气孔蒸腾

气孔蒸腾中保卫细胞原生质的调控作用

Modulation effect of protoplasm in guard cell on stomatal transpiration

气孔蒸腾的动力及小孔定律

Motive Force of Stomatal Transpiration and Marginal Effect of Stoma

这些分析取决于非气孔蒸腾和温度这样一些可能混淆的因素。

These analyses depend on a number of potentially confounding factors such as nonstomatal transpiration and temperature .

因而提出保卫细胞原生质在气孔蒸腾中的作用值得进一步研究。

We suggest that the protoplasm of guardcell involved in stomatal movement .

本文讨论了植物体内水分上升的机理和动力，认为植物的气孔蒸腾作用驱动液体从根部上升到叶片。

In plants , stomatal transpiration drives the mass flow of liquid water from the roots to the leaves .

水资源短缺成为限制农业发展的主要原因，而植物根系吸收水分的95%以上都通过叶子表面的气孔蒸腾散失出去。

The shortage of water resource limited the development of agriculture . 95 % of water absorbed by roots lost out through stoma on the leaves .

全球植物每年约耗掉65%的淡水资源，而这些水分大部分是通过气孔的蒸腾作用丧失掉的。

It was estimated that plants account for around 65 % fresh water use every year , which was mainly lost through stomata .

冬小麦叶片水势、气孔阻力、蒸腾速率与环境因素的关系

Relations Between Leaf Water Potential , Stomatal Resistance and Transpiration Rate of winter wheat , and Environmental Factors

三步移栽炼苗过程中气孔指标及蒸腾强度呈规律性变化，幼苗成活率在70%以上。

The stomatal index and transpiration rate changed regularly during three-steps transplantation and the survival rate was over 70 % .

以'新9号'扁桃为试材，对其主要光合特性及其影响因子进行了研究，结果表明，旱作扁桃的光合作用受叶片内部气孔阻力和蒸腾速率及外部光量子通量密度等因子的影响。

The leaf of almond under no water condition was regulated by stoma and transpiration rate and affected by photon flux density .

吐温-80（浓度0.02～2%）处理后，引起玉米苗气孔运动及蒸腾作用的显著变化。

Treatment with Tween-80 ( concentration 0.02 & 2 % ) of leaves of maize seedlings induced obvious changes of stomatal movement and transpiration .

因此，通过气孔调节降低蒸腾耗水量是提高作物水分利用效率、节约灌溉用水的一个重要途径。

So it is a good way to increase the water efficiency in plants and save irrigation water through adjusting stoma open or reducing transpiration water consumption .

采用田间酸雨喷淋系统在南京中山植物园研究了模拟酸雨对11种农作物的叶片可见伤害和叶绿素含量、光合作用、细胞膜透性、气孔阻抗、蒸腾强度的影响。

The field acid rain spray system was adopted to study the effects of simulant acid rain on leaf injury and chlorophyll content , photosynthesis , permeability of cell membrane , stomatic impedance , and transpiration intensity of 11 crops .

中生植物主要是通过增加气孔阻力限制蒸腾失水，而旱生植物则依靠高浓度的细胞原生质减少水分的散失，后者保水效率远高于前者。

Mesic plants limited water loss from transpiration by increasing their stoma resistance , while xeric plants decreased water loss by keeping the high concentration of cell protoplasm . The latter had a higher efficiency of keeping water than the former .

研究不同土水势值对油菜的生长发育状况和叶水势、叶温、叶气孔阻力、蒸腾强度、叶细胞液浓度等生理性状，以及油菜的经济产量和生物学产量的影响。

The effects of three soil water potentials on the growth , leaf water potential , leaf temperature , leaf stom - atal resistance , transpiration rate , leaf cell sap consistance and economic and biological yield of rape were investigated .

美国生物圈二号内生长在高CO2浓度下的10种植物气孔导度、蒸腾速率及水分利用效率的变化

Changes in stomatal conductance , transpiration and water use efficiency of ten species experienced in high co_2 concentrations in Biosphere 2

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 .

CO2浓度升高，气孔阻力增大，蒸腾速率下降。

With the CO 2 concentration enrichment , the stoma resistance will be increased , but the transpiration will be decreased .

CO2浓度升高和干旱胁迫均使叶片气孔阻力增大，蒸腾速率下降。

With the in crease of CO 2 concentration and drought stress , the leaf stoma resistance increase and transpiration rate decrease .

Pn受多种生理因子的影响，成熟过程中叶绿素含量、气孔导度、蒸腾速率分别与Pn呈正相关；

The Pn is influenced by many physiological factors . During the ripening process , the chlorophyll content , the stomatal conductance and the transpiration rate are positively correlated with Pn .

更新修剪显著提高了不同枝条叶片的光合速率、气孔导度和蒸腾速率，显著降低了叶片胞间CO2浓度。

Renewal pruning significantly increased photosynthetic rate , stomatal conductance and transpiration of different shoots ; and significantly decreased intercellular concentration . 2 .

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 .

这充分表明：pH能够通过改变叶片尤其是木质部ABA含量，从而影响气孔导度和蒸腾速率。

The results verified the view that it is through modifying xylem sap ABA concentration that pH has effect on the stomatal conductance and transpiration rate .

ALA预处理，瓶插6d后后，叶片的气孔导度、蒸腾速率、净光合速率高于对照，即延缓了，预处组叶片胞间CO2浓度低于对照，水分利用率亦低于对照组。

The stomatal conductance , transpiration rate , net photosynthetic rate under ALA Pre-treatment were higher than the control .

ET处理及ET+GA处理均提高了两品种光合速率、气孔导度和蒸腾速率，后者效果更好。

Both the ethephon treatment and ethephon plus gibberellin treatment increased the net photosynthetic rate , the gas conductance and the transpiration efficiency . The latter was more effective .

施氮后玉米叶片净光合速率、气孔导度、蒸腾速率、SPAD值均高于不施氮处理。

Pn , Gs , Tr and SPAD of nitrogen application were higher than treatment of no nitrogen application .

其中，气孔导度、蒸腾速率、叶温、光合有效辐射及基于叶温的蒸汽压亏缺是大豆光合作用的促进因子；细胞间CO2浓度、空气中CO2、空气相对湿度为主要的限制因子。

Stomata conductance , transpiration rate , temperature of leaf , photosynthetic was promoting factors for bean leaf ; intercellular CO2 concentration , CO2 of air and air relative humidity were mainly limiting factors . 3 .

研究了土壤干旱条件下，不同的施钾水平对烟草光合速率、胞间CO2浓度、气孔导度、蒸腾速率、蒸腾效率及生物量的影响。

The experiment of the effect of different potassium supplied on tobacco photosynthesis rate , intercelluar CO 2 content , stomatal conductance , transpiration rate , transpiration efficiency , and biomass under soil drought was carried out in pots .

盆栽处理10-20g/株氯酸钾导致严重的落叶和叶片黄化、抑制叶片光合作用、降低气孔导度和蒸腾作用，但提高了叶肉CO2浓度。

In potted longan , 10 to 20 g / tree of potassium chlorate caused severe leaf drop and leaf chlorosis . The treatments inhibited photosynthesis , reduced stomata conductance and transpiration while increased the CO2 concentration in mesophyll .

净光合速率，气孔导度和蒸腾速率的日变化呈单峰曲线，细胞间CO2浓度的日变化呈V字型变化。

Diurnal changes of net photosynthetic rate ( Pn ), stomatal conductance ( Gs ) and transpiration rate ( E ) of muskmelon leaves were a single-apex curve , whereas diurnal change of intercellular CO2 concentration ( Ci ) was a V style .