Study on Photosynthesis of Sunflower as Affected bySoil Salt Levels

机译：土壤盐分水平对向日葵光合作用的影响

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Field experiments were conducted to investigate the effects of soil salt levels on thephotosynthesis of sunflowers. Photosynthetic rate (Pn), photosynthetic active radiation (PAR), leaftemperature (TL), transpiration (Tr), intercellular CO2 concentration (Ci), stomata limiting value (Ls)and stoma conductance (Cs) were measured at various light intensities and temperatures during thesquaring stage of the sunflowers. The results indicated that Pn of sunflowers under light and mediumlevels of salt stresses reached its peak value at 10:00 am. Sunflower leaves under different saltlevels have different responses to high temperature and strong light intensity. No significant effect onPn of light intensity was found but a significant effect of temperature was observed.

机译：进行了田间试验，以研究土壤盐分水平对盐分的影响。向日葵的光合作用。光合速率（Pn），光合有效辐射（PAR），叶片温度（TL），蒸腾（Tr），细胞间CO2浓度（Ci），气孔极限值（Ls）在光照过程中，在不同的光强度和温度下测量气孔和电导率（Cs）。向日葵的平方阶段。结果表明，光照和中等强度下向日葵的Pn 盐胁迫的水平在上午10:00达到峰值。向日葵叶在不同的盐下水平对高温和强光强度有不同的响应。对没有明显影响发现光强度的Pn，但是观察到温度的显着影响。

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《2004 CIGR International Conference : Collection of Extent Abstracts》|2004年|1-7|共7页
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Dong Kong; Haibin Shi; Zhanmin Wei; Zailing Huo; Yun Yan; Yiqiang Zhang;
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salt levels; oil sunflower; photosynthesis;

机译：盐含量;油葵;光合作用;

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Study on Photosynthesis of Sunflower as Affected bySoil Salt Levels

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