LCPro-SD 便携式智能光合仪
LCPro-SD便携式智能光合仪为智能型便携式光合作用测定仪,用以测量植物叶片的光合速率、蒸腾速率、气孔导度等与植物光合作用相关的参数。LCPro-SD便携式智能光合仪应用IRGA(红外气体分析)CO2分析模块和双激光调谐快速响应水蒸气传感器精密测量叶片表面CO2浓度及水分的变化情况来考察叶片与植物光合作用相关的参数。LCPro-SD便携式智能光合仪通过人工光源、CO2控制单元和温度控制单元可以同时精确调控环境条件,从而测定光强、CO2浓度和温度对植物光合系统的影响。LCPro-SD便携式智能光合仪可在高湿度、高尘埃等恶劣环境中使用,具有广泛的适用性。
应用领域
- 植物光合生理研究
- 植物抗胁迫研究
- 碳源碳汇研究
- 植物对气候变化的相应及其机理
- 作物新品种筛选
技术特点
- 配备手持式叶绿素荧光仪,内置了所有通用叶绿素荧光分析实验程序,包括两套荧光淬灭分析程序、3套光响应曲线程序、OJIP-test等
- *自动、独立控制环境参数(空气湿度,CO2浓度,温度,光照强度)
- 精确测量CO2和水蒸汽
- 便携式设计,体积轻小,仅重4.4Kg
- 人体工程学设计,舒适型肩带,携带操作非常简便
- 微型IRGA置于叶室中,大大缩短CO2测量的反应时间
- 可在恶劣环境下使用,野外工作时间长
- 可方便互换不同种类的叶室、叶夹
- 叶室材料经精心选择,以确保CO2及水分的测量精度
- 数据存储量大,使用即插即拔的SD卡
- 维护方便,叶室所有区域都很容易清洁
- 采用低能耗技术,野外单电池持续工作时间长,可达16小时
- 实时图形显示功能
技术指标
- 测量参数:光合速率、蒸腾速率、胞间CO2浓度、气孔导度、叶片温度、叶室温度、光合有效辐射、气压等,可进行光响应曲线和CO2响应曲线测量。
- 手持叶绿素荧光仪(选配)
- 测量参数包括F0、Ft、Fm、Fm’、QY_Ln、QY_Dn、NPQ、Qp、Rfd、RAR、Area、M0、Sm、PI、ABS/RC等50多个叶绿素荧光参数,及3种给光程序的光响应曲线、2种荧光淬灭曲线、OJIP曲线等
- 高时间分辨率,可达10万次每秒,自动绘出OJIP曲线并给出26个OJIP-test测量参数包括F0、Fj、Fi、Fm、Fv、Vj、Vi、Fm/F0、Fv/F0、Fv/Fm、M0、Area、Fix Area、Sm、Ss、N、Phi_P0、Psi_0、Phi_E0、Phi-D0、Phi_Pav、PI_Abs、ABS/RC、TR0/RC、ET0/RC、DI0/RC等
- CO2测量范围:0-3000ppm
- CO2测量分辨率:1ppm
- CO2采用红外分析,差分开路测量系统,自动置零,自动气压和温度补偿
- H2O测量范围:0-75 mbar
- H2O测量分辨率:0.1mbar
- PAR测量范围:0-3000 μmol m-2 s-1,余弦校正
- 叶室温度:-5 - 50℃ 精度:±0.2℃
- 叶片温度:-5 - 50℃
- 空气泵流量:100 - 500ml / min
- CO2控制:由内部CO2供应系统提供,zui高达2000ppm
- H2O控制:可高于或低于环境条件
- 温度控制:由微型peltier元件控制,宽叶叶室可高于或低于环境14℃,其他叶室为10℃
- PAR控制:由高效、低热红/蓝LED阵列单元控制,zui高2000μmol m-2 s-1 (针叶zui高1500μmol m-2 s-1)
- 可选配多种带有光源的可控温叶室、叶夹
- 宽叶叶室:测量面积6.25cm2,适用于阔叶
- 窄叶叶室:测量面积5.2cm2,适用于条形叶
- 针叶叶室:适用于簇状针叶
- 小型叶叶室:叶室直径为16.5mm,适用于叶片直径在11mm和16mm之间的叶片
- 小型草本植物群落测量室:测量高度低于55mm的整株草本植物光合作用
- 整株拟南芥测量室
- 土壤呼吸室:体积为1L,含土壤温度传感器
- 果实测量室:两部分组成,上部透明、下部为体积为1L
- 荧光仪联用适配器:适用于连接多种叶绿素荧光仪
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小型叶叶室 | 小型草本植物群落测量室 | 整株拟南芥测量室 | 果实测量室 | 荧光仪联用适配器 |
- 数据存储:1G SD卡,可存储16,000,000组典型数据
- 数据输出:Mini-B型USB接口,RS232九针D型标准接口,采用38400波特率与打印机或PC通讯
- 供电系统:内置12V 7AH蓄电池,可持续工作至16小时,智能充电器
- 尺寸:主机230×110×170mm,测量手柄300×80×75mm
- 重量:主机4.4Kg,测量手柄0.8Kg
- 操作环境:5到45℃
典型应用
1. Glyphosate reduces shoot concentrations of mineral nutrients in glyphosate-resistant soybeans, Zobiole L. et al. 2010, Plant and Soil, 328(1): 57-69
本研究对不同类型的抗草甘膦大豆进行草甘膦处理,发现大豆的各项光合参数,包括叶绿素含量、气孔导度、光合速率和蒸腾速率都有所降低。
2. Methanol as a signal triggering isoprenoid emissions and photosynthetic performance in Quercus ilex, Seco R. et al. 2011, Acta Physiologiae Plantarum, 33(6): 2413-2422
本研究设计了一个气室装置,用以研究常青栎(Quercus ilex)在剪去部分叶片(模拟啃食)和加入甲醇(模拟附近其他植物被啃食时释放的信号)时的生理变化,发现两种处理都提高了植物的净光合速率。
产地:英国
参考文献(近三年发表近200篇SCI文章,仅列出部分代表性文献)
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- Methanol as a signal triggering isoprenoid emissions and photosynthetic performance in Quercus ilex, Seco R. et al. 2011, Acta Physiologiae Plantarum, 33(6): 2413-2422
- Is distribution of hydraulic constraints within tree crowns reflected in photosynthetic water-use efficiency? An example of Betula pendula, Sellin A. et al. 2011, Ecological research, 25(1): 173-183
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- Differences in stomatal responses and root to shoot signalling between two grapevine varieties subjected to drought, Beis A. et al. 2010, Functional Plant Biology, 37(2): 139-146
- The evaluation of photosynthetic parameters in maize inbred lines subjected to water deficiency: Can these parameters be used for the prediction of performance of hybrid progeny? Holá D. et al. 2010, Photosynthetica 48(4): 545-558
- Photosynthesis, water-use efficiency and δ13C of five cowpea genotypes grown in mixed culture and at different densities with sorghum, Makoi J.H.J.R. et al. 2010, Photosynthetica, 48(1): 143-155
- Why do large, nitrogen rich seedlings better resist stressful transplanting conditions? A physiological analysis in two functionally contrasting Mediterranean forest species, Cuesta B. et al. 2010, Forest Ecology and Management, 260(1): 71-78
- Glyphosate reduces shoot concentrations of mineral nutrients in glyphosate-resistant soybeans, Zobiole L. et al. 2010, Plant and Soil, 328(1): 57-69
- Effect of glyphosate on symbiotic N2 fixation and nickel concentration in glyphosate-resistant soybeans, Zobiole L. et al. 2010, Applied Soil Ecology, 44(2), 176-180