A Rice Ancestral Genetic Resource Conferring Ideal Plant Shapes for Vegetative Growth and Weed Suppression

To maximize crop growth, crops need to capture sunlight efficiently. This property is primarily influenced by the shape of the crops such as the angle, area, and arrangement of leaves. We constructed a rice (Oryza sativa L.) inbred line that displayed an ideal transition of plant shapes in terms of...

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Autores principales:	Noritoshi Inagaki, Hidenori Asami, Hideyuki Hirabayashi, Akira Uchino, Toshiyuki Imaizumi, Ken Ishimaru
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	ancestral genetic resource Asian cultivated rice (Oryza sativa L) light reception efficiency plant shape tiller angle vegetative growth Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/f65232e5abc2426f81a20fc76d7c4e4c
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spelling	oai:doaj.org-article:f65232e5abc2426f81a20fc76d7c4e4c2021-12-01T07:55:52ZA Rice Ancestral Genetic Resource Conferring Ideal Plant Shapes for Vegetative Growth and Weed Suppression1664-462X10.3389/fpls.2021.748531https://doaj.org/article/f65232e5abc2426f81a20fc76d7c4e4c2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fpls.2021.748531/fullhttps://doaj.org/toc/1664-462XTo maximize crop growth, crops need to capture sunlight efficiently. This property is primarily influenced by the shape of the crops such as the angle, area, and arrangement of leaves. We constructed a rice (Oryza sativa L.) inbred line that displayed an ideal transition of plant shapes in terms of sunlight receiving efficiency. During vegetative growth, this line exhibited tiller spreading with increased tiller number, which formed a parabolic antenna-like structure. The architecture probably improved light reception efficiency of individuals compared with the recurrent parent. The line achieved not only acceleration of the vegetative growth, but also significant suppression of weed growth under the canopy. The increased light reception efficiency of the line has consequently reduced the amount of incident light to the ground and supplied significant competitiveness against weeds. The spread tillers became erect from the entry of the reproductive growth phase, adaptively sustaining light reception efficiency in thicker stands. The line carries a small chromosomal segment from Oryza rufipogon Griff., a putative progenitor of Asian cultivated rice. The introduced chromosome segment had little effect on grain yield and quality. Our results shed light on potentials hidden in the wild rice chromosome segment to achieve the valuable traits.Noritoshi InagakiHidenori AsamiHidenori AsamiHideyuki HirabayashiAkira UchinoToshiyuki ImaizumiKen IshimaruFrontiers Media S.A.articleancestral genetic resourceAsian cultivated rice (Oryza sativa L)light reception efficiencyplant shapetiller anglevegetative growthPlant cultureSB1-1110ENFrontiers in Plant Science, Vol 12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ancestral genetic resource Asian cultivated rice (Oryza sativa L) light reception efficiency plant shape tiller angle vegetative growth Plant culture SB1-1110
spellingShingle	ancestral genetic resource Asian cultivated rice (Oryza sativa L) light reception efficiency plant shape tiller angle vegetative growth Plant culture SB1-1110 Noritoshi Inagaki Hidenori Asami Hidenori Asami Hideyuki Hirabayashi Akira Uchino Toshiyuki Imaizumi Ken Ishimaru A Rice Ancestral Genetic Resource Conferring Ideal Plant Shapes for Vegetative Growth and Weed Suppression
description	To maximize crop growth, crops need to capture sunlight efficiently. This property is primarily influenced by the shape of the crops such as the angle, area, and arrangement of leaves. We constructed a rice (Oryza sativa L.) inbred line that displayed an ideal transition of plant shapes in terms of sunlight receiving efficiency. During vegetative growth, this line exhibited tiller spreading with increased tiller number, which formed a parabolic antenna-like structure. The architecture probably improved light reception efficiency of individuals compared with the recurrent parent. The line achieved not only acceleration of the vegetative growth, but also significant suppression of weed growth under the canopy. The increased light reception efficiency of the line has consequently reduced the amount of incident light to the ground and supplied significant competitiveness against weeds. The spread tillers became erect from the entry of the reproductive growth phase, adaptively sustaining light reception efficiency in thicker stands. The line carries a small chromosomal segment from Oryza rufipogon Griff., a putative progenitor of Asian cultivated rice. The introduced chromosome segment had little effect on grain yield and quality. Our results shed light on potentials hidden in the wild rice chromosome segment to achieve the valuable traits.
format	article
author	Noritoshi Inagaki Hidenori Asami Hidenori Asami Hideyuki Hirabayashi Akira Uchino Toshiyuki Imaizumi Ken Ishimaru
author_facet	Noritoshi Inagaki Hidenori Asami Hidenori Asami Hideyuki Hirabayashi Akira Uchino Toshiyuki Imaizumi Ken Ishimaru
author_sort	Noritoshi Inagaki
title	A Rice Ancestral Genetic Resource Conferring Ideal Plant Shapes for Vegetative Growth and Weed Suppression
title_short	A Rice Ancestral Genetic Resource Conferring Ideal Plant Shapes for Vegetative Growth and Weed Suppression
title_full	A Rice Ancestral Genetic Resource Conferring Ideal Plant Shapes for Vegetative Growth and Weed Suppression
title_fullStr	A Rice Ancestral Genetic Resource Conferring Ideal Plant Shapes for Vegetative Growth and Weed Suppression
title_full_unstemmed	A Rice Ancestral Genetic Resource Conferring Ideal Plant Shapes for Vegetative Growth and Weed Suppression
title_sort	rice ancestral genetic resource conferring ideal plant shapes for vegetative growth and weed suppression
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/f65232e5abc2426f81a20fc76d7c4e4c
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A Rice Ancestral Genetic Resource Conferring Ideal Plant Shapes for Vegetative Growth and Weed Suppression

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