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It contains quadratic photosynthetic chamber and columned soil fixing body, wherein soil fixing body of canopy leaf chamber bottom set with knob basal portion being corrugation notch, capable of easy inserting amboceptor in soil to form inclosed canopy leaf chamber, amboceptor upper port inosculation with photosynthetic chamber lower wall round opening to make canopy leaf chamber intracavity forming one integral, photosynthetic chamber upper wall sealed by two side glue and photosynthetic film to ensure photosynthetic chamber steady light permeability, photosynthetic chamber sidewall installed one small size fan controlled by external battery and switch, fan capable of rapid making canopy leaf chamber gaseous reaching equalization.
本发明涉及一种用于测定植物冠层群体光合作用的冠层叶室，由正方形的光合室和圆柱状的土壤固定体两部分结合而成，冠层叶室下部土壤固定体设有把手，基部为波纹状切口，可以很容易地把固定体插入土壤中形成密闭的冠层叶室，固定体上口与光合室底壁的圆形开口吻合，使冠层叶室的内腔形成一个整体；光合室顶壁用双面胶和光合薄膜密封，以保证光合室稳定的透光性能；光合室侧壁内安装一个小型风扇，由装在侧壁外的电池和开关控制，风扇可使冠层叶室内的气体迅速达到平衡。
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Results showed that the low light environment decreased the maximal rate of photosynthesis and carboxylation efficiency in the summer growing season, but the degree of depression depended on leaf age.
试验在人工培育的银杉苗圃地，采用遮荫的方法设置不同的光环境处理（100％、45％和3％自然光强），利用气体交换技术和叶绿素荧光技术测定了3种光强下银杉叶片光合生理指标的变化，探讨了不同光环境下银杉幼树光合能力在夏季和冬季的变化及其对生长光强的响应等。
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When grown in the light and with nutrition as the limiting factor, the wild type was less influenced due to its capability of photosynthesis and quickly became predominant over the mutant that has no photosynthetic apparatus. However, when grown heterotrophically in the dark, the mutant remained less competitive than the wild type, showing that the euglenoid proplastids play a role in competition.
在光照情况下，当营养物质成为限制因子时，由于具有光合能力野生型生长受影响较小，在与没有光合器的突变株的竞争中很快地显示出优势；在黑暗中二者均只能以异养方式生长，但突变株仍然处于竞争弱势，显示原质体结构对于生存竞争的作用。
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The research aimed to study the application of self-made leaf chamber groups on measuring the photosynthetic characteristics of Ranunculus ternatus Thunb., to solve the problem of Ranunculus ternatus Thunb. not to be measured during the measurement of photosynthetic characteristics because it leaf was small, grew attaching land, and to provide convenient for microphyll plants during the measurement of photosynthetic characteristics.
［目的］研究自制群体叶室在猫爪草光合特性测定中的应用，以解决在猫爪草光合特性测量中，猫爪草叶片小、贴地生长不易测量的困难，为小叶植物的光合测量提供方便。
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Result The results showed that it has the characteristics of good sealing, easy connecting, simple and practical use and rapid time-saving, and the effects are good to measure photosynthetic characteristics of Ranunculus ternatus Thunb. using open measurement pattern. It solved problems that the original leaf chamber groups had large room so the petiole was broke easily when the leaves were clamped and the leaves growing attaching land are measured difficultyly after leaf chamber groups and photosynthesis instrument was assembled.
结果］结果表明，这种叶室密封性好，接驳容易，简单实用，操作方便，快速省时，采用开路测量模式测量猫爪草光合特性效果良好，解决了原配叶室存在叶室较大，夹住叶片时极易折断叶柄及叶室和光合仪组装完成后难以对贴地生长叶片进行测量等问题。
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The results showed that both of Michaelis-Menten equation and Dagneli equation primely simulated response of photosynthesis rate to light intensity, and their effect was consilient. But the parameters of maximum photosynthesis, initial quantum efficiency and dark respiration by Michaelis-Menten equation was very distinctly bigger than them by Dagneli equation.
结果表明，两种方程均能很好地描述大豆和玉米叶片光合速率对光强的响应特征，两种方程的模拟效果是一致的，但两种方程得到的参数存在极显著差异，用Michaelis-Menten方程模拟得到的表观初始量子效率、表观最大光合速率、表观暗呼吸速率极显著大于用Dagneli方程得到的参数。
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Photosynthetic traits of Ningai 1 and its 4B-monosomic, nullisomic line were investigated in this paper(Rht3 gene was located in 4B-chromosome). 4B-chromosome has the positive effects on photosynthetic rate, chlorophyll content, RuBP carboxy lase content and activity, leaf conductance, chlorophyll relatve steady phase and photosynthetic avtive duartion and these effects are accumlative. So 4B-chromosome has the promoting influence on photosynthesis.
本文系统地研究了带有Rht3基因的4B染色体二体(宁矮1号)、单体(宁矮1号M4B)、缺体(宁矮1号N4B)材料的光合特性，发现带有Rht3基因的4B染色体对光合速率、叶绿素含量、RuBP羧化酶含量及活性、叶片导度均有正效应，并有累加作用，而且对叶绿素含量缓降期和光合速率高值持续期也有正效应，因此带有Rht3基因的4B染色体具有促进光合作用的效应。
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A portable photosynthesis system made by PPSYSTEM Ltd. was used to study the photosynthetic properties of 3 cultivarsof Rubus idaeus under the field conditions. The results indicated that the individual leave net photosynthetic rates had 2 peaks during a day,an obvious photosynthetic midday slump was observed in A,there was a significant difference in midday depression among the 3 cultivars;evaporation rates of B and C had 2 peaks during a day,while A had 1 peak,and an obvious midday slump was observed in B and C;Stomatic conductance is the key factor of midday slump;Compared with B and C,A had a higher water using efficiency,which will consume less soil water.
利用英国PP-SYSTEM公司生产的TPS-1便携式光合作用测定系统，对3个树莓品种的光合特性进行了比较研究，结果表明树莓叶片光合速率日变化呈双峰曲线，A品种&日中低落&现象明显，B、C品种不甚明显；B、C品种的蒸腾速率日变化曲线基本上为双峰型，日变化过程中的&午休&现象非常明显，而A品种为单峰型，日变化过程中的&午休&现象不甚明显；此外，叶片气孔导度与叶片光合速率的日变化趋势基本一致，呈平行变化趋势，说明气孔导度是影响光合速率的直接因子；较B、C品种而言，A品种具有较高的水分利用效率，说明其更能节约并有效地利用土壤水分。
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The results showed that, the diurnal changes of Pn of leaves in eggplant showed a double peak curve (there was a significant "midday depression" at noon), whether of Erming or Kuaiyuan; seedling stage, flowering stage, or fruits growing stage; top leaves, middle part leaves or bottom leaves. But the extent and the time of midday depression were different. The stomatal conductance, transpiratory rate, intercellular CO2 concentration, and air CO2 concentration of eggplant leave were decreased when midday depression was happened, but photosynthetic active radiation and leaf temperature were maximum. The reasons of midday depression of eggplant leaves were stomatal factors.
结果表明，茄子晴天Pn日变化无论品种是否相同、生育期是否相同、叶位是否相同（上部叶片、中部叶片和底部叶片），无一例外地表现为&双峰&曲线，即有光合&午休&现象存在，只是&午休&的时间和程度上有差异；光合&午休&时气孔导度、蒸腾速率、细胞间隙CO2浓度、大气CO2浓度均下降，而光合有效辐射和叶片温度此时几乎处于最大值，茄子光合&午休&是由气孔因素引起的。
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Photosynthetic physiology index and diurnal change of photosynthesis, in 5 Rhododendron delavayi cultivars, such as jean de marle montague, Bule bell, which were introduced from Shijiazhuang, Hebei Province were studied. The photosynthetic light -response curve of different cultivars was also simulated.
对红粉玉蝶、井岗紫霞等5个从河北石家庄等地引进的高山杜鹃优良品种的主要光合生理指标、光合日变化进行了比较研究，并对各品种的光响应曲线进行了拟合。
- 更多网络解释与光合地相关的网络解释 [注：此内容来源于网络，仅供参考]
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accessory pigment：辅助色素
辅助色素(accessory pigment):在植物和光合细菌,像类胡萝卜素叶黄素和藻胆素中,吸收可见光的色素,这类色素是对叶绿素捕获光能的补充. 非皂化脂质. 是广泛地分布于动植物中的黄、橙、红或紫色的一组色素. 构成发色原因的共轭二重键具有长链聚烯烃结构.