An antifeedant in balsam poplar inhibits browsing by snowshoe hares.
Identifieur interne : 004D17 ( Main/Exploration ); précédent : 004D16; suivant : 004D18An antifeedant in balsam poplar inhibits browsing by snowshoe hares.
Auteurs : Madhu K. Jogia [Canada] ; A R E. Sinclair [Canada] ; Raymond J. Andersen [Canada]Source :
- Oecologia [ 1432-1939 ] ; 1989.
Abstract
The 'plant defense guild' hypothesis for the evolution of plant secondary chemicals predicts that plant species defend themselves against generalist herbivores such as the snowshoe hare (Lepus americanus) in the Canadian boreal forest by evolving unique antifeedant chemicals. Plant species may coevolve in an ecosystem by presenting an array of chemicals to herbivores. We report further evidence for this idea from the presence of 2,4,6-trihydroxydihydrochalcone in the CH2Cl2 extracts of Populus balsamifera juvenile twigs. These extracts, added to rabbit chow, were offered to hares in choice tests. The bioassay established that the chemical acted as an antifeedant for hares.
DOI: 10.1007/BF00388477
PubMed: 28312854
Affiliations:
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Andersen</name><affiliation wicri:level="4"><nlm:affiliation>Department of Chemistry and Oceanography University of British Columbia, V6T 1Y6, Vancouver, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Chemistry and Oceanography University of British Columbia, V6T 1Y6, Vancouver</wicri:regionArea><placeName><settlement type="city">Vancouver</settlement><region type="state">Colombie-Britannique</region></placeName><orgName type="university">Université de la Colombie-Britannique</orgName></affiliation></author></analytic><series><title level="j">Oecologia</title><idno type="eISSN">1432-1939</idno><imprint><date when="1989" type="published">1989</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The 'plant defense guild' hypothesis for the evolution of plant secondary chemicals predicts that plant species defend themselves against generalist herbivores such as the snowshoe hare (Lepus americanus) in the Canadian boreal forest by evolving unique antifeedant chemicals. Plant species may coevolve in an ecosystem by presenting an array of chemicals to herbivores. We report further evidence for this idea from the presence of 2,4,6-trihydroxydihydrochalcone in the CH<sub>2</sub>Cl<sub>2</sub> extracts of Populus balsamifera juvenile twigs. These extracts, added to rabbit chow, were offered to hares in choice tests. The bioassay established that the chemical acted as an antifeedant for hares.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">28312854</PMID><DateRevised><Year>2019</Year><Month>11</Month><Day>20</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1432-1939</ISSN><JournalIssue CitedMedium="Internet"><Volume>79</Volume><Issue>2</Issue><PubDate><Year>1989</Year><Month>May</Month></PubDate></JournalIssue><Title>Oecologia</Title><ISOAbbreviation>Oecologia</ISOAbbreviation></Journal><ArticleTitle>An antifeedant in balsam poplar inhibits browsing by snowshoe hares.</ArticleTitle><Pagination><MedlinePgn>189-192</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/BF00388477</ELocationID><Abstract><AbstractText>The 'plant defense guild' hypothesis for the evolution of plant secondary chemicals predicts that plant species defend themselves against generalist herbivores such as the snowshoe hare (Lepus americanus) in the Canadian boreal forest by evolving unique antifeedant chemicals. Plant species may coevolve in an ecosystem by presenting an array of chemicals to herbivores. We report further evidence for this idea from the presence of 2,4,6-trihydroxydihydrochalcone in the CH<sub>2</sub>Cl<sub>2</sub> extracts of Populus balsamifera juvenile twigs. These extracts, added to rabbit chow, were offered to hares in choice tests. 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Jogia</name></region><name sortKey="Andersen, Raymond J" sort="Andersen, Raymond J" uniqKey="Andersen R" first="Raymond J" last="Andersen">Raymond J. Andersen</name><name sortKey="Sinclair, A R E" sort="Sinclair, A R E" uniqKey="Sinclair A" first="A R E" last="Sinclair">A R E. Sinclair</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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