effects of larval density on genetic variation and covariation among life-history traits in the bean weevil (Acanthoscelides obtectus Say)
It is generally assumed that the traits leading to higher fitness are different in crowded and uncrowded environments. This study concerns the genetic variation and covariation in life-history traits of the dry bean weevil (Acanthoscelides obtectus Say) reared under low and high densities. We have d...
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| Veröffentlicht in: | Functional ecology 1991, Vol.5 (4), p.525-534 |
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| container_title | Functional ecology |
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| creator | Tucic, N Milosevic, M Gliksman, I Milanovic, D Aleksic, I |
| description | It is generally assumed that the traits leading to higher fitness are different in crowded and uncrowded environments. This study concerns the genetic variation and covariation in life-history traits of the dry bean weevil (Acanthoscelides obtectus Say) reared under low and high densities. We have demonstrated that larval crowding has genotype-specific effects on life-history traits of the weevils. Our data suggest that the genetic covariance structure among life-history traits is very sensitive to density and that genotype-density interactions affect the genetic correlations. It seems that the maintenance of genetic polymorphism in bean weevil populations may depend in part on the reversal of fitness order at different densities. We did not detect any significant correlation between plasticity and genetic variation of the life-history traits, which suggests that selection producing changes in the two types of variation can act independently. |
| doi_str_mv | 10.2307/2389635 |
| format | Article |
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This study concerns the genetic variation and covariation in life-history traits of the dry bean weevil (Acanthoscelides obtectus Say) reared under low and high densities. We have demonstrated that larval crowding has genotype-specific effects on life-history traits of the weevils. Our data suggest that the genetic covariance structure among life-history traits is very sensitive to density and that genotype-density interactions affect the genetic correlations. It seems that the maintenance of genetic polymorphism in bean weevil populations may depend in part on the reversal of fitness order at different densities. We did not detect any significant correlation between plasticity and genetic variation of the life-history traits, which suggests that selection producing changes in the two types of variation can act independently.</description><identifier>ISSN: 0269-8463</identifier><identifier>EISSN: 1365-2435</identifier><identifier>DOI: 10.2307/2389635</identifier><language>eng</language><publisher>Oxford: British Ecological Association</publisher><subject>Acanthoscelides obtectus ; Animal, plant and microbial ecology ; Biological and medical sciences ; biological development ; Bruchidae ; Coleoptera ; crowding ; Ecological life histories ; Evolutionary genetics ; Fecundity ; Fundamental and applied biological sciences. Psychology ; Genetic correlation ; genetic covariance ; genetic parameters ; genetic variance ; Genetic variation ; genotype-environment interaction ; Heritability ; Larvae ; life cycle (organisms) ; Longevity ; Phaseolus vulgaris ; Phenotypic traits ; population density ; seeds ; Weevils</subject><ispartof>Functional ecology, 1991, Vol.5 (4), p.525-534</ispartof><rights>Copyright 1991 British Ecological Society</rights><rights>1992 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c336t-a93b6c4f52db5f963bd11cf493f3f504e6eff79a790c106149cfd3c620e340c03</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/2389635$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/2389635$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,4021,27921,27922,27923,58015,58248</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=5439250$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Tucic, N</creatorcontrib><creatorcontrib>Milosevic, M</creatorcontrib><creatorcontrib>Gliksman, I</creatorcontrib><creatorcontrib>Milanovic, D</creatorcontrib><creatorcontrib>Aleksic, I</creatorcontrib><title>effects of larval density on genetic variation and covariation among life-history traits in the bean weevil (Acanthoscelides obtectus Say)</title><title>Functional ecology</title><description>It is generally assumed that the traits leading to higher fitness are different in crowded and uncrowded environments. This study concerns the genetic variation and covariation in life-history traits of the dry bean weevil (Acanthoscelides obtectus Say) reared under low and high densities. We have demonstrated that larval crowding has genotype-specific effects on life-history traits of the weevils. Our data suggest that the genetic covariance structure among life-history traits is very sensitive to density and that genotype-density interactions affect the genetic correlations. It seems that the maintenance of genetic polymorphism in bean weevil populations may depend in part on the reversal of fitness order at different densities. We did not detect any significant correlation between plasticity and genetic variation of the life-history traits, which suggests that selection producing changes in the two types of variation can act independently.</description><subject>Acanthoscelides obtectus</subject><subject>Animal, plant and microbial ecology</subject><subject>Biological and medical sciences</subject><subject>biological development</subject><subject>Bruchidae</subject><subject>Coleoptera</subject><subject>crowding</subject><subject>Ecological life histories</subject><subject>Evolutionary genetics</subject><subject>Fecundity</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Genetic correlation</subject><subject>genetic covariance</subject><subject>genetic parameters</subject><subject>genetic variance</subject><subject>Genetic variation</subject><subject>genotype-environment interaction</subject><subject>Heritability</subject><subject>Larvae</subject><subject>life cycle (organisms)</subject><subject>Longevity</subject><subject>Phaseolus vulgaris</subject><subject>Phenotypic traits</subject><subject>population density</subject><subject>seeds</subject><subject>Weevils</subject><issn>0269-8463</issn><issn>1365-2435</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><recordid>eNp9kU1vEzEQhi0EEqFF_AR8QHwctow_kz1WFR-VKnFoe17NeseJq41dbCdV_gK_ml0lAk6crLEePTPzDmNvBFxIBcvPUq1aq8wzthDKmkZqZZ6zBUjbNitt1Uv2qpQHAGiNlAv2i7wnVwtPno-Y9zjygWIJ9cBT5GuKVIPje8wBa5h-MA7cpX_qbYprPgZPzSaUmvKB14xhEobI64Z4Txj5E9E-jPzjpcNYN6k4GsNAU9O-Ts13hd_i4dM5e-FxLPT69J6x-69f7q6-Nzc_vl1fXd40TilbG2xVb532Rg698dOq_SCE87pVXnkDmuy00rLFZQtOgBW6dX5QzkogpcGBOmPvj97HnH7uqNRuG-aJRoyUdqUTFswK9Ax-OIIup1Iy-e4xhy3mQyegm7PuTllP5LuTEovD0WeMLpQ_uNGqlQb-Yg9zUv-xvT1iHlOH6zyZ7m8lCAViaVbzEX8DpLCUKg</recordid><startdate>1991</startdate><enddate>1991</enddate><creator>Tucic, N</creator><creator>Milosevic, M</creator><creator>Gliksman, I</creator><creator>Milanovic, D</creator><creator>Aleksic, I</creator><general>British Ecological Association</general><general>Blackwell Science</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7SS</scope><scope>C1K</scope></search><sort><creationdate>1991</creationdate><title>effects of larval density on genetic variation and covariation among life-history traits in the bean weevil (Acanthoscelides obtectus Say)</title><author>Tucic, N ; Milosevic, M ; Gliksman, I ; Milanovic, D ; Aleksic, I</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c336t-a93b6c4f52db5f963bd11cf493f3f504e6eff79a790c106149cfd3c620e340c03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>Acanthoscelides obtectus</topic><topic>Animal, plant and microbial ecology</topic><topic>Biological and medical sciences</topic><topic>biological development</topic><topic>Bruchidae</topic><topic>Coleoptera</topic><topic>crowding</topic><topic>Ecological life histories</topic><topic>Evolutionary genetics</topic><topic>Fecundity</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Genetic correlation</topic><topic>genetic covariance</topic><topic>genetic parameters</topic><topic>genetic variance</topic><topic>Genetic variation</topic><topic>genotype-environment interaction</topic><topic>Heritability</topic><topic>Larvae</topic><topic>life cycle (organisms)</topic><topic>Longevity</topic><topic>Phaseolus vulgaris</topic><topic>Phenotypic traits</topic><topic>population density</topic><topic>seeds</topic><topic>Weevils</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tucic, N</creatorcontrib><creatorcontrib>Milosevic, M</creatorcontrib><creatorcontrib>Gliksman, I</creatorcontrib><creatorcontrib>Milanovic, D</creatorcontrib><creatorcontrib>Aleksic, I</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Functional ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tucic, N</au><au>Milosevic, M</au><au>Gliksman, I</au><au>Milanovic, D</au><au>Aleksic, I</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>effects of larval density on genetic variation and covariation among life-history traits in the bean weevil (Acanthoscelides obtectus Say)</atitle><jtitle>Functional ecology</jtitle><date>1991</date><risdate>1991</risdate><volume>5</volume><issue>4</issue><spage>525</spage><epage>534</epage><pages>525-534</pages><issn>0269-8463</issn><eissn>1365-2435</eissn><abstract>It is generally assumed that the traits leading to higher fitness are different in crowded and uncrowded environments. This study concerns the genetic variation and covariation in life-history traits of the dry bean weevil (Acanthoscelides obtectus Say) reared under low and high densities. We have demonstrated that larval crowding has genotype-specific effects on life-history traits of the weevils. Our data suggest that the genetic covariance structure among life-history traits is very sensitive to density and that genotype-density interactions affect the genetic correlations. It seems that the maintenance of genetic polymorphism in bean weevil populations may depend in part on the reversal of fitness order at different densities. We did not detect any significant correlation between plasticity and genetic variation of the life-history traits, which suggests that selection producing changes in the two types of variation can act independently.</abstract><cop>Oxford</cop><pub>British Ecological Association</pub><doi>10.2307/2389635</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0269-8463 |
| ispartof | Functional ecology, 1991, Vol.5 (4), p.525-534 |
| issn | 0269-8463 1365-2435 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_16058040 |
| source | JSTOR Archive Collection A-Z Listing |
| subjects | Acanthoscelides obtectus Animal, plant and microbial ecology Biological and medical sciences biological development Bruchidae Coleoptera crowding Ecological life histories Evolutionary genetics Fecundity Fundamental and applied biological sciences. Psychology Genetic correlation genetic covariance genetic parameters genetic variance Genetic variation genotype-environment interaction Heritability Larvae life cycle (organisms) Longevity Phaseolus vulgaris Phenotypic traits population density seeds Weevils |
| title | effects of larval density on genetic variation and covariation among life-history traits in the bean weevil (Acanthoscelides obtectus Say) |
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