A High-Yielding Rice Cultivar “Takanari” Shows No N Constraints on CO2 Fertilization

Enhancing crop yield response to elevated CO2 concentrations (E-[CO2]) is an important adaptation measure to climate change. A high-yielding indica rice cultivar “Takanari” has recently been identified as a potential candidate for high productivity in E-[CO2] resulting from its large sink and source...
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Autor*in:	Toshihiro Hasegawa [verfasserIn] Hidemitsu Sakai [verfasserIn] Takeshi Tokida [verfasserIn] Yasuhiro Usui [verfasserIn] Hirofumi Nakamura [verfasserIn] Hitomi Wakatsuki [verfasserIn] Charles P. Chen [verfasserIn] Hiroki Ikawa [verfasserIn] Guoyou Zhang [verfasserIn] Hiroshi Nakano [verfasserIn] Miwa Yashima Matsushima [verfasserIn] Kentaro Hayashi [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	chalky grains climate change adaptation CO2 fertilization effects FACE grain appearance quality grain yield

Übergeordnetes Werk:	In: Frontiers in Plant Science - Frontiers Media S.A., 2011, 10(2019)
Übergeordnetes Werk:	volume:10 ; year:2019

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3389/fpls.2019.00361

Katalog-ID:	DOAJ029947553

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520			\|a Enhancing crop yield response to elevated CO2 concentrations (E-[CO2]) is an important adaptation measure to climate change. A high-yielding indica rice cultivar “Takanari” has recently been identified as a potential candidate for high productivity in E-[CO2] resulting from its large sink and source capacities. To fully utilize these traits, nitrogen should play a major role, but it is unknown how N levels influence the yield response of Takanari to E-[CO2]. We therefore compared grain yield and quality of Takanari with those of Koshihikari, a standard japonica cultivar, in response to Free-Air CO2 enrichment (FACE, +200 μmol mol−1) under three N levels (0, 8, and 12 g m−2) over three seasons. The biomass of both cultivars increased under E-[CO2] at all N levels; however, the harvest index decreased under E-[CO2] in the N-limited treatment for Koshihikari but not for Takanari. The decreased harvest index of Koshihikari resulted from limited enhancement of spikelet number under N-limitation. In contrast, spikelet number increased in E-[CO2] in Takanari even without N application, resulting in significant yield enhancement, averaging 18% over 3 years, whereas Koshihikari exhibited virtually no increase in yield in E-[CO2] under the N-limited condition. Grain appearance quality of Koshihikari was severely reduced by E-[CO2], most notably in N-limited and hot conditions, by a substantial increase in chalky grain, but chalky grain % did not increase in E-[CO2] even without N fertilizer. These results indicated that Takanari could retain its high yield advantage over Koshihikari with limited increase in chalkiness even under limited N conditions and that it could be a useful genetic resource for improving N use efficiency under E-[CO2].
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allfields	10.3389/fpls.2019.00361 doi (DE-627)DOAJ029947553 (DE-599)DOAJf8da0ca54185492784a33debcd65dc1f DE-627 ger DE-627 rakwb eng SB1-1110 Toshihiro Hasegawa verfasserin aut A High-Yielding Rice Cultivar “Takanari” Shows No N Constraints on CO2 Fertilization 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Enhancing crop yield response to elevated CO2 concentrations (E-[CO2]) is an important adaptation measure to climate change. A high-yielding indica rice cultivar “Takanari” has recently been identified as a potential candidate for high productivity in E-[CO2] resulting from its large sink and source capacities. To fully utilize these traits, nitrogen should play a major role, but it is unknown how N levels influence the yield response of Takanari to E-[CO2]. We therefore compared grain yield and quality of Takanari with those of Koshihikari, a standard japonica cultivar, in response to Free-Air CO2 enrichment (FACE, +200 μmol mol−1) under three N levels (0, 8, and 12 g m−2) over three seasons. The biomass of both cultivars increased under E-[CO2] at all N levels; however, the harvest index decreased under E-[CO2] in the N-limited treatment for Koshihikari but not for Takanari. The decreased harvest index of Koshihikari resulted from limited enhancement of spikelet number under N-limitation. In contrast, spikelet number increased in E-[CO2] in Takanari even without N application, resulting in significant yield enhancement, averaging 18% over 3 years, whereas Koshihikari exhibited virtually no increase in yield in E-[CO2] under the N-limited condition. Grain appearance quality of Koshihikari was severely reduced by E-[CO2], most notably in N-limited and hot conditions, by a substantial increase in chalky grain, but chalky grain % did not increase in E-[CO2] even without N fertilizer. These results indicated that Takanari could retain its high yield advantage over Koshihikari with limited increase in chalkiness even under limited N conditions and that it could be a useful genetic resource for improving N use efficiency under E-[CO2]. chalky grains climate change adaptation CO2 fertilization effects FACE grain appearance quality grain yield Plant culture Hidemitsu Sakai verfasserin aut Takeshi Tokida verfasserin aut Yasuhiro Usui verfasserin aut Yasuhiro Usui verfasserin aut Hirofumi Nakamura verfasserin aut Hitomi Wakatsuki verfasserin aut Charles P. Chen verfasserin aut Hiroki Ikawa verfasserin aut Guoyou Zhang verfasserin aut Hiroshi Nakano verfasserin aut Miwa Yashima Matsushima verfasserin aut Kentaro Hayashi verfasserin aut In Frontiers in Plant Science Frontiers Media S.A., 2011 10(2019) (DE-627)662359240 (DE-600)2613694-6 1664462X nnns volume:10 year:2019 https://doi.org/10.3389/fpls.2019.00361 kostenfrei https://doaj.org/article/f8da0ca54185492784a33debcd65dc1f kostenfrei https://www.frontiersin.org/article/10.3389/fpls.2019.00361/full kostenfrei https://doaj.org/toc/1664-462X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2019
spelling	10.3389/fpls.2019.00361 doi (DE-627)DOAJ029947553 (DE-599)DOAJf8da0ca54185492784a33debcd65dc1f DE-627 ger DE-627 rakwb eng SB1-1110 Toshihiro Hasegawa verfasserin aut A High-Yielding Rice Cultivar “Takanari” Shows No N Constraints on CO2 Fertilization 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Enhancing crop yield response to elevated CO2 concentrations (E-[CO2]) is an important adaptation measure to climate change. A high-yielding indica rice cultivar “Takanari” has recently been identified as a potential candidate for high productivity in E-[CO2] resulting from its large sink and source capacities. To fully utilize these traits, nitrogen should play a major role, but it is unknown how N levels influence the yield response of Takanari to E-[CO2]. We therefore compared grain yield and quality of Takanari with those of Koshihikari, a standard japonica cultivar, in response to Free-Air CO2 enrichment (FACE, +200 μmol mol−1) under three N levels (0, 8, and 12 g m−2) over three seasons. The biomass of both cultivars increased under E-[CO2] at all N levels; however, the harvest index decreased under E-[CO2] in the N-limited treatment for Koshihikari but not for Takanari. The decreased harvest index of Koshihikari resulted from limited enhancement of spikelet number under N-limitation. In contrast, spikelet number increased in E-[CO2] in Takanari even without N application, resulting in significant yield enhancement, averaging 18% over 3 years, whereas Koshihikari exhibited virtually no increase in yield in E-[CO2] under the N-limited condition. Grain appearance quality of Koshihikari was severely reduced by E-[CO2], most notably in N-limited and hot conditions, by a substantial increase in chalky grain, but chalky grain % did not increase in E-[CO2] even without N fertilizer. These results indicated that Takanari could retain its high yield advantage over Koshihikari with limited increase in chalkiness even under limited N conditions and that it could be a useful genetic resource for improving N use efficiency under E-[CO2]. chalky grains climate change adaptation CO2 fertilization effects FACE grain appearance quality grain yield Plant culture Hidemitsu Sakai verfasserin aut Takeshi Tokida verfasserin aut Yasuhiro Usui verfasserin aut Yasuhiro Usui verfasserin aut Hirofumi Nakamura verfasserin aut Hitomi Wakatsuki verfasserin aut Charles P. Chen verfasserin aut Hiroki Ikawa verfasserin aut Guoyou Zhang verfasserin aut Hiroshi Nakano verfasserin aut Miwa Yashima Matsushima verfasserin aut Kentaro Hayashi verfasserin aut In Frontiers in Plant Science Frontiers Media S.A., 2011 10(2019) (DE-627)662359240 (DE-600)2613694-6 1664462X nnns volume:10 year:2019 https://doi.org/10.3389/fpls.2019.00361 kostenfrei https://doaj.org/article/f8da0ca54185492784a33debcd65dc1f kostenfrei https://www.frontiersin.org/article/10.3389/fpls.2019.00361/full kostenfrei https://doaj.org/toc/1664-462X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2019
allfields_unstemmed	10.3389/fpls.2019.00361 doi (DE-627)DOAJ029947553 (DE-599)DOAJf8da0ca54185492784a33debcd65dc1f DE-627 ger DE-627 rakwb eng SB1-1110 Toshihiro Hasegawa verfasserin aut A High-Yielding Rice Cultivar “Takanari” Shows No N Constraints on CO2 Fertilization 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Enhancing crop yield response to elevated CO2 concentrations (E-[CO2]) is an important adaptation measure to climate change. A high-yielding indica rice cultivar “Takanari” has recently been identified as a potential candidate for high productivity in E-[CO2] resulting from its large sink and source capacities. To fully utilize these traits, nitrogen should play a major role, but it is unknown how N levels influence the yield response of Takanari to E-[CO2]. We therefore compared grain yield and quality of Takanari with those of Koshihikari, a standard japonica cultivar, in response to Free-Air CO2 enrichment (FACE, +200 μmol mol−1) under three N levels (0, 8, and 12 g m−2) over three seasons. The biomass of both cultivars increased under E-[CO2] at all N levels; however, the harvest index decreased under E-[CO2] in the N-limited treatment for Koshihikari but not for Takanari. The decreased harvest index of Koshihikari resulted from limited enhancement of spikelet number under N-limitation. In contrast, spikelet number increased in E-[CO2] in Takanari even without N application, resulting in significant yield enhancement, averaging 18% over 3 years, whereas Koshihikari exhibited virtually no increase in yield in E-[CO2] under the N-limited condition. Grain appearance quality of Koshihikari was severely reduced by E-[CO2], most notably in N-limited and hot conditions, by a substantial increase in chalky grain, but chalky grain % did not increase in E-[CO2] even without N fertilizer. These results indicated that Takanari could retain its high yield advantage over Koshihikari with limited increase in chalkiness even under limited N conditions and that it could be a useful genetic resource for improving N use efficiency under E-[CO2]. chalky grains climate change adaptation CO2 fertilization effects FACE grain appearance quality grain yield Plant culture Hidemitsu Sakai verfasserin aut Takeshi Tokida verfasserin aut Yasuhiro Usui verfasserin aut Yasuhiro Usui verfasserin aut Hirofumi Nakamura verfasserin aut Hitomi Wakatsuki verfasserin aut Charles P. Chen verfasserin aut Hiroki Ikawa verfasserin aut Guoyou Zhang verfasserin aut Hiroshi Nakano verfasserin aut Miwa Yashima Matsushima verfasserin aut Kentaro Hayashi verfasserin aut In Frontiers in Plant Science Frontiers Media S.A., 2011 10(2019) (DE-627)662359240 (DE-600)2613694-6 1664462X nnns volume:10 year:2019 https://doi.org/10.3389/fpls.2019.00361 kostenfrei https://doaj.org/article/f8da0ca54185492784a33debcd65dc1f kostenfrei https://www.frontiersin.org/article/10.3389/fpls.2019.00361/full kostenfrei https://doaj.org/toc/1664-462X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2019
allfieldsGer	10.3389/fpls.2019.00361 doi (DE-627)DOAJ029947553 (DE-599)DOAJf8da0ca54185492784a33debcd65dc1f DE-627 ger DE-627 rakwb eng SB1-1110 Toshihiro Hasegawa verfasserin aut A High-Yielding Rice Cultivar “Takanari” Shows No N Constraints on CO2 Fertilization 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Enhancing crop yield response to elevated CO2 concentrations (E-[CO2]) is an important adaptation measure to climate change. A high-yielding indica rice cultivar “Takanari” has recently been identified as a potential candidate for high productivity in E-[CO2] resulting from its large sink and source capacities. To fully utilize these traits, nitrogen should play a major role, but it is unknown how N levels influence the yield response of Takanari to E-[CO2]. We therefore compared grain yield and quality of Takanari with those of Koshihikari, a standard japonica cultivar, in response to Free-Air CO2 enrichment (FACE, +200 μmol mol−1) under three N levels (0, 8, and 12 g m−2) over three seasons. The biomass of both cultivars increased under E-[CO2] at all N levels; however, the harvest index decreased under E-[CO2] in the N-limited treatment for Koshihikari but not for Takanari. The decreased harvest index of Koshihikari resulted from limited enhancement of spikelet number under N-limitation. In contrast, spikelet number increased in E-[CO2] in Takanari even without N application, resulting in significant yield enhancement, averaging 18% over 3 years, whereas Koshihikari exhibited virtually no increase in yield in E-[CO2] under the N-limited condition. Grain appearance quality of Koshihikari was severely reduced by E-[CO2], most notably in N-limited and hot conditions, by a substantial increase in chalky grain, but chalky grain % did not increase in E-[CO2] even without N fertilizer. These results indicated that Takanari could retain its high yield advantage over Koshihikari with limited increase in chalkiness even under limited N conditions and that it could be a useful genetic resource for improving N use efficiency under E-[CO2]. chalky grains climate change adaptation CO2 fertilization effects FACE grain appearance quality grain yield Plant culture Hidemitsu Sakai verfasserin aut Takeshi Tokida verfasserin aut Yasuhiro Usui verfasserin aut Yasuhiro Usui verfasserin aut Hirofumi Nakamura verfasserin aut Hitomi Wakatsuki verfasserin aut Charles P. Chen verfasserin aut Hiroki Ikawa verfasserin aut Guoyou Zhang verfasserin aut Hiroshi Nakano verfasserin aut Miwa Yashima Matsushima verfasserin aut Kentaro Hayashi verfasserin aut In Frontiers in Plant Science Frontiers Media S.A., 2011 10(2019) (DE-627)662359240 (DE-600)2613694-6 1664462X nnns volume:10 year:2019 https://doi.org/10.3389/fpls.2019.00361 kostenfrei https://doaj.org/article/f8da0ca54185492784a33debcd65dc1f kostenfrei https://www.frontiersin.org/article/10.3389/fpls.2019.00361/full kostenfrei https://doaj.org/toc/1664-462X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2019
allfieldsSound	10.3389/fpls.2019.00361 doi (DE-627)DOAJ029947553 (DE-599)DOAJf8da0ca54185492784a33debcd65dc1f DE-627 ger DE-627 rakwb eng SB1-1110 Toshihiro Hasegawa verfasserin aut A High-Yielding Rice Cultivar “Takanari” Shows No N Constraints on CO2 Fertilization 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Enhancing crop yield response to elevated CO2 concentrations (E-[CO2]) is an important adaptation measure to climate change. A high-yielding indica rice cultivar “Takanari” has recently been identified as a potential candidate for high productivity in E-[CO2] resulting from its large sink and source capacities. To fully utilize these traits, nitrogen should play a major role, but it is unknown how N levels influence the yield response of Takanari to E-[CO2]. We therefore compared grain yield and quality of Takanari with those of Koshihikari, a standard japonica cultivar, in response to Free-Air CO2 enrichment (FACE, +200 μmol mol−1) under three N levels (0, 8, and 12 g m−2) over three seasons. The biomass of both cultivars increased under E-[CO2] at all N levels; however, the harvest index decreased under E-[CO2] in the N-limited treatment for Koshihikari but not for Takanari. The decreased harvest index of Koshihikari resulted from limited enhancement of spikelet number under N-limitation. In contrast, spikelet number increased in E-[CO2] in Takanari even without N application, resulting in significant yield enhancement, averaging 18% over 3 years, whereas Koshihikari exhibited virtually no increase in yield in E-[CO2] under the N-limited condition. Grain appearance quality of Koshihikari was severely reduced by E-[CO2], most notably in N-limited and hot conditions, by a substantial increase in chalky grain, but chalky grain % did not increase in E-[CO2] even without N fertilizer. These results indicated that Takanari could retain its high yield advantage over Koshihikari with limited increase in chalkiness even under limited N conditions and that it could be a useful genetic resource for improving N use efficiency under E-[CO2]. chalky grains climate change adaptation CO2 fertilization effects FACE grain appearance quality grain yield Plant culture Hidemitsu Sakai verfasserin aut Takeshi Tokida verfasserin aut Yasuhiro Usui verfasserin aut Yasuhiro Usui verfasserin aut Hirofumi Nakamura verfasserin aut Hitomi Wakatsuki verfasserin aut Charles P. Chen verfasserin aut Hiroki Ikawa verfasserin aut Guoyou Zhang verfasserin aut Hiroshi Nakano verfasserin aut Miwa Yashima Matsushima verfasserin aut Kentaro Hayashi verfasserin aut In Frontiers in Plant Science Frontiers Media S.A., 2011 10(2019) (DE-627)662359240 (DE-600)2613694-6 1664462X nnns volume:10 year:2019 https://doi.org/10.3389/fpls.2019.00361 kostenfrei https://doaj.org/article/f8da0ca54185492784a33debcd65dc1f kostenfrei https://www.frontiersin.org/article/10.3389/fpls.2019.00361/full kostenfrei https://doaj.org/toc/1664-462X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2019
language	English
source	In Frontiers in Plant Science 10(2019) volume:10 year:2019
sourceStr	In Frontiers in Plant Science 10(2019) volume:10 year:2019
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	chalky grains climate change adaptation CO2 fertilization effects FACE grain appearance quality grain yield Plant culture
isfreeaccess_bool	true
container_title	Frontiers in Plant Science
authorswithroles_txt_mv	Toshihiro Hasegawa @@aut@@ Hidemitsu Sakai @@aut@@ Takeshi Tokida @@aut@@ Yasuhiro Usui @@aut@@ Hirofumi Nakamura @@aut@@ Hitomi Wakatsuki @@aut@@ Charles P. Chen @@aut@@ Hiroki Ikawa @@aut@@ Guoyou Zhang @@aut@@ Hiroshi Nakano @@aut@@ Miwa Yashima Matsushima @@aut@@ Kentaro Hayashi @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
hierarchy_top_id	662359240
id	DOAJ029947553
language_de	englisch
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callnumber-first	S - Agriculture
author	Toshihiro Hasegawa
spellingShingle	Toshihiro Hasegawa misc SB1-1110 misc chalky grains misc climate change adaptation misc CO2 fertilization effects misc FACE misc grain appearance quality misc grain yield misc Plant culture A High-Yielding Rice Cultivar “Takanari” Shows No N Constraints on CO2 Fertilization
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topic_title	SB1-1110 A High-Yielding Rice Cultivar “Takanari” Shows No N Constraints on CO2 Fertilization chalky grains climate change adaptation CO2 fertilization effects FACE grain appearance quality grain yield
topic	misc SB1-1110 misc chalky grains misc climate change adaptation misc CO2 fertilization effects misc FACE misc grain appearance quality misc grain yield misc Plant culture
topic_unstemmed	misc SB1-1110 misc chalky grains misc climate change adaptation misc CO2 fertilization effects misc FACE misc grain appearance quality misc grain yield misc Plant culture
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title	A High-Yielding Rice Cultivar “Takanari” Shows No N Constraints on CO2 Fertilization
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title_full	A High-Yielding Rice Cultivar “Takanari” Shows No N Constraints on CO2 Fertilization
author_sort	Toshihiro Hasegawa
journal	Frontiers in Plant Science
journalStr	Frontiers in Plant Science
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author_browse	Toshihiro Hasegawa Hidemitsu Sakai Takeshi Tokida Yasuhiro Usui Hirofumi Nakamura Hitomi Wakatsuki Charles P. Chen Hiroki Ikawa Guoyou Zhang Hiroshi Nakano Miwa Yashima Matsushima Kentaro Hayashi
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author-letter	Toshihiro Hasegawa
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title_sort	high-yielding rice cultivar “takanari” shows no n constraints on co2 fertilization
callnumber	SB1-1110
title_auth	A High-Yielding Rice Cultivar “Takanari” Shows No N Constraints on CO2 Fertilization
abstract	Enhancing crop yield response to elevated CO2 concentrations (E-[CO2]) is an important adaptation measure to climate change. A high-yielding indica rice cultivar “Takanari” has recently been identified as a potential candidate for high productivity in E-[CO2] resulting from its large sink and source capacities. To fully utilize these traits, nitrogen should play a major role, but it is unknown how N levels influence the yield response of Takanari to E-[CO2]. We therefore compared grain yield and quality of Takanari with those of Koshihikari, a standard japonica cultivar, in response to Free-Air CO2 enrichment (FACE, +200 μmol mol−1) under three N levels (0, 8, and 12 g m−2) over three seasons. The biomass of both cultivars increased under E-[CO2] at all N levels; however, the harvest index decreased under E-[CO2] in the N-limited treatment for Koshihikari but not for Takanari. The decreased harvest index of Koshihikari resulted from limited enhancement of spikelet number under N-limitation. In contrast, spikelet number increased in E-[CO2] in Takanari even without N application, resulting in significant yield enhancement, averaging 18% over 3 years, whereas Koshihikari exhibited virtually no increase in yield in E-[CO2] under the N-limited condition. Grain appearance quality of Koshihikari was severely reduced by E-[CO2], most notably in N-limited and hot conditions, by a substantial increase in chalky grain, but chalky grain % did not increase in E-[CO2] even without N fertilizer. These results indicated that Takanari could retain its high yield advantage over Koshihikari with limited increase in chalkiness even under limited N conditions and that it could be a useful genetic resource for improving N use efficiency under E-[CO2].
abstractGer	Enhancing crop yield response to elevated CO2 concentrations (E-[CO2]) is an important adaptation measure to climate change. A high-yielding indica rice cultivar “Takanari” has recently been identified as a potential candidate for high productivity in E-[CO2] resulting from its large sink and source capacities. To fully utilize these traits, nitrogen should play a major role, but it is unknown how N levels influence the yield response of Takanari to E-[CO2]. We therefore compared grain yield and quality of Takanari with those of Koshihikari, a standard japonica cultivar, in response to Free-Air CO2 enrichment (FACE, +200 μmol mol−1) under three N levels (0, 8, and 12 g m−2) over three seasons. The biomass of both cultivars increased under E-[CO2] at all N levels; however, the harvest index decreased under E-[CO2] in the N-limited treatment for Koshihikari but not for Takanari. The decreased harvest index of Koshihikari resulted from limited enhancement of spikelet number under N-limitation. In contrast, spikelet number increased in E-[CO2] in Takanari even without N application, resulting in significant yield enhancement, averaging 18% over 3 years, whereas Koshihikari exhibited virtually no increase in yield in E-[CO2] under the N-limited condition. Grain appearance quality of Koshihikari was severely reduced by E-[CO2], most notably in N-limited and hot conditions, by a substantial increase in chalky grain, but chalky grain % did not increase in E-[CO2] even without N fertilizer. These results indicated that Takanari could retain its high yield advantage over Koshihikari with limited increase in chalkiness even under limited N conditions and that it could be a useful genetic resource for improving N use efficiency under E-[CO2].
abstract_unstemmed	Enhancing crop yield response to elevated CO2 concentrations (E-[CO2]) is an important adaptation measure to climate change. A high-yielding indica rice cultivar “Takanari” has recently been identified as a potential candidate for high productivity in E-[CO2] resulting from its large sink and source capacities. To fully utilize these traits, nitrogen should play a major role, but it is unknown how N levels influence the yield response of Takanari to E-[CO2]. We therefore compared grain yield and quality of Takanari with those of Koshihikari, a standard japonica cultivar, in response to Free-Air CO2 enrichment (FACE, +200 μmol mol−1) under three N levels (0, 8, and 12 g m−2) over three seasons. The biomass of both cultivars increased under E-[CO2] at all N levels; however, the harvest index decreased under E-[CO2] in the N-limited treatment for Koshihikari but not for Takanari. The decreased harvest index of Koshihikari resulted from limited enhancement of spikelet number under N-limitation. In contrast, spikelet number increased in E-[CO2] in Takanari even without N application, resulting in significant yield enhancement, averaging 18% over 3 years, whereas Koshihikari exhibited virtually no increase in yield in E-[CO2] under the N-limited condition. Grain appearance quality of Koshihikari was severely reduced by E-[CO2], most notably in N-limited and hot conditions, by a substantial increase in chalky grain, but chalky grain % did not increase in E-[CO2] even without N fertilizer. These results indicated that Takanari could retain its high yield advantage over Koshihikari with limited increase in chalkiness even under limited N conditions and that it could be a useful genetic resource for improving N use efficiency under E-[CO2].
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title_short	A High-Yielding Rice Cultivar “Takanari” Shows No N Constraints on CO2 Fertilization
url	https://doi.org/10.3389/fpls.2019.00361 https://doaj.org/article/f8da0ca54185492784a33debcd65dc1f https://www.frontiersin.org/article/10.3389/fpls.2019.00361/full https://doaj.org/toc/1664-462X
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author2	Hidemitsu Sakai Takeshi Tokida Yasuhiro Usui Hirofumi Nakamura Hitomi Wakatsuki Charles P. Chen Hiroki Ikawa Guoyou Zhang Hiroshi Nakano Miwa Yashima Matsushima Kentaro Hayashi
author2Str	Hidemitsu Sakai Takeshi Tokida Yasuhiro Usui Hirofumi Nakamura Hitomi Wakatsuki Charles P. Chen Hiroki Ikawa Guoyou Zhang Hiroshi Nakano Miwa Yashima Matsushima Kentaro Hayashi
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doi_str	10.3389/fpls.2019.00361
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up_date	2024-07-04T01:01:36.783Z
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