Journal article Open Access

Marginal Lands to Grow Novel Bio-Based Crops: A Plant Breeding Perspective

Pancaldi, F.; Trindade, L.M.


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  <identifier identifierType="URL">https://zenodo.org/record/3750986</identifier>
  <creators>
    <creator>
      <creatorName>Pancaldi, F.</creatorName>
      <givenName>F.</givenName>
      <familyName>Pancaldi</familyName>
    </creator>
    <creator>
      <creatorName>Trindade, L.M.</creatorName>
      <givenName>L.M.</givenName>
      <familyName>Trindade</familyName>
    </creator>
  </creators>
  <titles>
    <title>Marginal Lands to Grow Novel Bio-Based Crops: A Plant Breeding Perspective</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2020</publicationYear>
  <subjects>
    <subject>bio-based economy</subject>
    <subject>bio-based crops</subject>
    <subject>perennial lignocellulosic crops</subject>
    <subject>marginal lands</subject>
    <subject>plant breeding</subject>
    <subject>breeding tools</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2020-03-03</date>
  </dates>
  <language>en</language>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/3750986</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.3389/fpls.2020.00227</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/h2020-magic</relatedIdentifier>
  </relatedIdentifiers>
  <version>V1</version>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;The biomass demand to fuel a growing global bio-based economy is expected to&amp;nbsp;tremendously increase over the next decades, and projections indicate that dedicated&amp;nbsp;biomass crops will satisfy a large portion of it. The establishment of dedicated biomass&amp;nbsp;crops&amp;nbsp;raises huge concerns, as they can subtract land that is required for food&amp;nbsp;production, undermining food security. In this context,&amp;nbsp;perennial biomass crops suitable&amp;nbsp;for cultivation on marginal lands (MALs) raise attraction, as they could supply biomass&amp;nbsp;without&amp;nbsp;competing for land with food supply. While these crops withstand marginal&amp;nbsp;conditions well, their biomass yield and quality do not ensure acceptable economic&amp;nbsp;returns to farmers and cost-effective biomass conversion into bio-based products,&amp;nbsp;claiming genetic&amp;nbsp;improvement. However, this is constrained by the lack of genetic&amp;nbsp;resources for most of these crops. Here we first review the advantages of cultivating&amp;nbsp;novel perennial biomass crops on MALs, highlighting management practices to enhance&lt;br&gt;
the environmental and economic sustainability of these agro-systems. Subsequently, we&amp;nbsp;discuss the preeminent breeding targets to improve the yield and quality of the biomass&amp;nbsp;obtainable from these crops, as well as the stability of biomass production under&amp;nbsp;MALs conditions. These targets include crop architecture and phenology, efficiency in&amp;nbsp;the use of resources, lignocellulose composition in relation to bio-based applications,&amp;nbsp;and tolerance to abiotic stresses. For each target trait, we outline optimal ideotypes,&amp;nbsp;discuss the&amp;nbsp;available breeding resources in the context of (orphan) biomass crops,&amp;nbsp;and provide meaningful examples of genetic improvement. Finally, we discuss the&amp;nbsp;available tools to breed novel perennial biomass crops. These comprise conventional&amp;nbsp;breeding methods&amp;nbsp;(recurrent selection and hybridization), molecular techniques to&amp;nbsp;dissect the genetics of complex traits, speed up selection, and perform transgenic&amp;nbsp;modification (genetic mapping, QTL and GWAS analysis, marker-assisted selection,&amp;nbsp;genomic selection, transformation protocols), and novel high-throughput phenotyping&amp;nbsp;platforms. Furthermore, novel tools to transfer genetic knowledge from model to&amp;nbsp;orphan crops (i.e., universal markers) are also conceptualized, with the belief that their&amp;nbsp;development will enhance the efficiency of plant breeding in orphan biomass crops,&amp;nbsp;enabling a sustainable use of MALs for biomass provision.&lt;/p&gt;</description>
  </descriptions>
  <fundingReferences>
    <fundingReference>
      <funderName>European Commission</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">10.13039/501100000780</funderIdentifier>
      <awardNumber awardURI="info:eu-repo/grantAgreement/EC/H2020/727698/">727698</awardNumber>
      <awardTitle>Marginal lands for Growing Industrial Crops: Turning a burden into an opportunity</awardTitle>
    </fundingReference>
  </fundingReferences>
</resource>
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