The dispersion of the cocoon shape and its Mahalanobis's generalized-distance between races
In this report, we extracted a characteristic of the cocoon shape by the Fourier coefficient. It was known that the basic cocoon shape of the Dumbbell (Japanese race) type, the Oval (Chinese race) type, and the Hybrid (Hybridized race) type could be mainly defined by the Fourier coefficients asub(2)...
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| Veröffentlicht in: | Journal of Insect Biotechnology and Sericology 2010, Vol.79(1), pp.1_009-1_013 |
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| container_title | Journal of Insect Biotechnology and Sericology |
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| creator | Nishioka, T., Shinshu Univ., Ueda, Nagano (Japan). Faculty of Textile Science and Technology Mase, K Kajiura, Z |
| description | In this report, we extracted a characteristic of the cocoon shape by the Fourier coefficient. It was known that the basic cocoon shape of the Dumbbell (Japanese race) type, the Oval (Chinese race) type, and the Hybrid (Hybridized race) type could be mainly defined by the Fourier coefficients asub(2), asub(4), and asub(6) of the cosine terms. The principal components were obtained by using these coefficients that were standardized as asub(0)/2=12 millimeters. The cocoon shapes of a Dumbbell (Japanese race) type, a Oval (Chinese race) type and the Hybrid (Hybridized race) type are distinguishable by Fourier coefficients. In addition, using these coefficients, the Mahalanobis's generalized-distance between arbitrarily chosen two silkworm races is obtained. |
| doi_str_mv | 10.11416/jibs.79.1_009 |
| format | Article |
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Faculty of Textile Science and Technology ; Mase, K ; Kajiura, Z</creator><creatorcontrib>Nishioka, T., Shinshu Univ., Ueda, Nagano (Japan). Faculty of Textile Science and Technology ; Mase, K ; Kajiura, Z</creatorcontrib><description>In this report, we extracted a characteristic of the cocoon shape by the Fourier coefficient. It was known that the basic cocoon shape of the Dumbbell (Japanese race) type, the Oval (Chinese race) type, and the Hybrid (Hybridized race) type could be mainly defined by the Fourier coefficients asub(2), asub(4), and asub(6) of the cosine terms. The principal components were obtained by using these coefficients that were standardized as asub(0)/2=12 millimeters. The cocoon shapes of a Dumbbell (Japanese race) type, a Oval (Chinese race) type and the Hybrid (Hybridized race) type are distinguishable by Fourier coefficients. In addition, using these coefficients, the Mahalanobis's generalized-distance between arbitrarily chosen two silkworm races is obtained.</description><identifier>ISSN: 1346-8073</identifier><identifier>EISSN: 1884-7978</identifier><identifier>DOI: 10.11416/jibs.79.1_009</identifier><language>eng</language><publisher>Ibaraki: The Japanese Society of Sericultural Science</publisher><subject>BIOLOGICAL DIFFERENCES ; BOMBYX MORI ; CAPULLOS ; COCON ; COCOONS ; DIFERENCIAS BIOLOGICAS ; DIFFERENCE BIOLOGIQUE ; dumbbell (Japanese race) ; GUSANO DE SEDA ; http://www.fao.org/aos/agrovoc#c_33264 ; http://www.fao.org/aos/agrovoc#c_36538 ; http://www.fao.org/aos/agrovoc#c_49903 ; http://www.fao.org/aos/agrovoc#c_7064 ; http://www.fao.org/aos/agrovoc#c_7377 ; http://www.fao.org/aos/agrovoc#c_9357 ; hybrid (Hybridized race) ; Mahalanobis ; METHODE STATISTIQUE ; METODOS ESTADISTICOS ; MORFOLOGIA ; MORPHOLOGIE ; MORPHOLOGY ; oval (Chinese race) ; principal component ; SILKWORMS ; STATISTICAL METHODS ; VER A SOIE</subject><ispartof>Journal of Insect Biotechnology and Sericology, 2010, Vol.79(1), pp.1_009-1_013</ispartof><rights>2010 by Japan Academic Association for Copyright Clearance (Except in the USA), Copyright Clearance Center, Inc. (In the USA)</rights><rights>Copyright Japan Science and Technology Agency 2010</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,1884,27926,27927</link.rule.ids></links><search><creatorcontrib>Nishioka, T., Shinshu Univ., Ueda, Nagano (Japan). Faculty of Textile Science and Technology</creatorcontrib><creatorcontrib>Mase, K</creatorcontrib><creatorcontrib>Kajiura, Z</creatorcontrib><title>The dispersion of the cocoon shape and its Mahalanobis's generalized-distance between races</title><title>Journal of Insect Biotechnology and Sericology</title><addtitle>J. Insect Biotechnol. Sericol.</addtitle><description>In this report, we extracted a characteristic of the cocoon shape by the Fourier coefficient. It was known that the basic cocoon shape of the Dumbbell (Japanese race) type, the Oval (Chinese race) type, and the Hybrid (Hybridized race) type could be mainly defined by the Fourier coefficients asub(2), asub(4), and asub(6) of the cosine terms. The principal components were obtained by using these coefficients that were standardized as asub(0)/2=12 millimeters. The cocoon shapes of a Dumbbell (Japanese race) type, a Oval (Chinese race) type and the Hybrid (Hybridized race) type are distinguishable by Fourier coefficients. In addition, using these coefficients, the Mahalanobis's generalized-distance between arbitrarily chosen two silkworm races is obtained.</description><subject>BIOLOGICAL DIFFERENCES</subject><subject>BOMBYX MORI</subject><subject>CAPULLOS</subject><subject>COCON</subject><subject>COCOONS</subject><subject>DIFERENCIAS BIOLOGICAS</subject><subject>DIFFERENCE BIOLOGIQUE</subject><subject>dumbbell (Japanese race)</subject><subject>GUSANO DE SEDA</subject><subject>http://www.fao.org/aos/agrovoc#c_33264</subject><subject>http://www.fao.org/aos/agrovoc#c_36538</subject><subject>http://www.fao.org/aos/agrovoc#c_49903</subject><subject>http://www.fao.org/aos/agrovoc#c_7064</subject><subject>http://www.fao.org/aos/agrovoc#c_7377</subject><subject>http://www.fao.org/aos/agrovoc#c_9357</subject><subject>hybrid (Hybridized race)</subject><subject>Mahalanobis</subject><subject>METHODE STATISTIQUE</subject><subject>METODOS ESTADISTICOS</subject><subject>MORFOLOGIA</subject><subject>MORPHOLOGIE</subject><subject>MORPHOLOGY</subject><subject>oval (Chinese race)</subject><subject>principal component</subject><subject>SILKWORMS</subject><subject>STATISTICAL METHODS</subject><subject>VER A SOIE</subject><issn>1346-8073</issn><issn>1884-7978</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNo9kE1PwzAMhisEEmNw5YYUiQOnjrhJl-YIE58agsM4cYjS1FlTlXYknRD8ejKKuNh-beux9SbJKdAZAIf5ZePKMBNyBopSuZdMoCh4KqQo9mPN-DwtqGCHyVEIDaWM5TmfJG-rGknlwgZ9cH1HekuG2DG96aMKtd4g0V1F3BDIk651q7u-dOEikDV26HXrvrFKI2DQnUFS4vCJ2BGvDYbj5MDqNuDJX54mr7c3q8V9uny-e1hcLVPLsmJIJYIUmFPLBaAx0qCwosCMZxgFVIJZmaE0mcitKJmQAJmBua1Qc2mhZNPkfORufP-xxTCopt_6Lp5UwDnLgULO4tb1uNXEX9eoNt69a_-ltB-caVHt3FNCKhjDr4n_Q1Nrr7CLkLMRYnWv9Nq7oB5fMgp0ZyjL2Q8hpXaZ</recordid><startdate>20100101</startdate><enddate>20100101</enddate><creator>Nishioka, T., Shinshu Univ., Ueda, Nagano (Japan). 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Faculty of Textile Science and Technology</au><au>Mase, K</au><au>Kajiura, Z</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The dispersion of the cocoon shape and its Mahalanobis's generalized-distance between races</atitle><jtitle>Journal of Insect Biotechnology and Sericology</jtitle><addtitle>J. Insect Biotechnol. Sericol.</addtitle><date>2010-01-01</date><risdate>2010</risdate><volume>79</volume><issue>1</issue><spage>1_009</spage><epage>1_013</epage><pages>1_009-1_013</pages><issn>1346-8073</issn><eissn>1884-7978</eissn><abstract>In this report, we extracted a characteristic of the cocoon shape by the Fourier coefficient. It was known that the basic cocoon shape of the Dumbbell (Japanese race) type, the Oval (Chinese race) type, and the Hybrid (Hybridized race) type could be mainly defined by the Fourier coefficients asub(2), asub(4), and asub(6) of the cosine terms. The principal components were obtained by using these coefficients that were standardized as asub(0)/2=12 millimeters. The cocoon shapes of a Dumbbell (Japanese race) type, a Oval (Chinese race) type and the Hybrid (Hybridized race) type are distinguishable by Fourier coefficients. In addition, using these coefficients, the Mahalanobis's generalized-distance between arbitrarily chosen two silkworm races is obtained.</abstract><cop>Ibaraki</cop><pub>The Japanese Society of Sericultural Science</pub><doi>10.11416/jibs.79.1_009</doi><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 1346-8073 |
| ispartof | Journal of Insect Biotechnology and Sericology, 2010, Vol.79(1), pp.1_009-1_013 |
| issn | 1346-8073 1884-7978 |
| language | eng |
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| source | J-STAGE Free; EZB-FREE-00999 freely available EZB journals |
| subjects | BIOLOGICAL DIFFERENCES BOMBYX MORI CAPULLOS COCON COCOONS DIFERENCIAS BIOLOGICAS DIFFERENCE BIOLOGIQUE dumbbell (Japanese race) GUSANO DE SEDA http://www.fao.org/aos/agrovoc#c_33264 http://www.fao.org/aos/agrovoc#c_36538 http://www.fao.org/aos/agrovoc#c_49903 http://www.fao.org/aos/agrovoc#c_7064 http://www.fao.org/aos/agrovoc#c_7377 http://www.fao.org/aos/agrovoc#c_9357 hybrid (Hybridized race) Mahalanobis METHODE STATISTIQUE METODOS ESTADISTICOS MORFOLOGIA MORPHOLOGIE MORPHOLOGY oval (Chinese race) principal component SILKWORMS STATISTICAL METHODS VER A SOIE |
| title | The dispersion of the cocoon shape and its Mahalanobis's generalized-distance between races |
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