— 生态 · 农业 · 健康 —
时间：2018-11-14
作者：球速体育
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简介：
LCpro T 全自动便携式光合仪
LCpro-T 便携式光合仪为新一代智能型便携式光相助用测定仪，用以丈量植物叶片的光合速率、蒸腾速率、气孔导度等与植物光相助用相关的参数。仪器应用时间差分IRGA（红外气体剖析）CO2剖析�？楹退す獾餍晨焖傧煊λ羝衅骶苷闪恳镀饷睠O2浓度及水分的变革情况来考察叶片与植物光相助用相关的参数。通过人工光源、CO2控制单位和温度控制单位可以同时精确调控情况条件，从而测定光强、CO2浓度和温度对植物光合系统的影响。本仪器可在高湿度、多尘等卑劣情况中使用，具有广泛的适用性。
上图左为全套光合仪主机配件及便携箱等，上图中为光合仪主机和手柄，上图右为操作人员进行野外实验
l 植物光合生理研究
l 植物抗胁迫研究
l 碳源碳汇研究
l 植物对全球气候变革的相应及其机理
l 作物新品种筛选
l 配备手持式叶绿素荧光仪，内置了所有通用叶绿素荧光剖析实验程序，包括两套荧光淬灭剖析程序、3套光响应曲线程序、OJIP-test等
l 彩色LCD触摸屏，屏幕和控制单位均接纳膜封技术，可在高湿和多尘情况下使用
l 白光和RGB（Red Gree Blue）光源任选其一
l 内置GPS�？�，精确获取经纬度及海拔数据
l 完全自动、独立控制情况参数（空气湿度，CO2浓度，温度，光照强度）
l 精确丈量CO2和水汽数据
l 便携式设计，体积轻小，仅重4.1Kg
l 人体工程学设计，舒适型肩带，携带操作简便
l 手柄内置微型IRGA，有效缩短CO2丈量时间
l 可在卑劣情况下操作，坚固耐用
l 可便当交换差别种类的叶室、叶夹
l 叶室质料精心选择，确保CO2及水分丈量精度
l 数据存储量大，使用即插即拔SD卡
l 维护便当，叶室所有区域都很容易清洁
l 接纳低能耗技术，野外单电池连续事情时间长，可达16小时
l 实时图形显示功效
上图为英国剑桥大学植物科学系M. Davey博士在南极洲对藻类光相助用研究时的事情图片，因LC系列光合仪轻便小巧，坚固耐用，续航长期等特点被列为首选。
l 丈量参数：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、GPS数据等，可进行光响应曲线和CO2响应曲线丈量。
l 手持叶绿素荧光仪（选配）
1. 丈量参数包括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
2. 高时间区分率，可达10万次每秒，自动绘出OJIP曲线并给出26个OJIP-test丈量参数包括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
l CO2丈量规模：0-3000ppm
l CO2丈量区分率：1ppm
l CO2接纳红外剖析，差离开路丈量系统，自动置零，自动气压和温度赔偿
l H2O丈量规模：0-75mbar
l H2O丈量区分率：0.1mbar
l PAR丈量规模：0-3000 μmol m-2 s-1，余弦校正
l 叶室温度：-5 - 50℃ 精度：±0.2℃
l 叶片温度：-5 - 50℃
l 空气泵流速：100 - 500ml / min
l CO2控制：由内部CO2供应系统提供，最高达2000ppm
l H2O控制：可高于或低于情况条件
l 温度控制：由微型peltier元件控制，情况温度-10℃到+15℃，所有叶室自动调理
l PAR控制：RGB光源最大2400μmol m-2 s-1，LED白色光源最大2500μmol m-2 s-1
l 可选配多种带有光源的可控温叶室、叶夹
1. 宽叶叶室：长×宽为2.5×2.5cm，适用于阔叶及大大都叶片类型
2. 窄叶叶室：长×宽为5.8×1cm，适用宽度小于1cm的条形叶
3. 针叶叶室：长约69mm，直径47mm，适用于簇状针叶（白光光源）
4. 小型叶叶室：叶室直径为16.5mm，丈量面积2.16cm2
5. 土壤呼吸/小型植物室：丈量丈量土壤呼吸，或者高度低于55mm的整株草本植物光相助用，底面直径为11cm
6. 多功效丈量室：长×宽×高为15×15×7cm，分为上下两部分，上部丈量小型植物光相助用，下部分丈量土壤呼吸
7. 果实丈量室：上下两部分组成，上部透明，下部为金属，可丈量果实最大直径为11cm，最大高度为10.5cm
8. 冠层丈量室：底面直径12.7cm，高12.2cm，适用于地表冠层
9. 荧光仪联用适配器：适用于连接多种叶绿素荧光仪
上图从左到右依次为宽叶室、窄叶室、LED光源、荧光仪联用叶室、小型叶室
上图从左到右依次为针叶室、果实丈量室、土壤呼吸室、多功效丈量室、冠层室
l 显示：彩色WQVGA LCD触摸屏，480 x 272像素，尺寸95 x 53.9 mm，对角线长109mm
l 数据存储：SD卡，最大兼容32G容量
l 数据输出：Mini-B型USB接口，RS232九针D型接口，最大230400波特率PC通讯
l 供电系统：内置12V 7.5AH锂离子电池，可连续事情至16小时，智能充电器
l 尺寸：主机230×110×170mm，丈量手柄300×80×75mm
l 重量：主机4.1Kg，丈量手柄0.8Kg
l 操作情况：5到45℃
Glyphosate reduces shoot concentrations of mineral nutrients in glyphosate-resistant soybeans, Zobiole L. et al. 2010, Plant and Soil, 328(1): 57-69
本研究对差别类型的抗草甘膦大豆进行草甘膦处理，发明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。
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
上图左为本研究设计的气室装置，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（模拟四周其他植物被啃食时释放的信号）时的生理变革，上图右标明两种处理都提高了植物的净光合速率。
英国
1) 与叶绿素荧光仪组成光相助用与叶绿素荧光丈量系统
2) 与FluorCam联用组成光相助用与叶绿素荧光成像丈量系统
3) 可选配高光谱成像实现从单叶片到复合冠层的光相助用时空变革研究
4) 可选配O2丈量单位
5) 可选配红外热成像单位以剖析气孔导度动态
6) 可选配PSI智能LED光源
7) 可选配FluorPen、SpectraPen、PlantPen等手持式植物（叶片）丈量仪器，全面剖析植物叶片生理生态
8) 可选配ECODRONE?无人机平台搭载高光谱和红外热成像传感器进行时空花样视察研究
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