空中甘薯嫁接栽培系统结薯关键期叶绿素荧光特性研究
为了分析空中甘薯嫁接栽培系统在块根形成关键过程中的光合能力变化情况,利用MINI-IMAGING-PAM叶绿素荧光仪测定了该时期的叶绿素荧光参数。结果表明,在压蔓0~20 d藤蔓长根期,最大光化学效率（Fv/Fm）和PSII实际光化学效率（YieldⅡ）下降、非光化学猝灭系数（NPQ）升高、表观光合电子传递速率（ETR）先增后降;压蔓20~45 d须根开始膨大,Fv/Fm、YieldⅡ和ETR持续增高,NPQ则先降后增,说明PSII反应中心的能量捕获效率增高,光合能力提高;压蔓45~60 d,光合能力又有降低。...
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| Published in | 西南农业学报 Vol. 28; no. 6; pp. 2475 - 2478 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
四川省农业科学院生物技术核技术研究所,四川成都,610066%四川省农业科学院作物研究所,四川成都,610066
2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4829 |
| DOI | 10.16213/j.cnki.scjas.2015.06.024 |
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| Abstract | 为了分析空中甘薯嫁接栽培系统在块根形成关键过程中的光合能力变化情况,利用MINI-IMAGING-PAM叶绿素荧光仪测定了该时期的叶绿素荧光参数。结果表明,在压蔓0~20 d藤蔓长根期,最大光化学效率（Fv/Fm）和PSII实际光化学效率（YieldⅡ）下降、非光化学猝灭系数（NPQ）升高、表观光合电子传递速率（ETR）先增后降;压蔓20~45 d须根开始膨大,Fv/Fm、YieldⅡ和ETR持续增高,NPQ则先降后增,说明PSII反应中心的能量捕获效率增高,光合能力提高;压蔓45~60 d,光合能力又有降低。 |
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| AbstractList | S531; 为了分析空中甘薯嫁接栽培系统在块根形成关键过程中的光合能力交化情况,利用MINI-IMAGING-PAM叶绿素荧光仪测定了该时期的叶绿素荧光参数.结果表明,在压蔓0～20d藤蔓长根期,最大光化学效率(Fv/Fm)和PSⅡ实际光化学效率(Yield Ⅱ)下降、非光化学猝灭系数(NPQ)升高、表观光合电子传递速率(ETR)先增后降;压蔓20～45 d须根开始膨大,Fv/Fm、YieldⅡ和ETR持续增高,NPQ则先降后增,说明PSⅡ反应中心的能量捕获效率增高,光合能力提高;压蔓45～60 d,光合能力又有降低. 为了分析空中甘薯嫁接栽培系统在块根形成关键过程中的光合能力变化情况,利用MINI-IMAGING-PAM叶绿素荧光仪测定了该时期的叶绿素荧光参数。结果表明,在压蔓0~20 d藤蔓长根期,最大光化学效率（Fv/Fm）和PSII实际光化学效率（YieldⅡ）下降、非光化学猝灭系数（NPQ）升高、表观光合电子传递速率（ETR）先增后降;压蔓20~45 d须根开始膨大,Fv/Fm、YieldⅡ和ETR持续增高,NPQ则先降后增,说明PSII反应中心的能量捕获效率增高,光合能力提高;压蔓45~60 d,光合能力又有降低。 |
| Author | 李明 蒲志刚 谭文芳 张聪 杨松涛 冯俊彦 屈会娟 王大一 阎文昭 |
| AuthorAffiliation | 四川省农业科学院生物技术核技术研究所,四川成都610066 四川省农业科学院作物研究所,四川成都610066 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.16213/j.cnki.scjas.2015.06.024 |
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| DocumentTitleAlternate | Chlorophyll Fluorescence of Key Stages of Storage Roots Formation in Grafted Overhead-sweetpotato Cultivation System |
| DocumentTitle_FL | Chlorophyll Fluorescence of Key Stages of Storage Roots Formation in Grafted Overhead-sweetpotato Cultivation System |
| EndPage | 2478 |
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| Keywords | Chlorophyll fluorescence Storage roots 块根 Grafted overhead-sweetpotato 甘薯 空中甘薯 Ipomoea batatas 叶绿素荧光参数 |
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| Notes | Ipomoea batatas; Grafted overhead-sweetpotato; Chlorophyll fluorescence; Storage roots To reveal the effects of chlorophyll fluorescence of key stages of storage roots formation in grafted overhead-sweetpotato cultivation（ GOSC） system,the chlorophyll fluorescence was measured in this stage by Chlorophyll fluorescence spectrometer MINI-IMAGING-PAM（ Walz,Germany）. In the stage of 0-20 days after burying stem of fibrous roots growing,the maximal photochemical efficiency（ Fv/ Fm）and the effective quantum yield of photosystem II（ YieldⅡ） decreased,the non-photochemical quenching（ NPQ） increased,and the nonphotochemical quenching（ ETR） increased first then decreased. In the stage of 20- 45 days after burying stem of fibrous roots swollen to storage roots,the Fv/ Fm,YieldⅡand ETR increased continuously,but the NPQ decreased first then increased,indicating the increasing of excitation energy capture by open PS Ⅱ reaction centers of leaves and improving photosynthetic capacity. But 45- 60 days after burying stem,the p |
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| PublicationTitle | 西南农业学报 |
| PublicationTitleAlternate | Southwest China Journal of Agricultural Sciences |
| PublicationTitle_FL | Southwest China Journal of Agricultural Sciences |
| PublicationYear | 2015 |
| Publisher | 四川省农业科学院生物技术核技术研究所,四川成都,610066%四川省农业科学院作物研究所,四川成都,610066 |
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| Snippet | 为了分析空中甘薯嫁接栽培系统在块根形成关键过程中的光合能力变化情况,利用MINI-IMAGING-PAM叶绿素荧光仪测定了该时期的叶绿素荧光参数。结果表明,在压蔓0~20 d藤蔓长根... S531; 为了分析空中甘薯嫁接栽培系统在块根形成关键过程中的光合能力交化情况,利用MINI-IMAGING-PAM叶绿素荧光仪测定了该时期的叶绿素荧光参数.结果表明,在压蔓0～20d藤蔓... |
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| SubjectTerms | 叶绿素荧光参数 块根 甘薯 空中甘薯 |
| Title | 空中甘薯嫁接栽培系统结薯关键期叶绿素荧光特性研究 |
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