| 三十烷醇对草莓光合特性影响的初步研究 |
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| 引用本文： | 滑昕,张立,汪一萌,郑彩霞. 三十烷醇对草莓光合特性影响的初步研究[J]. 北方园艺, 2011, 0(4): 33-36 |
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| 作者姓名： | 滑昕 张立 汪一萌 郑彩霞 |
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| 作者单位： | 北京林业大学生物科学与技术学院,北京,100083;山东外国语职业学院,山东日照,276800 |
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| 摘 要： | 以温室盆栽草莓为试材,研究不同浓度三十烷醇(TA)对草莓光合特性的影响。结果表明:TA处理5 d后,能显著的提高草莓的光合作用。与对照相比,草莓叶片的净光合速率(Pn)、蒸腾速率(Tr)和气孔导度(Gs)均表现为在低浓度(≤0.1 g/L)时受到促进作用,在高浓度(≥1g/L)时受到抑制作用。随TA浓度的增加,胞间二氧化碳浓度(Ci)逐渐降低,水分利用效率(WUE)和气孔限制值(Ls)逐渐增加。不同浓度的TA对草莓叶片叶绿素含量的影响不同,但差异不显著。TA喷施的最适浓度为0.1g/L。
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| 关 键 词： | 三十烷醇 草莓 光合作用 |
Preliminary Research on Physiological Effects of Different Triacontanol on Strawberry |
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| HUA Xin,ZHANG Li,WANG Yi-meng,ZHENG Cai-xia. Preliminary Research on Physiological Effects of Different Triacontanol on Strawberry[J]. Northern Horticulture, 2011, 0(4): 33-36 |
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| Authors: | HUA Xin ZHANG Li WANG Yi-meng ZHENG Cai-xia |
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| Affiliation: | HUA Xin~1,ZHANG Li~2,WANG Yi-meng~1,ZHENG Cai-xia~1 (1.College of Biology Science and Biotechnology,Beijing Forestry Universtity,Beijing 100083,2.Shandong Foreign Languages Vocational College,Rizhao,Shandong 276800) |
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| Abstract: | Pot-strawberry in the greenhouse were used to investigate the effercts of triacontanol(TA) on photosynthetic characteristics.The results indicated that TA could signifciantly enhance photosynthetic rate after 5 days with different TA treatment.GDmparing with the control(without TA ),net photosynthetic rate(Pn),transpiration rate(Tr ),an stomatal conductance(Gs) were promoted at lower concentration(≤0.1 g/L) and inhibited at higher concentration(≥1 g/L).Intercellular carbon dioxide concentration(Ci) decreased,while water use efficiency(WUE) and stomatal limitation value(Ls) increased with the increasing concentration of TA.Though various concentration of TA caused different results to chlorophyll content,the difference was not significant.TA concentrations in the range suitable for spraying was 0.1 g/L. |
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| Keywords: | triacontanol strawberry photosynthesis |
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