressed and overcome in order to allow a wider use of seed coating as a cost-effective delivery method for PBM in sustainable agricultural systems.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3389/fpls.2019.01357pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/15247
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationPOCI-01-0145-FEDER-016801pt_PT
dc.relationSeed coating with microbial inoculants: a path to sustainable agriculture
dc.relationLegume seed coating with beneficial microorganisms for increased productivity and resilience under climate change conditions
dc.relationCentre for Functional Ecology
dc.relation.publisherversionhttps://www.frontiersin.org/articles/10.3389/fpls.2019.01357/fullpt_PT
dc.subjectArbuscular mycorrhizal fungipt_PT
dc.subjectPlant growth-promoting bacteriapt_PT
dc.subjectRhizobiapt_PT
dc.subjectSeed coatingpt_PT
dc.subjectSustainable agriculturept_PT
dc.subjectTrichodermapt_PT
dc.titleSeed Coating: A Tool for Delivering Beneficial Microbes to Agricultural Cropspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleSeed coating with microbial inoculants: a path to sustainable agriculture
oaire.awardTitleLegume seed coating with beneficial microorganisms for increased productivity and resilience under climate change conditions
oaire.awardTitleCentre for Functional Ecology
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F100484%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FAGR-TEC%2F1140%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FBIA%2F04004%2F2019/PT
oaire.citation.startPage1357pt_PT
oaire.citation.titleFrontiers in Plant Sciencept_PT
oaire.citation.volume10pt_PT
oaire.fundingStream9471 - RIDTI
oaire.fundingStream6817 - DCRRNI ID
person.familyNameOliveira
person.givenNameRui S.
person.identifier.ciencia-id251B-951A-F21E
person.identifier.orcid0000-0001-5252-5595
person.identifier.scopus-author-id56865275400
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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