| 土壤水分对不同专用小麦后期光合特性及产量的影响 |
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| 引用本文： | 马新明,熊淑萍,李琳,张娟娟,何建国.土壤水分对不同专用小麦后期光合特性及产量的影响[J].应用生态学报,2005,16(1):83-87. |
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| 作者姓名： | 马新明 熊淑萍 李琳 张娟娟 何建国 |
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| 作者单位： | 1. 河南农业大学农学院,郑州,450002
2. 中国农业大学农学与生物技术学院,北京,100094 |
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| 基金项目： | 国家“863”项目(2001AA115380)，河南省高校科研人才创新工程基金资助项目(2002KJCXO5). |
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| 摘 要： | 采用盆栽方法，研究了土壤水分对专用小麦生育后期光合特性及产量的影响.结果表明，强筋小麦豫麦34旗叶叶绿素计读数（SPAD值）、PSⅡ活性（Fv/Fo）和PSⅡ最大光能转换效率（Fv/Fm）在土壤相对含水量60%(FC)的条件下最高，光化学猝灭系数（qP）、非光化学猝灭系数（qN）、有效电子传递速率（ETR）和传递的量子产率（Ф2）在80%FC下最高；高产小麦豫麦49旗叶SPAD值、qP、qN、ETR均以80%FC下最高， Fv/Fo、 Fv/Fm和Ф2受土壤水分影响不大；弱筋小麦豫麦50,除qN在80%FC下最低外，其余光合特性参数均以80%FC的条件下最高.豫麦34产量和蛋白质含量均以60%FC最高，且产量达极显著差异；豫麦49和豫麦50籽粒蛋白质含量以40%FC最高，籽粒产量以80%FC最高，且豫麦49产质差异均达显著水平，而豫麦50的产量差异达极显著水平.
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| 关 键 词： | 土壤水分 专用小麦 光合特性 产量 |
| 文章编号： | 1001-9332(2005)01-0083-05 |
| 收稿时间： | 2003-12-24 |
| 修稿时间： | 2003年12月24 |
Effects of soil moisture on photosynthetic characteristics of different specialized end-uses winter wheat at their later growth stages and on their yields |
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| MA Xinming,XIONG Shuping,LI Lin,ZHANG Juanjuan,HE Jianguo.Effects of soil moisture on photosynthetic characteristics of different specialized end-uses winter wheat at their later growth stages and on their yields[J].Chinese Journal of Applied Ecology,2005,16(1):83-87. |
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| Authors: | MA Xinming XIONG Shuping LI Lin ZHANG Juanjuan HE Jianguo |
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| Affiliation: | MA Xinming1,XIONG Shuping1,LI Lin2,ZHANG Juanjuan1,HE Jianguo1 |
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| Abstract: | In this study,pot experiments with various cultivars of specialized end-uses winter wheat were carried out at Henan Agricultural University Research Station during 2001～2003.The results showed that as for cultivar Yumai 34,the values of its chlorophyll meter(SPAD),PSII activity (Fv/Fo) and maximal PSII light energy transformation efficiency (Fv/Fm) were the highest when soil moisture content was at 60% of field capacity (FC),but the photochemical quenching coefficient (qP),non-photochemical quenching coefficient (qN),apparent photosynthetic electron transport rate(ETR) and the ratio of PSII photochemical quantum yield (Ф2) were all increased at 80% of FC.For high-yielding cultivar Yumai 49,its SPAD,qP,qN and ETR were higher at 80% of FC,but Fv/Fo,Fv/Fm and Ф2 were less affected by FC.For cultivar Yumai 50,the values of its photosynthetic characteristics were the highest at 80% of FC, except that the qN value was the lowest.The yield and the relative content of grain protein of cultivar Yumai 34 were also increased at 60% of FC. Furthermore, there was a significant difference among grain yields.The relative contents of grain protein of cultivars Yumai 49 and 50 were improved at 40% of FC,while the highest yields were obtained at 80% of FC.There were significant differences in the grain yields of Yumai 49 and 50 among different soil moisture treatments. |
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| Keywords: | Soil moisture Wheat with specialized end-uses Photosynthetic characteristics Yield |
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