Synergy between a shallow root system with a DRO1 homologue and localized P application improves P uptake of lowland rice

Abstract Improved phosphorus (P) use efficiency for crop production is needed, given the depletion of phosphorus ore deposits, and increasing ecological concerns about its excessive use. Root system architecture (RSA) is important in efficiently capturing immobile P in soils, while agronomically, lo...

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Autores principales:	Aung Zaw Oo, Yasuhiro Tsujimoto, Mana Mukai, Tomohiro Nishigaki, Toshiyuki Takai, Yusaku Uga
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/96a33223389042f281e4b71d19b7420f
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spelling	oai:doaj.org-article:96a33223389042f281e4b71d19b7420f2021-12-02T15:37:58ZSynergy between a shallow root system with a DRO1 homologue and localized P application improves P uptake of lowland rice10.1038/s41598-021-89129-z2045-2322https://doaj.org/article/96a33223389042f281e4b71d19b7420f2021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89129-zhttps://doaj.org/toc/2045-2322Abstract Improved phosphorus (P) use efficiency for crop production is needed, given the depletion of phosphorus ore deposits, and increasing ecological concerns about its excessive use. Root system architecture (RSA) is important in efficiently capturing immobile P in soils, while agronomically, localized P application near the roots is a potential approach to address this issue. However, the interaction between genetic traits of RSA and localized P application has been little understood. Near-isogenic lines (NILs) and their parent of rice (qsor1-NIL, Dro1-NIL, and IR64, with shallow, deep, and intermediate root growth angles (RGA), respectively) were grown in flooded pots after placing P near the roots at transplanting (P-dipping). The experiment identified that the P-dipping created an available P hotspot at the plant base of the soil surface layer where the qsor1-NIL had the greatest root biomass and root surface area despite no genotyipic differences in total values, whereby the qsor1-NIL had significantly greater biomass and P uptake than the other genotypes in the P-dipping. The superior surface root development of qsor1-NIL could have facilitated P uptakes from the P hotspot, implying that P-use efficiency in crop production can be further increased by combining genetic traits of RSA and localized P application.Aung Zaw OoYasuhiro TsujimotoMana MukaiTomohiro NishigakiToshiyuki TakaiYusaku UgaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Aung Zaw Oo Yasuhiro Tsujimoto Mana Mukai Tomohiro Nishigaki Toshiyuki Takai Yusaku Uga Synergy between a shallow root system with a DRO1 homologue and localized P application improves P uptake of lowland rice
description	Abstract Improved phosphorus (P) use efficiency for crop production is needed, given the depletion of phosphorus ore deposits, and increasing ecological concerns about its excessive use. Root system architecture (RSA) is important in efficiently capturing immobile P in soils, while agronomically, localized P application near the roots is a potential approach to address this issue. However, the interaction between genetic traits of RSA and localized P application has been little understood. Near-isogenic lines (NILs) and their parent of rice (qsor1-NIL, Dro1-NIL, and IR64, with shallow, deep, and intermediate root growth angles (RGA), respectively) were grown in flooded pots after placing P near the roots at transplanting (P-dipping). The experiment identified that the P-dipping created an available P hotspot at the plant base of the soil surface layer where the qsor1-NIL had the greatest root biomass and root surface area despite no genotyipic differences in total values, whereby the qsor1-NIL had significantly greater biomass and P uptake than the other genotypes in the P-dipping. The superior surface root development of qsor1-NIL could have facilitated P uptakes from the P hotspot, implying that P-use efficiency in crop production can be further increased by combining genetic traits of RSA and localized P application.
format	article
author	Aung Zaw Oo Yasuhiro Tsujimoto Mana Mukai Tomohiro Nishigaki Toshiyuki Takai Yusaku Uga
author_facet	Aung Zaw Oo Yasuhiro Tsujimoto Mana Mukai Tomohiro Nishigaki Toshiyuki Takai Yusaku Uga
author_sort	Aung Zaw Oo
title	Synergy between a shallow root system with a DRO1 homologue and localized P application improves P uptake of lowland rice
title_short	Synergy between a shallow root system with a DRO1 homologue and localized P application improves P uptake of lowland rice
title_full	Synergy between a shallow root system with a DRO1 homologue and localized P application improves P uptake of lowland rice
title_fullStr	Synergy between a shallow root system with a DRO1 homologue and localized P application improves P uptake of lowland rice
title_full_unstemmed	Synergy between a shallow root system with a DRO1 homologue and localized P application improves P uptake of lowland rice
title_sort	synergy between a shallow root system with a dro1 homologue and localized p application improves p uptake of lowland rice
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/96a33223389042f281e4b71d19b7420f
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Synergy between a shallow root system with a DRO1 homologue and localized P application improves P uptake of lowland rice

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