净光合速率

高锌处理下CA活性明显增加，而净光合速率却迅速下降。

Under high zinc processing , CA activity of maize increased markedly , while net photosynthesis rate declined rapidly .

该处理的秧苗的生理学性状：叶绿素、丙二醛、脯氨酸的指标都优于CK，尽管秧苗的根系活力与净光合速率不及CK但差异未达到显著水平。

Although the root system vigor and net photosynthesis rate were not reached to CK , the difference between them was not significant .

在净光合速率和蒸腾速率方面，处理C、处理E、处理F均有所提高。

The Pn and Tr were increased in C , E , F treatments .

生长初期，温度是限制净光合速率的主要因子，在生长盛期和末期，光强和胞间CO2浓度对净光合速率有主导作用。

The factor limiting the Pn of oriental oak in early growing season was temperature .

主要测定了净光合速率对光照强度和CO2浓度的响应曲线，净光合速率日变化以及相关生理生态因子的日变化。

This test measured net photosynthetic rate and the daily variation of ecological factor .

不同光照强度下CO2浓度对韭菜净光合速率的影响

Effect of CO_2 Concentration on Net Photosynthesis ( P_n ) of Chinese Chive under Different Intensity of Illumination

影响河北核桃净光合速率日变化的主要因子是光合有效辐射、叶片温度及胞间CO2浓度。

The diurnal variation of Pn in hebei-walnut was influenced by light intensity , leaf temperature and intercellular CO2 concentration .

在红薯苗期，土壤生物有效性Cu、Pb与红薯的日平均净光合速率和蒸腾速率之间相关显著。

The daily mean value in the seedling stage showed a stronger relationship with soil bioavailable Cu and Pb .

结果显示，水分胁迫导致3个近等基因品系叶片净光合速率、气孔导度、蒸腾速率降低，胞间CO2浓度在轻度和中度胁迫下降低而在重度胁迫下升高；

However , intercellular CO_2 concentration ( Ci ) decreased under slight water stress and increased under severe water stress .

温度上升到32℃以后，CO2补偿点、饱和点和净光合速率下降。

When the temperature was increased to 32 ℃, the compensatio point , saturation point and net photosynthetic rate decreased .

结果表明：低浓度硒提高了SOD、POD活性，净光合速率、蒸腾速率和气孔导度，促进了生菜生长，而高浓度硒则起抑制作用；

It shows that low concentration of Se can activate SOD , POD and improve the net photosynthesis speed .

光合有效辐射和CO2浓度是对净光合速率和叶片蒸腾速率影响最强烈的环境因子。

The most important environmental influencing factors on Pn and Tr were photosynthetic active radiation ( PAR ) and CO2 concentration .

不同树种在相同CO2浓度下，最大净光合速率及光响应参数值不同；

The maximum net photosynthetic rates and light response parameters of different tree species were different at the same CO-2 concentration .

净光合速率、气孔导度和水分利用效率降低，而胞间CO2浓度和蒸腾速率升高。

Net photosynthetic rate , stomatal conductance and water use efficiency reduced and intercellular CO2 concentration and transpiration rate increased under phosphorus stress .

增强UV-B辐射对高山植物麻花艽净光合速率的影响

Effects of supplementary UV-B radiation on net photosynthetic rate in the alpine plant Gentiana straminea

烯效唑对小麦生育后期冠层叶叶面积、旗叶的净光合速率（Pn）有显著提高作用，从而增强了小麦的发育优势；

S-3307 Treatments significantly increase the canopy leaf area and flag leaf net photosynthetic rate , so enhanced wheat growth .

结果表明，2倍推荐剂量的4种农药对番茄的净光合速率（Pn）和叶绿素荧光参数均产生了不同程度的抑制作用。

All pesticides used with double recommended dose inhibited photosynthesis and chlorophyll fluorescence parameters of tomato plant by different degrees .

低磷胁迫下玉米叶片的净光合速率、气孔导度和蒸腾速率也显著下降，胞间CO2浓度升高。

The results were shown that phosphorous starvation decreased net photosynthetic rate , stomatal conductance and transpiration rate , but increased intercellular CO2 concentration .

T-DNA插入水稻突变体库的叶绿素和净光合速率变化

Chlorophyll Contents and Net Photosynthetic Rates of T-DNA Inserted Rice Mutant Population

外源H2S能够显著提高气孔导度和净光合速率。

Exogenous H2S also improved photosynthesis with significant increase in stomatal conductance and net photosynthetic rate .

单独UV-B辐射下，玉米净光合速率随UV-B辐射强度增加显著降低。

Under single UV-B irradiation treatment , net photosynthetic rate of maize decreased with UV-B irradiation increased .

秋季净光合速率呈双峰曲线，影响光合速率的主要因子为光合有效辐射、蒸腾速率、胞间CO2浓度和大气水气压亏缺；

The photosynthetic rate showed a double-peak curve in autumn , the major factors affecting the photosynthetic rate were E , PAR , Ci and VPDL .

结果如下：CO2加富处理的吉利凤梨，叶片净光合速率、水分利用效率在整个试验期间CO2加富处理组均比对照组高；

The results as follows , the net photosynthetic rate and water use efficiency of CO_2 concentration enrichment were higher than that of ambient CO_2 concentration .

结果表明，用光合有效辐射和蒸腾速率对净光合速率矫正的效果最好，其次为CO2增量和叶室内温度。

The effect is best that photosynthetic rate is adjusted by PAR and transpiration rate then is that adjusted by Delta CO2 and leaf chamber temperature .

3提高空气中CO2浓度，可以提高赞皇大枣净光合速率，但并不改变Pn的日变化规律。

The Pn of Zanhuang-jujube were raised in high CO2 concentration , but the regularity of diurnal changes of Pn was not changed . 4 .

在PEG胁迫下，6种促根处理蒙古栎苗木的净光合速率随时间变化趋势相似，均呈双峰曲线。

The trend of photosynthetic rate under six promoting seedlings root method on Q. mongolica is similar , which is showed a bimodal curve .

净光合速率（Pn）和光呼吸速率（Pr）均下降。但Pr/Pn比值升高。

Both net photosynthetic rate ( Pn ) and photorespiration rate ( Pr ) were declined , but Pr / Pn ratio was raised .

结果表明：1叶片净光合速率Pn具有明显的日变化。

The main results showed as follows . ( 1 ) The net photosynthetic rate ( Pn ) of leaves have obvious diurnal changes .

池杉幼苗在T3组净光合速率平均值与CK组无显著差异，与T1组净光合速率负向响应能力形成鲜明对比；

Ascendens seedlings . The average net photosynthetic rate of T3 was no significant difference in comparison to that of CK .

试验结果表明：遮光处理导致功能叶片叶绿素含量增加及PSⅡ光化学活性提高，但净光合速率降低；

The results showed that the chlorophyll contents and PS ⅱ activity increased apparently under shading , but net photosynthetic rate and CO_ 2 assimilation efficiency decreased .