Characterization, Genetic Variation, and Combining Ability of Maize Traits Relevant to the Production of Cellulosic Ethanol
Maize (Zea mays L.) stover has been identified as an important feedstock for the production of cellulosic ethanol. Our objectives were to measure hybrid effect and combining ability patterns of traits related to cellulosic ethanol production, determine if germplasm and mutations used for silage prod...
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| Veröffentlicht in: | Crop science 2009-01, Vol.49 (1), p.85-98 |
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| creator | Lorenz, A.J Coors, J.G De Leon, N Wolfrum E.J Hames, B.R Sluiter, A.D Weimer, P.J |
| description | Maize (Zea mays L.) stover has been identified as an important feedstock for the production of cellulosic ethanol. Our objectives were to measure hybrid effect and combining ability patterns of traits related to cellulosic ethanol production, determine if germplasm and mutations used for silage production would also be beneficial for feedstock production, and examine relationships between traits that are relevant to selective breeding. We evaluated grain hybrids, germplasm bred for silage production, brown-midrib hybrids, and a leafy hybrid. Yield and composition traits were measured in four environments. There was a 53% difference in stover yield between commercial grain hybrids that were equivalent for other production-related traits. Silage germplasm may be useful for increasing stover yield and reducing lignin concentration. We found much more variation among hybrids than either in vitro ruminal fermentability or polysaccharide concentration. Correlations between traits were mostly favorable or nonexistent. Our results suggest that utilizing standing genetic variation of maize in breeding programs could substantially increase the amount of biofuels produced from stover per unit area of land. |
| doi_str_mv | 10.2135/cropsci2008.06.0306 |
| format | Article |
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Soil science and plant productions ; BASIC BIOLOGICAL SCIENCES ; Biodiesel fuels ; Bioenergy ; BIOFUELS ; Biological and medical sciences ; Biomass ; BREEDING ; cellulose ; CELLULOSIC ETHANOL ; Corn ; corn silage ; corn stover ; Ethanol ; ethanol production ; Fundamental and applied biological sciences. Psychology ; general combining ability ; Genetic diversity ; genetic variation ; GENETICS ; Genetics and breeding of economic plants ; germplasm ; Grasses ; Heterosis. 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(NREL), Golden, CO (United States)</creatorcontrib><title>Characterization, Genetic Variation, and Combining Ability of Maize Traits Relevant to the Production of Cellulosic Ethanol</title><title>Crop science</title><description>Maize (Zea mays L.) stover has been identified as an important feedstock for the production of cellulosic ethanol. Our objectives were to measure hybrid effect and combining ability patterns of traits related to cellulosic ethanol production, determine if germplasm and mutations used for silage production would also be beneficial for feedstock production, and examine relationships between traits that are relevant to selective breeding. We evaluated grain hybrids, germplasm bred for silage production, brown-midrib hybrids, and a leafy hybrid. Yield and composition traits were measured in four environments. There was a 53% difference in stover yield between commercial grain hybrids that were equivalent for other production-related traits. Silage germplasm may be useful for increasing stover yield and reducing lignin concentration. We found much more variation among hybrids than either in vitro ruminal fermentability or polysaccharide concentration. Correlations between traits were mostly favorable or nonexistent. Our results suggest that utilizing standing genetic variation of maize in breeding programs could substantially increase the amount of biofuels produced from stover per unit area of land.</description><subject>09 BIOMASS FUELS</subject><subject>AGRICULTURAL WASTES</subject><subject>Agronomy. Soil science and plant productions</subject><subject>BASIC BIOLOGICAL SCIENCES</subject><subject>Biodiesel fuels</subject><subject>Bioenergy</subject><subject>BIOFUELS</subject><subject>Biological and medical sciences</subject><subject>Biomass</subject><subject>BREEDING</subject><subject>cellulose</subject><subject>CELLULOSIC ETHANOL</subject><subject>Corn</subject><subject>corn silage</subject><subject>corn stover</subject><subject>Ethanol</subject><subject>ethanol production</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>general combining ability</subject><subject>Genetic diversity</subject><subject>genetic variation</subject><subject>GENETICS</subject><subject>Genetics and breeding of economic plants</subject><subject>germplasm</subject><subject>Grasses</subject><subject>Heterosis. 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Soil science and plant productions</topic><topic>BASIC BIOLOGICAL SCIENCES</topic><topic>Biodiesel fuels</topic><topic>Bioenergy</topic><topic>BIOFUELS</topic><topic>Biological and medical sciences</topic><topic>Biomass</topic><topic>BREEDING</topic><topic>cellulose</topic><topic>CELLULOSIC ETHANOL</topic><topic>Corn</topic><topic>corn silage</topic><topic>corn stover</topic><topic>Ethanol</topic><topic>ethanol production</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>general combining ability</topic><topic>Genetic diversity</topic><topic>genetic variation</topic><topic>GENETICS</topic><topic>Genetics and breeding of economic plants</topic><topic>germplasm</topic><topic>Grasses</topic><topic>Heterosis. Floral biology applications: apomixy, male sterility, incompatibility, varia</topic><topic>Hybrids</topic><topic>IN VITRO</topic><topic>in vitro digestibility</topic><topic>LIGNIN</topic><topic>MAIZE</topic><topic>MUTATIONS</topic><topic>Nonfiction</topic><topic>Plant breeding: fundamental aspects and methodology</topic><topic>POLYSACCHARIDES</topic><topic>PRODUCTION</topic><topic>Selective breeding</topic><topic>Silage</topic><topic>Stover</topic><topic>Zea mays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lorenz, A.J</creatorcontrib><creatorcontrib>Coors, J.G</creatorcontrib><creatorcontrib>De Leon, N</creatorcontrib><creatorcontrib>Wolfrum E.J</creatorcontrib><creatorcontrib>Hames, B.R</creatorcontrib><creatorcontrib>Sluiter, A.D</creatorcontrib><creatorcontrib>Weimer, P.J</creatorcontrib><creatorcontrib>National Renewable Energy Lab. 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(NREL), Golden, CO (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characterization, Genetic Variation, and Combining Ability of Maize Traits Relevant to the Production of Cellulosic Ethanol</atitle><jtitle>Crop science</jtitle><date>2009-01</date><risdate>2009</risdate><volume>49</volume><issue>1</issue><spage>85</spage><epage>98</epage><pages>85-98</pages><issn>0011-183X</issn><eissn>1435-0653</eissn><coden>CRPSAY</coden><abstract>Maize (Zea mays L.) stover has been identified as an important feedstock for the production of cellulosic ethanol. Our objectives were to measure hybrid effect and combining ability patterns of traits related to cellulosic ethanol production, determine if germplasm and mutations used for silage production would also be beneficial for feedstock production, and examine relationships between traits that are relevant to selective breeding. We evaluated grain hybrids, germplasm bred for silage production, brown-midrib hybrids, and a leafy hybrid. Yield and composition traits were measured in four environments. There was a 53% difference in stover yield between commercial grain hybrids that were equivalent for other production-related traits. Silage germplasm may be useful for increasing stover yield and reducing lignin concentration. We found much more variation among hybrids than either in vitro ruminal fermentability or polysaccharide concentration. Correlations between traits were mostly favorable or nonexistent. Our results suggest that utilizing standing genetic variation of maize in breeding programs could substantially increase the amount of biofuels produced from stover per unit area of land.</abstract><cop>Madison</cop><pub>Crop Science Society of America</pub><doi>10.2135/cropsci2008.06.0306</doi><tpages>14</tpages></addata></record> |
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| subjects | 09 BIOMASS FUELS AGRICULTURAL WASTES Agronomy. Soil science and plant productions BASIC BIOLOGICAL SCIENCES Biodiesel fuels Bioenergy BIOFUELS Biological and medical sciences Biomass BREEDING cellulose CELLULOSIC ETHANOL Corn corn silage corn stover Ethanol ethanol production Fundamental and applied biological sciences. Psychology general combining ability Genetic diversity genetic variation GENETICS Genetics and breeding of economic plants germplasm Grasses Heterosis. Floral biology applications: apomixy, male sterility, incompatibility, varia Hybrids IN VITRO in vitro digestibility LIGNIN MAIZE MUTATIONS Nonfiction Plant breeding: fundamental aspects and methodology POLYSACCHARIDES PRODUCTION Selective breeding Silage Stover Zea mays |
| title | Characterization, Genetic Variation, and Combining Ability of Maize Traits Relevant to the Production of Cellulosic Ethanol |
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