Context-dependency of arbuscular mycorrhizal fungi on plant-insect interactions in an agroecosystem.
Identifieur interne : 001B01 ( Main/Corpus ); précédent : 001B00; suivant : 001B02Context-dependency of arbuscular mycorrhizal fungi on plant-insect interactions in an agroecosystem.
Auteurs : Nicholas A. Barber ; E Toby Kiers ; Ruth V. Hazzard ; Lynn S. AdlerSource :
- Frontiers in plant science [ 1664-462X ] ; 2013.
Abstract
Plants interact with a variety of other community members that have the potential to indirectly influence each other through a shared host plant. Arbuscular mycorrhizal fungi (AMF) are generally considered plant mutualists because of their generally positive effects on plant nutrient status and growth. AMF may also have important indirect effects on plants by altering interactions with other community members. By influencing plant traits, AMF can modify aboveground interactions with both mutualists, such as pollinators, and antagonists, such as herbivores. Because herbivory and pollination can dramatically influence plant fitness, comprehensive assessment of plant-AMF interactions should include these indirect effects. To determine how AMF affect plant-insect interactions, we grew Cucumis sativus (Cucurbitaceae) under five AMF inoculum treatments and control. We measured plant growth, floral production, flower size, and foliar nutrient content of half the plants, and transferred the other half to a field setting to measure pollinator and herbivore preference of wild insects. Mycorrhizal treatment had no effect on plant biomass or floral traits but significantly affected leaf nutrients, pollinator behavior, and herbivore attack. Although total pollinator visitation did not vary with AMF treatment, pollinators exhibited taxon-specific responses, with honey bees, bumble bees, and Lepidoptera all responding differently to AMF treatments. Flower number and size were unaffected by treatments, suggesting that differences in pollinator preference were driven by other floral traits. Mycorrhizae influenced leaf K and Na, but these differences in leaf nutrients did not correspond to variation in herbivore attack. Overall, we found that AMF indirectly influence both antagonistic and mutualistic insects, but impacts depend on the identity of both the fungal partner and the interacting insect, underscoring the context-dependency of plant-AMF interactions.
DOI: 10.3389/fpls.2013.00338
PubMed: 24046771
PubMed Central: PMC3763484
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Context-dependency of arbuscular mycorrhizal fungi on plant-insect interactions in an agroecosystem.</title><author><name sortKey="Barber, Nicholas A" sort="Barber, Nicholas A" uniqKey="Barber N" first="Nicholas A" last="Barber">Nicholas A. Barber</name><affiliation><nlm:affiliation>Department of Biological Sciences, Northern Illinois University DeKalb, IL, USA ; Institute for the Study of the Environment, Sustainability, and Energy, Northern Illinois University DeKalb, IL, USA ; Department of Plant, Soil, and Insect Sciences, University of Massachusetts-Amherst Amherst, MA, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Kiers, E Toby" sort="Kiers, E Toby" uniqKey="Kiers E" first="E Toby" last="Kiers">E Toby Kiers</name></author><author><name sortKey="Hazzard, Ruth V" sort="Hazzard, Ruth V" uniqKey="Hazzard R" first="Ruth V" last="Hazzard">Ruth V. Hazzard</name></author><author><name sortKey="Adler, Lynn S" sort="Adler, Lynn S" uniqKey="Adler L" first="Lynn S" last="Adler">Lynn S. Adler</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2013">2013</date><idno type="RBID">pubmed:24046771</idno><idno type="pmid">24046771</idno><idno type="doi">10.3389/fpls.2013.00338</idno><idno type="pmc">PMC3763484</idno><idno type="wicri:Area/Main/Corpus">001B01</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001B01</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Context-dependency of arbuscular mycorrhizal fungi on plant-insect interactions in an agroecosystem.</title><author><name sortKey="Barber, Nicholas A" sort="Barber, Nicholas A" uniqKey="Barber N" first="Nicholas A" last="Barber">Nicholas A. Barber</name><affiliation><nlm:affiliation>Department of Biological Sciences, Northern Illinois University DeKalb, IL, USA ; Institute for the Study of the Environment, Sustainability, and Energy, Northern Illinois University DeKalb, IL, USA ; Department of Plant, Soil, and Insect Sciences, University of Massachusetts-Amherst Amherst, MA, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Kiers, E Toby" sort="Kiers, E Toby" uniqKey="Kiers E" first="E Toby" last="Kiers">E Toby Kiers</name></author><author><name sortKey="Hazzard, Ruth V" sort="Hazzard, Ruth V" uniqKey="Hazzard R" first="Ruth V" last="Hazzard">Ruth V. Hazzard</name></author><author><name sortKey="Adler, Lynn S" sort="Adler, Lynn S" uniqKey="Adler L" first="Lynn S" last="Adler">Lynn S. Adler</name></author></analytic><series><title level="j">Frontiers in plant science</title><idno type="ISSN">1664-462X</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Plants interact with a variety of other community members that have the potential to indirectly influence each other through a shared host plant. Arbuscular mycorrhizal fungi (AMF) are generally considered plant mutualists because of their generally positive effects on plant nutrient status and growth. AMF may also have important indirect effects on plants by altering interactions with other community members. By influencing plant traits, AMF can modify aboveground interactions with both mutualists, such as pollinators, and antagonists, such as herbivores. Because herbivory and pollination can dramatically influence plant fitness, comprehensive assessment of plant-AMF interactions should include these indirect effects. To determine how AMF affect plant-insect interactions, we grew Cucumis sativus (Cucurbitaceae) under five AMF inoculum treatments and control. We measured plant growth, floral production, flower size, and foliar nutrient content of half the plants, and transferred the other half to a field setting to measure pollinator and herbivore preference of wild insects. Mycorrhizal treatment had no effect on plant biomass or floral traits but significantly affected leaf nutrients, pollinator behavior, and herbivore attack. Although total pollinator visitation did not vary with AMF treatment, pollinators exhibited taxon-specific responses, with honey bees, bumble bees, and Lepidoptera all responding differently to AMF treatments. Flower number and size were unaffected by treatments, suggesting that differences in pollinator preference were driven by other floral traits. Mycorrhizae influenced leaf K and Na, but these differences in leaf nutrients did not correspond to variation in herbivore attack. Overall, we found that AMF indirectly influence both antagonistic and mutualistic insects, but impacts depend on the identity of both the fungal partner and the interacting insect, underscoring the context-dependency of plant-AMF interactions. </div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">24046771</PMID><DateCompleted><Year>2013</Year><Month>09</Month><Day>18</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Electronic-eCollection"><Journal><ISSN IssnType="Print">1664-462X</ISSN><JournalIssue CitedMedium="Print"><Volume>4</Volume><PubDate><Year>2013</Year></PubDate></JournalIssue><Title>Frontiers in plant science</Title><ISOAbbreviation>Front Plant Sci</ISOAbbreviation></Journal><ArticleTitle>Context-dependency of arbuscular mycorrhizal fungi on plant-insect interactions in an agroecosystem.</ArticleTitle><Pagination><MedlinePgn>338</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.3389/fpls.2013.00338</ELocationID><Abstract><AbstractText>Plants interact with a variety of other community members that have the potential to indirectly influence each other through a shared host plant. Arbuscular mycorrhizal fungi (AMF) are generally considered plant mutualists because of their generally positive effects on plant nutrient status and growth. AMF may also have important indirect effects on plants by altering interactions with other community members. By influencing plant traits, AMF can modify aboveground interactions with both mutualists, such as pollinators, and antagonists, such as herbivores. Because herbivory and pollination can dramatically influence plant fitness, comprehensive assessment of plant-AMF interactions should include these indirect effects. To determine how AMF affect plant-insect interactions, we grew Cucumis sativus (Cucurbitaceae) under five AMF inoculum treatments and control. We measured plant growth, floral production, flower size, and foliar nutrient content of half the plants, and transferred the other half to a field setting to measure pollinator and herbivore preference of wild insects. Mycorrhizal treatment had no effect on plant biomass or floral traits but significantly affected leaf nutrients, pollinator behavior, and herbivore attack. Although total pollinator visitation did not vary with AMF treatment, pollinators exhibited taxon-specific responses, with honey bees, bumble bees, and Lepidoptera all responding differently to AMF treatments. Flower number and size were unaffected by treatments, suggesting that differences in pollinator preference were driven by other floral traits. Mycorrhizae influenced leaf K and Na, but these differences in leaf nutrients did not correspond to variation in herbivore attack. Overall, we found that AMF indirectly influence both antagonistic and mutualistic insects, but impacts depend on the identity of both the fungal partner and the interacting insect, underscoring the context-dependency of plant-AMF interactions. </AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Barber</LastName><ForeName>Nicholas A</ForeName><Initials>NA</Initials><AffiliationInfo><Affiliation>Department of Biological Sciences, Northern Illinois University DeKalb, IL, USA ; Institute for the Study of the Environment, Sustainability, and Energy, Northern Illinois University DeKalb, IL, USA ; Department of Plant, Soil, and Insect Sciences, University of Massachusetts-Amherst Amherst, MA, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kiers</LastName><ForeName>E Toby</ForeName><Initials>ET</Initials></Author><Author ValidYN="Y"><LastName>Hazzard</LastName><ForeName>Ruth V</ForeName><Initials>RV</Initials></Author><Author 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