Theoretical and Empirical Relationships Between Oat Test Weight and Groat Proportion
Test weight and groat proportion are two very important quality characteristics of oat grain. In this study, we pose the hypothesis that these two characteristics are related through characteristics of grain density. Test weight is defined as the product of kernel density and packing proportion. Gro...
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| Veröffentlicht in: | Cereal chemistry 2009-03, Vol.86 (2), p.239-246 |
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| creator | Doehlert, Douglas C Ohm, Jae-Bom McMullen, Michael S Riveland, Neil R |
| description | Test weight and groat proportion are two very important quality characteristics of oat grain. In this study, we pose the hypothesis that these two characteristics are related through characteristics of grain density. Test weight is defined as the product of kernel density and packing proportion. Groat proportion, in theory, is the ratio of the groat mass to the kernel mass. We present two theoretical constructions expressing test weight in terms of groat proportion, packing proportion and kernel density components. To test these, we have applied measurements of test weight, groat proportion, kernel density components, and packing proportion of 18 oat cultivars grown at six environments. Whereas the groat proportion alone accounted for only 34% of the variation in test weight, our theoretical constructions that included groat proportion could account for |
| doi_str_mv | 10.1094/CCHEM-86-2-0239 |
| format | Article |
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In this study, we pose the hypothesis that these two characteristics are related through characteristics of grain density. Test weight is defined as the product of kernel density and packing proportion. Groat proportion, in theory, is the ratio of the groat mass to the kernel mass. We present two theoretical constructions expressing test weight in terms of groat proportion, packing proportion and kernel density components. To test these, we have applied measurements of test weight, groat proportion, kernel density components, and packing proportion of 18 oat cultivars grown at six environments. Whereas the groat proportion alone accounted for only 34% of the variation in test weight, our theoretical constructions that included groat proportion could account for <or= 82% of variation in test weight. Also, we present previously undescribed variation in oat kernel density components across genotypes and environments. Although the kernel density alone could account for most of the variation in test weight across genotypes, packing proportion appeared to be more important in describing variation in test weight of a genotype across different environments. We observed significant variation in both groat and hull density which, together with groat proportion, described most of the variation in kernel density.</description><identifier>ISSN: 0009-0352</identifier><identifier>EISSN: 1943-3638</identifier><identifier>DOI: 10.1094/CCHEM-86-2-0239</identifier><identifier>CODEN: CECHAF</identifier><language>eng</language><publisher>St. Paul, MN: The American Association of Cereal Chemists, Inc</publisher><subject>Avena sativa ; Biological and medical sciences ; bulk density ; Cereal and baking product industries ; environmental factors ; Food industries ; food quality ; Fundamental and applied biological sciences. Psychology ; groat proportion ; mass ; mathematical models ; oat groats ; oats ; seed weight ; test weight ; weight</subject><ispartof>Cereal chemistry, 2009-03, Vol.86 (2), p.239-246</ispartof><rights>AACC International</rights><rights>2009 INIST-CNRS</rights><rights>Copyright American Association of Cereal Chemists Mar/Apr 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3689-d7c1250b73a73849abc5cded191be87406e707d5fae8906093e9e64df64eb1dd3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1094%2FCCHEM-86-2-0239$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1094%2FCCHEM-86-2-0239$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,782,786,1419,27933,27934,45583,45584</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21316208$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Doehlert, Douglas C</creatorcontrib><creatorcontrib>Ohm, Jae-Bom</creatorcontrib><creatorcontrib>McMullen, Michael S</creatorcontrib><creatorcontrib>Riveland, Neil R</creatorcontrib><title>Theoretical and Empirical Relationships Between Oat Test Weight and Groat Proportion</title><title>Cereal chemistry</title><description>Test weight and groat proportion are two very important quality characteristics of oat grain. In this study, we pose the hypothesis that these two characteristics are related through characteristics of grain density. Test weight is defined as the product of kernel density and packing proportion. Groat proportion, in theory, is the ratio of the groat mass to the kernel mass. We present two theoretical constructions expressing test weight in terms of groat proportion, packing proportion and kernel density components. To test these, we have applied measurements of test weight, groat proportion, kernel density components, and packing proportion of 18 oat cultivars grown at six environments. Whereas the groat proportion alone accounted for only 34% of the variation in test weight, our theoretical constructions that included groat proportion could account for <or= 82% of variation in test weight. Also, we present previously undescribed variation in oat kernel density components across genotypes and environments. Although the kernel density alone could account for most of the variation in test weight across genotypes, packing proportion appeared to be more important in describing variation in test weight of a genotype across different environments. We observed significant variation in both groat and hull density which, together with groat proportion, described most of the variation in kernel density.</description><subject>Avena sativa</subject><subject>Biological and medical sciences</subject><subject>bulk density</subject><subject>Cereal and baking product industries</subject><subject>environmental factors</subject><subject>Food industries</subject><subject>food quality</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>groat proportion</subject><subject>mass</subject><subject>mathematical models</subject><subject>oat groats</subject><subject>oats</subject><subject>seed weight</subject><subject>test weight</subject><subject>weight</subject><issn>0009-0352</issn><issn>1943-3638</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNqFkM1LAzEQxYMoWKtnjy6Cx7WTZDebHLXUVlAq2uIxpLuz7ZZ2syZbSv970w-8egovvPebmUfILYVHCirp9fujwXssRcxiYFydkQ5VCY-54PKcdABAxcBTdkmuvF8GyWnGO2QyWaB12Fa5WUWmLqLBuqncQX3iyrSVrf2ianz0jO0WsY7Gpo0m6NvoG6v5oj1khs6G3w9nG-v2iWtyUZqVx5vT2yXTl8GkP4rfxsPX_tNbnHMhVVxkOWUpzDJuMi4TZWZ5mhdYUEVnKLMEBGaQFWlpUCoQoDgqFElRigRntCh4l9wfuY2zP5uwlF7ajavDSM14OFFSlgVT72jKnfXeYakbV62N22kKet-cPjSnpdBM75sLiYcT1vhQROlMnVf-L8Yop4KBDL706NtWK9z9hz3oE__umCuN1WbuAnv6xYBy2HNVCvwX266HHQ</recordid><startdate>200903</startdate><enddate>200903</enddate><creator>Doehlert, Douglas C</creator><creator>Ohm, Jae-Bom</creator><creator>McMullen, Michael S</creator><creator>Riveland, Neil R</creator><general>The American Association of Cereal Chemists, Inc</general><general>American Association of Cereal Chemists</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>4T-</scope><scope>7X2</scope><scope>7XB</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M0K</scope><scope>M2O</scope><scope>M7S</scope><scope>MBDVC</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>S0X</scope></search><sort><creationdate>200903</creationdate><title>Theoretical and Empirical Relationships Between Oat Test Weight and Groat Proportion</title><author>Doehlert, Douglas C ; Ohm, Jae-Bom ; McMullen, Michael S ; Riveland, Neil R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3689-d7c1250b73a73849abc5cded191be87406e707d5fae8906093e9e64df64eb1dd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Avena sativa</topic><topic>Biological and medical sciences</topic><topic>bulk density</topic><topic>Cereal and baking product industries</topic><topic>environmental factors</topic><topic>Food industries</topic><topic>food quality</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>groat proportion</topic><topic>mass</topic><topic>mathematical models</topic><topic>oat groats</topic><topic>oats</topic><topic>seed weight</topic><topic>test weight</topic><topic>weight</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Doehlert, Douglas C</creatorcontrib><creatorcontrib>Ohm, Jae-Bom</creatorcontrib><creatorcontrib>McMullen, Michael S</creatorcontrib><creatorcontrib>Riveland, Neil R</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Docstoc</collection><collection>Agricultural Science Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Agricultural Science Database</collection><collection>Research Library</collection><collection>Engineering Database</collection><collection>Research Library (Corporate)</collection><collection>Environmental Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>SIRS Editorial</collection><jtitle>Cereal chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Doehlert, Douglas C</au><au>Ohm, Jae-Bom</au><au>McMullen, Michael S</au><au>Riveland, Neil R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Theoretical and Empirical Relationships Between Oat Test Weight and Groat Proportion</atitle><jtitle>Cereal chemistry</jtitle><date>2009-03</date><risdate>2009</risdate><volume>86</volume><issue>2</issue><spage>239</spage><epage>246</epage><pages>239-246</pages><issn>0009-0352</issn><eissn>1943-3638</eissn><coden>CECHAF</coden><abstract>Test weight and groat proportion are two very important quality characteristics of oat grain. In this study, we pose the hypothesis that these two characteristics are related through characteristics of grain density. Test weight is defined as the product of kernel density and packing proportion. Groat proportion, in theory, is the ratio of the groat mass to the kernel mass. We present two theoretical constructions expressing test weight in terms of groat proportion, packing proportion and kernel density components. To test these, we have applied measurements of test weight, groat proportion, kernel density components, and packing proportion of 18 oat cultivars grown at six environments. Whereas the groat proportion alone accounted for only 34% of the variation in test weight, our theoretical constructions that included groat proportion could account for <or= 82% of variation in test weight. Also, we present previously undescribed variation in oat kernel density components across genotypes and environments. Although the kernel density alone could account for most of the variation in test weight across genotypes, packing proportion appeared to be more important in describing variation in test weight of a genotype across different environments. We observed significant variation in both groat and hull density which, together with groat proportion, described most of the variation in kernel density.</abstract><cop>St. Paul, MN</cop><pub>The American Association of Cereal Chemists, Inc</pub><doi>10.1094/CCHEM-86-2-0239</doi><tpages>8</tpages></addata></record> |
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| subjects | Avena sativa Biological and medical sciences bulk density Cereal and baking product industries environmental factors Food industries food quality Fundamental and applied biological sciences. Psychology groat proportion mass mathematical models oat groats oats seed weight test weight weight |
| title | Theoretical and Empirical Relationships Between Oat Test Weight and Groat Proportion |
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