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Genetic improvement of panicle-erectness japonica rice toward both yield and eating and cooking quality

Molecular Breeding, 2020
The panicle erectness (PE) japonica cultivars have been widely planted in China. However, the relatively low yield level per plant and inferior eating and cooking quality of PE japonica cultivars are needed to improve further. In present study, a typical PE japonica cultivar, Nanjing 46, was selected as target for improving yield and grain quality by ...
Yihao Yang   +8 more
openaire   +1 more source

Critical Factors for Grain Filling of Erect Panicle Type Japonica Rice Cultivars

Agronomy Journal, 2013
Some japonica rice (Oryza sativa L.) cultivars selected through ideotype‐breeding strategy with erect panicle type (EPT), compared with conventional japonica cultivars with curved panicle type (CPT), have greater spikelet density and higher yield potential.
Xing‐Tao Li   +8 more
openaire   +1 more source

Erect panicle architecture contributes to increased rice production through the improvement of canopy structure

Molecular Breeding, 2019
The erect panicle architecture has contributed to the improvement of yield in japonica rice breeding, and recent molecular analysis has revealed the mechanisms involved in individual plant yield increases. However, the population structure is more important in rice production compared with individual plant yield.
Cheng Fei   +3 more
openaire   +1 more source

Identification and characterization of a major QTL responsible for erect panicle trait in japonica rice (Oryza sativa L.)

Theoretical and Applied Genetics, 2007
Panicle erectness (PE) is one of the most important traits for high-yielding japonica cultivars. Although several cultivars with PE trait have been developed and released for commercial production in China, there is little information on the inheritance of PE traits in rice.
Chang-Jie, Yan   +7 more
openaire   +2 more sources

Identification and characterization of the erect-pose panicle gene EP conferring high grain yield in rice (Oryza sativa L.)

Theoretical and Applied Genetics, 2009
The breeding of japonica varieties with erect-pose panicle (EP) has recently progressed in the northern part of China, because these varieties exhibit a far higher grain yield than the varieties with normal-pose panicle (NP). A genetic analysis using the F(2) population from the cross between Liaojing5, the first japonica EP variety in China, and the ...
Jiayu, Wang   +8 more
openaire   +2 more sources

Genetical and Physiological Basis of Plant Type Model of Erect and Large Panicle Japonica Super Rice in Northern China

Agricultural Sciences in China, 2010
The historical changes in rice yields across China were explored. The physiological mechanisms and genetic basis of the erect and large panicle super-high-yield plant type model for breeding japonica super rice were analyzed mainly on the panicle type, number of large vascular bundles (LVB) in the panicle neck, and the panicle type index (PTI).
Zheng-jin XU   +7 more
openaire   +1 more source

Fine mapping and candidate gene analysis of dense and erect panicle 3, DEP3, which confers high grain yield in rice (Oryza sativa L.)

Theoretical and Applied Genetics, 2011
Architecture of the rice inflorescence, which is determined mainly by the morphology, number and length of primary and secondary inflorescence branches, is an important agronomical trait. In the current study, we characterized a novel dense and erect panicle (EP) mutant, dep3, derived from the Oryza sativa ssp.
Qiao, Yongli   +9 more
openaire   +3 more sources

[Genetic analysis of dense and erect panicle 2 allele DEP2-1388 and its application in hybrid rice breeding].

Yi chuan = Hereditas, 2016
Using ethyl methanesulfonate (EMS) mutagenesis, we isolated an erect panicle mutant, R1338, from indica heavy-panicle restorer Shuhui498. Compared with wild type control, the mutant displayed dwarfism, erect and short panicle, short primary panicle branch, increased grain density, short grain length and increased grain thickness. In addition, the erect
Yun-gao, Hu   +8 more
openaire   +1 more source

Targeting a gene regulatory element enhances rice grain yield by decoupling panicle number and size

Nature Biotechnology, 2022
Xiaoguang Song   +2 more
exaly  

Optimization of rice panicle architecture by specifically suppressing ligand–receptor pairs

Nature Communications, 2023
Tao Guo, Jun-Xiang Shan, Nai-Qian Dong
exaly  

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