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Journal of Zhejiang University SCIENCE A 2002 Vol.3 No.1 P.113~117

http://doi.org/10.1631/jzus.2002.0113


Varietal differences in photosynthetic characters and chlorophyll fluorescence induction kinetics parameters among intergeneric progeny derived from Oryza×Sorghum, its parents, and hybrid rice


Author(s):  TANG Jian-jun, CHEN Xin, Katsuyoshi Shimizu

Affiliation(s):  Institute of Plant Science, Life Sciences School, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s): 

Key Words:  intergeneric hybrid, photosynthesis, chlorophyll fluorescence kinetics, non-photochemical quenching


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TANG Jian-jun, CHEN Xin, Katsuyoshi Shimizu. Varietal differences in photosynthetic characters and chlorophyll fluorescence induction kinetics parameters among intergeneric progeny derived from Oryza×Sorghum, its parents, and hybrid rice[J]. Journal of Zhejiang University Science A, 2002, 3(1): 113~117.

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author="TANG Jian-jun, CHEN Xin, Katsuyoshi Shimizu",
journal="Journal of Zhejiang University Science A",
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publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2002.0113"
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%T Varietal differences in photosynthetic characters and chlorophyll fluorescence induction kinetics parameters among intergeneric progeny derived from Oryza×Sorghum, its parents, and hybrid rice
%A TANG Jian-jun
%A CHEN Xin
%A Katsuyoshi Shimizu
%J Journal of Zhejiang University SCIENCE A
%V 3
%N 1
%P 113~117
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%D 2002
%I Zhejiang University Press & Springer
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T1 - Varietal differences in photosynthetic characters and chlorophyll fluorescence induction kinetics parameters among intergeneric progeny derived from Oryza×Sorghum, its parents, and hybrid rice
A1 - TANG Jian-jun
A1 - CHEN Xin
A1 - Katsuyoshi Shimizu
J0 - Journal of Zhejiang University Science A
VL - 3
IS - 1
SP - 113
EP - 117
%@ 1869-1951
Y1 - 2002
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2002.0113


Abstract: 
A comparative study on the photosynthetic parameters among intergeneric progenies derived from Oryza sativa L.×Sorghum vulgare L., its maternal parent Gui 630 and commercial 3-line hybrid rice Shanyou 63 in pot experiment in greenhouse was conducted. The morphological and photosynthetic characters of canopy leaves and chlorophyll fluorescence kinetic parameters including Fv/Fm, Fv/F0, photochemical quenching coefficient and non-photochemical coefficient of canopy leaves of 3 varieties were measured. The results showed the progeny, Yuanyou 1, derived from an intergeneric cross of rice and sorghum possesses better canopy spatial architecture with thicker, heavier and bigger canopy leaf than its maternal parent Gui 630. Higher photosynthetic rate due to higher chlorophyll content, higher primary energy transformation efficiency, potential of PSII and non-photochemical quenching coefficient (qE) were also measured in Yuanyou 1. These explain partly why the intergeneric progeny has higher biomass production, and better tolerance to adverse conditions and higher field yields even under stress conditions.

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Reference

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