| 控释氮肥对紫萼玉簪（Hosta ventricosa）生长和光合特性的影响 |
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| 引用本文： | 王巍,董然,李晓东,孙国峰,张金政,姜闯道.控释氮肥对紫萼玉簪（Hosta ventricosa）生长和光合特性的影响[J].植物研究,2009,29(5):544-548. |
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| 作者姓名： | 王巍 董然 李晓东 孙国峰 张金政 姜闯道 |
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| 作者单位： | (1.中国科学院植物研究所，北京100093) ;(2.吉林农业大学园艺学院，长春130118) |
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| 基金项目： | 中国科学院农业办公室项目(KSCX2-YW-N-44-03KSCX2-YW-N-46-09) |
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| 摘 要： | 以紫萼玉簪（Hosta ventricosa）盆栽苗为材料，研究了50%遮荫条件下控释氮肥对玉簪不同生长发育时期生长和光合特性的影响，结果表明：N1处理（4 g控释氮肥）和N2处理（8 g控释氮肥）能够提高或显著提高玉簪不同生长发育时期干物质量；能够显著提高形态建成期叶绿素b（Chlb）含量，抽葶期和开花期叶绿素a（Chla）、Chlb及类胡萝卜素（Car.）含量；且显著提高各生长发育时期净光合速率（Pn）。在抽葶期和开花期，N1处理最大光能转化效率（Fv/Fm）、PSⅡ电子传递量子效率（ΦPSⅡ）、PSⅡ有效光化学量子产量（F′v/F′m）显著高于对照, 在形态建成期和开花期，N2处理Fv/Fm、ΦPSⅡ、F′v/F′m显著高于对照，且抽葶期Fv/Fm显著高于对照。除形态建成期N1处理外，各施氮处理qP在不同时期与对照无显著差异。各施氮处理NPQ在形态建成期与对照无显著差异，而在抽葶期和开花期显著低于对照。
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| 关 键 词： | 玉簪 控释氮肥 生长 光合特性 叶绿素荧光 |
Effects of Controlled Release Nitrogen Fertilizer on the Growth and Photosynthetic Characteristics of Hosta ventricosa |
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| WANG Wei, DONG Ran LI Xiao-Dong SUN Guo-Feng ZHANG Jin-Zheng JIANG Chuang-Dao.Effects of Controlled Release Nitrogen Fertilizer on the Growth and Photosynthetic Characteristics of Hosta ventricosa[J].Bulletin of Botanical Research,2009,29(5):544-548. |
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| Authors: | WANG Wei DONG Ran LI Xiao-Dong SUN Guo-Feng ZHANG Jin-Zheng JIANG Chuang-Dao |
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| Institution: | 1.Institute of Botany;the Chinese Academy of Sciences;Beijing 100093;2.Department of Horticulture;Jilin Agricultural University;Changchun 130118 |
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| Abstract: | Effects of controlled release nitrogen fertilizer(CRNF) on the growth and photosynthetic characteristics of Hosta at different growth stages were studied in this paper using H.ventricosa potted seedlings under 50% shade condition.The results showed as follows: N1 treatment(4 g CRNF) and N2 treatment(8 g CRNF) could increase dry weight at different growth stages of Hosta;could significantly increase Chlb content at morphogenesis stage(MS),Chla,Chlb and Car.contents at booting stage(BS) and flowering stage(FS... |
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| Keywords: | Hosta ventricosa Controlled release nitrogen fertilizer(CRNF) Growth Photosynthetic characteristics Chlorophyll fluorescence |
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