低温胁迫下结球白菜的光合及叶绿素荧光特性

为揭示结球白菜低温抗性的机理,指导抗寒品种的选育和冬春淡季反季节生产,测定了黔白5号、早皇白、四季王（耐抽薹品种）,81-1、C×38、3×C、3^-4×C、小杂55（中等抽薹品种）,贵蔬3号、亚春19（易抽薹品种）等10个结球白菜品种（品系）的光合及叶绿素荧光特性。结果表明：黔白5号的净光合速率（Pn）和气孔导度（Gs）均最大;耐抽薹品种的净光合速率、气孔导度和胞间CO2浓度（Ci）均高于易抽薹品种,且Pn和Ci主要受气孔因素影响。不同抽薹特性结球白菜品种的光系统II（PSII）最大光化学效率（Fv/Fm）差异不显著,而PSII实际光化学效率（Yield）与光合速率以及抽薹特性之间的关系较为...

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Bibliographic Details
Published in西南农业学报 Vol. 27; no. 6; pp. 2345 - 2348
Main Author 彭剑涛 赵大芹 王天文 周秋菊 李桂莲
Format Journal Article
LanguageChinese
Published 贵州大学生命科学学院,贵州贵阳,550025%贵州省园艺研究所,贵州贵阳,550006%贵州省农业科学院,贵州贵阳,550006 2014
Subjects
净光合速率
叶绿素荧光参数
抽薹特性
气孔导度
结球白菜
Bolting
Chlorophyll
characteristics
cabbage
photosynthetic
净光合速率
heading
结球白菜
气孔导度
抽薹特性
conductance
叶绿素荧光参数
Stomatal
rate
fluorescence
parameter
Chinese
Net
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ISSN1001-4829
DOI10.16213/j.cnki.scjas.2014.06.016

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Summary:为揭示结球白菜低温抗性的机理,指导抗寒品种的选育和冬春淡季反季节生产,测定了黔白5号、早皇白、四季王（耐抽薹品种）,81-1、C×38、3×C、3^-4×C、小杂55（中等抽薹品种）,贵蔬3号、亚春19（易抽薹品种）等10个结球白菜品种（品系）的光合及叶绿素荧光特性。结果表明：黔白5号的净光合速率（Pn）和气孔导度（Gs）均最大;耐抽薹品种的净光合速率、气孔导度和胞间CO2浓度（Ci）均高于易抽薹品种,且Pn和Ci主要受气孔因素影响。不同抽薹特性结球白菜品种的光系统II（PSII）最大光化学效率（Fv/Fm）差异不显著,而PSII实际光化学效率（Yield）与光合速率以及抽薹特性之间的关系较为一致,可作为判断结球白菜耐寒性的辅助指标。
Bibliography:Chinese heading cabbage; Bolting characteristics; Net photosynthetic rate; Stomatal conductance; Chlorophyll fluorescence parameter
51-1213/S
PENG Jian-tao,ZHAO Da-qin,WANG Tian-wen,ZHOU Qiu-ju,LI Gui-lian（ 1. College of Life Sciences, Guizhou University, Guizhou Guiyang 550025, China; 2. Guizhou Institute of Horticulture, Guizhou Guiyang 550006, China; 3. Guizhou Academy of Agricultural Sciences,Guizhou Guiyang 550006 ,China）
The photosynthetic and chlorophyll fluorescence characteristics of 10 Chinese heading cabbage varieties / lines was determined under low temperature to reveal the mechanism of cold resistance of Chinese heading cabbage and guide breeding of Chinese heading cabbage varieties with cold resistance and its out-of-season production. The net photosynthetic rate and stomatal conductance are the highest and the net photosynthetic rate,stomatal conductance and intercellular CO2 concentration of Chinese heading cabbage varieties with bolting tolerance are higher than varieties without bolting tolera
ISSN:1001-4829
DOI:10.16213/j.cnki.scjas.2014.06.016