Low nitrogen tolerance in tropical quality protein maize ( Zea mays L.): value of predictive traits
In the tropics, maize (Zea mays L.) is often grown under low N conditions. Information on the respective role of N uptake and partitioning at anthesis in determining grain yield under low N is scarce. Senescence traits have been proposed as secondary traits to select for low N tolerance, but the sta...
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description | In the tropics, maize (Zea mays L.) is often grown under low N conditions. Information on the respective role of N uptake and partitioning at anthesis in determining grain yield under low N is scarce. Senescence traits have been proposed as secondary traits to select for low N tolerance, but the stability of their association with yield under different environmental conditions has been rarely described. In the present study we analyzed the associations between grain yield, N uptake and partitioning at anthesis, dry matter matter partitioning, and senescence traits during two seaons in QPM (quality protein maize) hybrids. Association between grain yield and N uptake at anthesis, when found, was mainly explained by a close relationship between grain yield and above-ground biomass. No relationship was found between grain yield and N partitioning at anthesis. In both seasons grain yield was significantly positively associated with ear to above-ground biomass and ear to tassel weight ratios. The magnitude of the correlation between grain yield and senescence traits highly depended on climatic conditions. |
doi_str_mv | 10.1556/CRC.34.2006.4.264 |
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Cabon ; C. Sánchez</creator><creatorcontrib>Monneveux, P ; G. Cabon ; C. Sánchez</creatorcontrib><description>In the tropics, maize (Zea mays L.) is often grown under low N conditions. Information on the respective role of N uptake and partitioning at anthesis in determining grain yield under low N is scarce. Senescence traits have been proposed as secondary traits to select for low N tolerance, but the stability of their association with yield under different environmental conditions has been rarely described. In the present study we analyzed the associations between grain yield, N uptake and partitioning at anthesis, dry matter matter partitioning, and senescence traits during two seaons in QPM (quality protein maize) hybrids. Association between grain yield and N uptake at anthesis, when found, was mainly explained by a close relationship between grain yield and above-ground biomass. No relationship was found between grain yield and N partitioning at anthesis. In both seasons grain yield was significantly positively associated with ear to above-ground biomass and ear to tassel weight ratios. The magnitude of the correlation between grain yield and senescence traits highly depended on climatic conditions.</description><identifier>ISSN: 0133-3720</identifier><identifier>EISSN: 1788-9170</identifier><identifier>DOI: 10.1556/CRC.34.2006.4.264</identifier><language>eng</language><publisher>Akadémiai KiadÃ</publisher><subject>aboveground biomass ; Agricultural sciences ; climatic factors ; Corn ; corn ears ; Crop science ; ears ; Flowering ; Genotypes ; grain yield ; Grains ; hybrids ; Life Sciences ; N deficiency ; N partitioning ; N uptake ; Nitrogen ; Plants ; QPM (quality protein maize) ; Quality ; Seasons ; senescence ; Summer ; tropics ; Winter ; Zea mays ; Zea mays L</subject><ispartof>Cereal research communications, 2006-01, Vol.34 (4), p.1239-1246</ispartof><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c325t-f7547aa5a11585a399c8a4ddb52249a8506c8183c1aaf169474a75efe6d8a13f3</citedby><cites>FETCH-LOGICAL-c325t-f7547aa5a11585a399c8a4ddb52249a8506c8183c1aaf169474a75efe6d8a13f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/23788060$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/23788060$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>230,314,780,784,803,885,27924,27925,58017,58250</link.rule.ids><backlink>$$Uhttps://hal.inrae.fr/hal-02660810$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Monneveux, P</creatorcontrib><creatorcontrib>G. Cabon</creatorcontrib><creatorcontrib>C. Sánchez</creatorcontrib><title>Low nitrogen tolerance in tropical quality protein maize ( Zea mays L.): value of predictive traits</title><title>Cereal research communications</title><description>In the tropics, maize (Zea mays L.) is often grown under low N conditions. Information on the respective role of N uptake and partitioning at anthesis in determining grain yield under low N is scarce. Senescence traits have been proposed as secondary traits to select for low N tolerance, but the stability of their association with yield under different environmental conditions has been rarely described. In the present study we analyzed the associations between grain yield, N uptake and partitioning at anthesis, dry matter matter partitioning, and senescence traits during two seaons in QPM (quality protein maize) hybrids. Association between grain yield and N uptake at anthesis, when found, was mainly explained by a close relationship between grain yield and above-ground biomass. No relationship was found between grain yield and N partitioning at anthesis. In both seasons grain yield was significantly positively associated with ear to above-ground biomass and ear to tassel weight ratios. The magnitude of the correlation between grain yield and senescence traits highly depended on climatic conditions.</description><subject>aboveground biomass</subject><subject>Agricultural sciences</subject><subject>climatic factors</subject><subject>Corn</subject><subject>corn ears</subject><subject>Crop science</subject><subject>ears</subject><subject>Flowering</subject><subject>Genotypes</subject><subject>grain yield</subject><subject>Grains</subject><subject>hybrids</subject><subject>Life Sciences</subject><subject>N deficiency</subject><subject>N partitioning</subject><subject>N uptake</subject><subject>Nitrogen</subject><subject>Plants</subject><subject>QPM (quality protein maize)</subject><subject>Quality</subject><subject>Seasons</subject><subject>senescence</subject><subject>Summer</subject><subject>tropics</subject><subject>Winter</subject><subject>Zea mays</subject><subject>Zea mays L</subject><issn>0133-3720</issn><issn>1788-9170</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNo9kE9P3DAQxa2qSN1CPwCHCh_hkDAT_4nDDa1aQIqEBOXCxRq8DjUK68UOi5ZPj1eLOL2Zee_N4cfYIUKNSunT-c28FrJuAHRdRMtvbIatMVWHLXxnM0AhKtE28IP9zPkJQMmukzPm-vjGl2FK8dEv-RRHn2jpPA9lSXEVHI385ZXGMG34KsXJF-OZwrvnx_zeU5k3mff1yRlf0_jqeRxKzC-Cm8LalxcUpnzA9gYas__1qfvs7u-ff_PLqr--uJqf95UTjZqqoVWyJVKEqIwi0XXOkFwsHlTTyI6MAu0MGuGQaEDdyVZSq_zg9cIQikHss5Pd3_802lUKz5Q2NlKwl-e93d6g0RoMwhpLFndZl2LOyQ9fBQS7JWoLUSuk3RK1RbQsnd-7zlOeYvoqNKJwBg3FP9r5A0VLjylke3fbAGoANKYTQnwAIh97aA</recordid><startdate>20060101</startdate><enddate>20060101</enddate><creator>Monneveux, P</creator><creator>G. Cabon</creator><creator>C. Sánchez</creator><general>Akadémiai KiadÃ</general><general>Cereal Research Non-Profit Company</general><general>Akadémiai Kiadó</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope></search><sort><creationdate>20060101</creationdate><title>Low nitrogen tolerance in tropical quality protein maize ( Zea mays L.): value of predictive traits</title><author>Monneveux, P ; G. Cabon ; C. Sánchez</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c325t-f7547aa5a11585a399c8a4ddb52249a8506c8183c1aaf169474a75efe6d8a13f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>aboveground biomass</topic><topic>Agricultural sciences</topic><topic>climatic factors</topic><topic>Corn</topic><topic>corn ears</topic><topic>Crop science</topic><topic>ears</topic><topic>Flowering</topic><topic>Genotypes</topic><topic>grain yield</topic><topic>Grains</topic><topic>hybrids</topic><topic>Life Sciences</topic><topic>N deficiency</topic><topic>N partitioning</topic><topic>N uptake</topic><topic>Nitrogen</topic><topic>Plants</topic><topic>QPM (quality protein maize)</topic><topic>Quality</topic><topic>Seasons</topic><topic>senescence</topic><topic>Summer</topic><topic>tropics</topic><topic>Winter</topic><topic>Zea mays</topic><topic>Zea mays L</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Monneveux, P</creatorcontrib><creatorcontrib>G. Cabon</creatorcontrib><creatorcontrib>C. Sánchez</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Cereal research communications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Monneveux, P</au><au>G. Cabon</au><au>C. Sánchez</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Low nitrogen tolerance in tropical quality protein maize ( Zea mays L.): value of predictive traits</atitle><jtitle>Cereal research communications</jtitle><date>2006-01-01</date><risdate>2006</risdate><volume>34</volume><issue>4</issue><spage>1239</spage><epage>1246</epage><pages>1239-1246</pages><issn>0133-3720</issn><eissn>1788-9170</eissn><abstract>In the tropics, maize (Zea mays L.) is often grown under low N conditions. Information on the respective role of N uptake and partitioning at anthesis in determining grain yield under low N is scarce. Senescence traits have been proposed as secondary traits to select for low N tolerance, but the stability of their association with yield under different environmental conditions has been rarely described. In the present study we analyzed the associations between grain yield, N uptake and partitioning at anthesis, dry matter matter partitioning, and senescence traits during two seaons in QPM (quality protein maize) hybrids. Association between grain yield and N uptake at anthesis, when found, was mainly explained by a close relationship between grain yield and above-ground biomass. No relationship was found between grain yield and N partitioning at anthesis. In both seasons grain yield was significantly positively associated with ear to above-ground biomass and ear to tassel weight ratios. The magnitude of the correlation between grain yield and senescence traits highly depended on climatic conditions.</abstract><pub>Akadémiai KiadÃ</pub><doi>10.1556/CRC.34.2006.4.264</doi><tpages>8</tpages></addata></record> |
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source | SpringerNature Journals; JSTOR Archive Collection A-Z Listing |
subjects | aboveground biomass Agricultural sciences climatic factors Corn corn ears Crop science ears Flowering Genotypes grain yield Grains hybrids Life Sciences N deficiency N partitioning N uptake Nitrogen Plants QPM (quality protein maize) Quality Seasons senescence Summer tropics Winter Zea mays Zea mays L |
title | Low nitrogen tolerance in tropical quality protein maize ( Zea mays L.): value of predictive traits |
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