Heterosis for Photosynthesis and Dry Matter Accumulation in F_1 Hybrid Rice (Oryza sativa L.) Produced from Thermo–sensitive Male Sterile Line under Drought Stress at Heading Stage - 九大コレクション

＜紀要論文＞
Heterosis for Photosynthesis and Dry Matter Accumulation in F_1 Hybrid Rice (Oryza sativa L.) Produced from Thermo–sensitive Male Sterile Line under Drought Stress at Heading Stage

作成者	作成者名 Cuong, Pham Van 所属機関所属機関名 Department of Food Crop Science, Faculty of Agronomy, Hanoi University of Agriculture
	作成者名 Cuong, Hoang Viet 所属機関所属機関名 Department of Food Crop Science, Faculty of Agronomy, Hanoi University of Agriculture
	作成者名 Hanh, Tang Thi 所属機関所属機関名 Department of Food Crop Science, Faculty of Agronomy, Hanoi University of Agriculture
	作成者名 Hang, Duong Thi Thu 所属機関所属機関名 Department of Food Crop Science, Faculty of Agronomy, Hanoi University of Agriculture,
	作成者名 Araki, Takuya 荒木, 卓哉アラキ, タクヤ所属機関所属機関名 Laboratory of Crop Science, Department of AgrobiologicalSciences, Faculty of Agriculture, Ehime University 愛媛大学農学部生物資源学科作物学研究室
	著者識別子 K001673 作成者名 Mochizuki, Toshihiro 望月, 俊宏モチヅキ, トシヒロ所属機関所属機関名 Laboratory of Agricultural Ecology, Division of Agronomy and Environmental Sciences, Department of Agro–environmental Sciences, Faculty of Agriculture, Kyushu University : Professor 九州大学大学院農学研究院資源生物科学部門
	著者識別子 K000029 作成者名 Yoshimura, Atsushi 吉村, 淳ヨシムラ, アツシ所属機関所属機関名 Plant Breeding Laboratory, Division of Agricultural Bioresource Science, Department of Bioresource Sciences, Faculty of Agriculture, Kyushu University : Professor 九州大学大学院農学研究院資源生物科学部門
本文言語	英語
出版者	Faculty of Agriculture, Kyushu University
出版者	九州大学大学院農学研究院
発行日	2014-08-29
収録物名	九州大学大学院農学研究院紀要
巻	59
号	2
開始ページ	221
終了ページ	228
出版タイプ	Version of Record
アクセス権	open access
Crossref DOI	https://doi.org/10.5109/1467621
関連情報	http://www.agr.kyushu-u.ac.jp/

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PISSN	0023-6152
NCID	AA00697606
レコードID	1467621
査読有無	査読無
主題	drought stress
	F_1 hybrid
	photosynthesis
	TGMS line
	upland rice
ISSN	0023-6152
NCID	AA00697606
注記	Heterosis is defined as increased vigour of hybrids in comparison to their parents. In this study, seven cultivars of upland inbred rice (male parents) and their F_1 hybrids generated by crossing with a thermo–sensitive genic male sterile (TGMS) 103^S line (female parent). The cultivars were examined for characters of photosynthesis and dry matter production under drought stress at flowering stage and recovery at ripening stage. The results showed that under drought, all F_1 hybrids exhibited very low negative heterosis for CO_2 exchange rate, stomatal conductance, mesophyll conductance and transpiration rate, but high positive heterosis for intercellular CO_2 concentration. The heterosis value increased much more in the F_1 hybrids under drought recovery than under well–water conditions. During drought stress, heterosis value decreased slightly for dry matter accumulation compared to well–irrigated conditions. Although CO_2 exchange rate significantly decreased, dry matter accumulation was maintained in all F_1 hybrids after drought recovery, which suggests the potential for using upland rice as male parent to produce F_1 hybrids from TGMS lines for drought tolerance.
登録日	2014.09.19
更新日	2022.11.11

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＜紀要論文＞ Heterosis for Photosynthesis and Dry Matter Accumulation in F_1 Hybrid Rice (Oryza sativa L.) Produced from Thermo–sensitive Male Sterile Line under Drought Stress at Heading Stage

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＜紀要論文＞
Heterosis for Photosynthesis and Dry Matter Accumulation in F_1 Hybrid Rice (Oryza sativa L.) Produced from Thermo–sensitive Male Sterile Line under Drought Stress at Heading Stage