光补偿点

还测定了光补偿点，光饱和点和CO2补偿点。

Light compensation point , saturation point and CO2 compensation point were also determined .

光补偿点及CO2补偿点升高。

The light compensation point ( LCP ) and CO2 compensation point ( CCP ) enhanced .

A和B的光补偿点仅有少许增大，而C的明显增大。

The light compensation points of A and B increased a little , while the light compensation point of C increased obviously .

在15～35℃的范围内，光补偿点、CO2的饱和点和补偿点随温度的升高而升高。

Within the range of 15 ~ 35 ℃, light compensation point , CO2 saturation point and CO2 compensation point raised as temperature raised .

高浓度CO2在降低甜瓜幼苗光补偿点的同时，还使光饱和点升高。

With increasing CO_2 concentration , the light compensation point ( LCP ) decreased , but the light saturation point ( LSP ) increased .

两品种的群体光补偿点为180～190μE·m－2·s－1，鲁谷10号对高光强的利用率高于矮88。

The canopy light compensate points of two varieties were from 180 to 190 μ E. m-2 . s-1 . Utilization efficiency for higher intense solar radiation of Lugu No.

植物的光补偿点、饱和点以及叶绿素含量、叶绿素a／b值都是衡量植物耐阴性的重要指标，植物的表皮特征以及叶片解剖结构与耐阴性关系密切。

Light compensation points , light saturation points , chlorophyll contents and value of Ca / Cb can all be important index of shade-tolerance , leaf epidermis and anatomical character had close relation with shade-tolerance .

水中缺乏游离CO＿2时，菹草的光补偿点提高，光饱和点下降，对氮、磷营养盐的吸收速率显著降低。

The light compensation point of P. crispus increases , light saturation point decreases and the rate of uptake N and P nutrients by P. crispus descends in available carbon short-age in water .

随着光强增加益智光补偿点（LCP）和光饱和点（LSP）均会提高；

The light compensation point ( LCP ) and light saturation point ( LSP ) of A.oxyphyIla improved with light intensity enhancing .

嫁接苗比自根苗有较低的光补偿点（LCP）和CO2补偿点（CCP），较高的光饱和点（LSP）和CO2饱和点（CSP）；

The grafted seedlings presented lower light compensation point , lower CO_2 compensation point but higher light saturation point and higher CO_2 saturation point than the scion-root seedling ;

随遮荫程度的增加，假俭草光补偿点与光饱和点呈下降趋势，但遮荫处理的表观量子效率（AQY）有不同程度的提高，说明该草对弱光具适应性。

The light compensation point and the light saturation point trended to sustaining declined with the enhanced shading degree . While AQY trended to increase in different degree of shading treated .

不同浓度铅基本上不改变草木樨的光补偿点。

Light compensation point was not changed with different lead concentration treatment .

光合作用特征为光补偿点高、光合速率较低。

High ligh compensation point and lower photosynthetic rate are its photosynthetic characteristics .

光补偿点刚从营养期到开花期呈升高趋势。

Light compensation point is tending to rise from vegetative stage to flowering stage .

光补偿点、光饱和点及暗呼吸强度下降，说明杜鹃对弱光生境有一定的适应性。

It showed that a certain ability of acclimation to low light intensity habitats .

小麦旗叶的光补偿点为700Lux左右。

The light compensation point of flag leaves of wheat plant was about 700 Lux .

光补偿点仅在500～1000米烛光范围内稍有变化。

The light compensation point is in the range of 500-1000 lux ( Fig. 2 and 3 ) .

棉叶光补偿点与棉田最大叶面积系数的初步研究

Study on the Light Compensation Point of Cotton Leaf and the Most Large Leaf Area Index of Cotton Field

光补偿点也是落叶松最高。

The light saturation point Larix gmelinii is the highest in both larch plantations and so is the light compensation point .

在10.5%透光率下，叶片的光补偿点、光饱和点分别达到18.26μmol。

The light compensation point ( LCP ) and light saturation point ( LSP ) of leaves in 10.5 % photic rate reached 18.26 μ mol.

下层树种细罗伞（Ardisiatenera）的幼树叶片光补偿点、暗呼吸速率和最大净光合作用均为最低，最适应林下荫生环境；

The young trees of Ardisia tenera , the main tree species of the lower layer in the rainforest , were shown to be the most shade tolerant with the lowest light compensation , Rd and A max ;

同时，适度的增加土壤水分可以降低光补偿点，有利于枣树对弱光的利用，但灌水过多则使得枣树的光补偿点升高。

Meanwhile , the modest increase in soil moisture can reduce the light compensation point , is conducive to the use of low light , but the excessive increase in soil moisture was to make the light compensation point increased .

CO2浓度升高使光合补偿点降低是CO2施肥效应的重要生理因素之一。

CO_ 2 enrichment causing the photosynthesis compensation point to lower is one of the important physiological factors of the CO_2 fertilisation effect .

在本实验条件下，这两种供试植物的光合补偿点和光合饱和点随氮浓度的变化没有表现出规律性。

Under this experiment condition , the light compensation point and light saturation point of the two species didn 't show regularity with the change in nitrogen concentration in water .

m-2.-s1；叶生长初期和叶成熟期净光合速率水势补偿点（净光合速率为0时的水势）分别为-3.65MPa和-5.76MPa，NPQ初始水分胁迫水势分别为-2.20MPa和-6.63MPa。

In the early and mature stages of leaf growth , the photosynthetic water potential compensation points ( the leaf water potential at zero net photosynthetic rate ) was-3.65 MPa and-5.76 MPa respectively , and the NPQ initial water potentials were-2.20 MPa and-6.63 MPa , respectively .

弱光使甜瓜的光补偿点升高，使光饱和点、量子产额及光饱和时的净光合速率（Pn）等降低；

For the muskmelon varieties researched , light compensation points ( LCP ) increased , and light saturation point ( LSP ), apparent quantum yield ( AQY ) and maximum assimilation rate at LSP decreased under two levels of low light intensities .

光饱和点和光补偿点均表现为乔木>灌木>草本。

The light saturation points and light compensation points appeared to follow the pattern of arbors > shrubs > herbs .

而且引种玉米叶片的光饱和点与光补偿点均增大，认为这是对高原环境强烈光照的一种适应。

Furthermore , both light saturation and compensation point were higher in introduced maize , implying an adaptation to plateau environment of intense radiation .

与未驯化苗相比，驯化苗叶片的光合速率和光补偿点下降，光饱和点增大。

Compared with unacclimated seedlings , the leaf photosynthetic rate and photosynthetic light compensation point of acclimated seedlings decreased , photosynthetic light saturation point increased slightly .

3种主要植物光饱和点、光补偿点在禁牧、3个休牧和自由放牧处理差异不显著，净光合速率日进程曲线都成双峰型。

The light saturation point and light compensative point of 3 kinds of plants had little difference among different 5 treatments . Meantime the curves of diurnal variations of light had two peaks .