Physiology Room of Horticulture Plants (room 307)

The plant physiology laboratory provides service principally for scientific research. They are mainly used to analyze carbon reaction and photoreaction in plant photosynthesis as well as research on vegetation growth, environmental monitoring, dynamic properties of facilities and materials, etc.

●TOC-L Total Organic Carbon Analyzer

Basic Information:

Model: TOC-L

Manufacturer: SHIMADZU

Technical Parameters：

1. Combustion catalytic oxdation/NDIR method, standalone, automatic injection type, measurement range TC; 0 to 30,000mg/L, IC:0 to 35,000mg/L. detection Limit: 4μg/L

2. Equipped with a detection module for total nitrogen, the measuring rangeis0–10000 mg/L

3. The furnace temperatureis≥980℃

Test Items：

1. To measure TC, IC, TOC(="TC-IC)" and NPOC in liquid and solid samples

2. To measure POC(volatile organic carbon), TOC(POC="NPC), and TN(total nitrogen)

● Q2000 DSC

Basic Information:

Model: Q2000

Manufacturer: TA, USA

Technical Parameters：

1. DSC measurement ranges:700mW

2. Temperature Range:-90~725℃

Test Items：

1.To measure specific heat capacity, thermal stability, phase-transition temperature(melting point, glass transition temperature, crystallization kinetics), crystallization temperature, and the degree of crystallinity

2. Kinetic study on the curing reaction of thermosets

● Innova 1412i Photoacoustic Gas Monitor

Basic Information:

Model;:Innova 1412i

Manufacturer: Luma Sense Technologies, Denmark

Technical Parameters:

1. 
   

   Detection methods: Infrared photoacoustic spectroscopy

   
   

   The 1412i automatically compensates for the interference from temperature, water vapor, and other measured gases

   
   

   Optical filters for measuring sulfur hexafluoride, CO2, ammonia, nitrous oxide, methane, and single-point calibrations performed

Test Items: To detect carbon dioxide,ammonia gas,nitrous oxide,methane,sulfur hexafluoride, and water vapor online.

●Multispectral Fluorescence Imaging System

Basic Information:

Model: FC800

Manufacturer: PSI, Czech

Technical Parameters:

1. 
   

   Imaging area, 20×20cm

   
   

   High-definition CCDlens, 1392×1040 pixels

   
   

   PAR absorbed and NDVI imaging module: filter wheel with seven working cells and a dedicated NDVI filter; LED light-house with 735nm far-red light and 680nm red light

   
   

   Chlorophyll fluorescence imaging analysis software has menu items like Live, Protocol, Preprocessing, and Result

Test Items：

1. 
   

   To analyze chlorophyll fluorescence dynamic imaging

   
   

   To measure and analyze the multispectral fluorescence imaging activated by long-wave UV (320nm-400nm) on the leaves of plants

   
   

   To measure the steady fluorescence imaging by selecting a kind of green fluorescent protein (GFP)

   
   

●Plant Physiological And Ecological Monitoring System

Basic Information:

Model: EMS-ET

Manufacturer: EMS,Czech

Technical Parameters：

1. 
   

   Measuring range of stem diameter is 6-20mm

   
   

   Stem growth sensor, 0-5mm, diameter range is 5-70mm

   
   

   Fruit growth sensors, 7-45mm, 15-90mm, and 30-160mm

   
   

   Infrared canopy surface temperature sensor,-10-65℃

   
   

   Net radiation sensor, 0-1500W.m-2

   
   

   Air temperature and humidity sensor-40℃-60℃ and 0-100%

   
   

   TDR Soil moisture sensor, 0-100%

   
   

   Soil temperature sensor, -15-50℃

   
   

   Wind sensor with 0.28m/starting threshold of wind velocity

Test Items：

It can continuously monitor the plant's physical indices, including photosynthesis, stem flow, stem and fruit growth, leaf temperature, optical radiation, air moisture, rainfall, soil moisture, and temperature, as well as the environmental indices that influence the plant’s physiology for a long time.

●DA7200 Near Infrared Spectrometer

Basic Information:

Model: DA7200

Manufacturer: Perten,Sweden

Technical Parameters;

1. 
   

   Full spectrum scanning is performed at the same time by a unique fixed holographic grating spectroscopy sensor and a diode array detector

   
   

   Scanning mode, more wave length scanning mode, and spectral average mode

   
   

   Wavelength coverage, 950-1650nm

   
   

   Analysis time: 1-6 seconds

Test Items：

1. 
   

   To test the indices of total sugar, total acid, amino acid, moisture, SSC, and fatty acid in those fruits without being disposed of, such as apples, pears, grapes, kiwi fruits, persimmons, cherries, etc.

   
   

   To test the indices of total sugar, total acid, amino acid, moisture, SSC, and fatty acid in those vegetables such as tomatoes, cucumbers, melons, watermelons, lettuces, cabbages, Chinese cabbages, peppers, strawberries, etc.

   
   

●PikaXC2 Environment Three-dimensional Monitoring Equipment( Infrared Imaging Spectrometer)

Basic Information:

Model: PikaXC2

Manufacturer: Resonon, USA

Technical Parameters：

1. Spectral region,400-1000nm

2. Resolution,1.3nm

3. PikaXC2hasC-mount, the microscope can be directly connected to observe the spectral image of micro samples

4. Directly preview image measurement area by double light path system and visual focus

The Main Testing Programs：

It can realize three-dimensional perception and multi-angle monitoring of environmental information.

●LI-6400 XT Portable Photosynthesis System

Basic Information:

Model: LI-6400XT

Manufacturer: LI-COR, USA

Technical Parameters：

1. 
   

   CO2 analyzer, best range 0-3100µmol mol-1

   
   

   H2O analyzer, range 0-75mmol mol-1

   
   

   Flow rate: 0-700 µmol s-1(using CO2injector) and 150-1000 µmols-1(with no CO2injector)

   
   

   CO2mixing rage:0 -> 2000 µmol mol-1(usingCO2injector)

1. 
   

   Fluorescence: blue light sensity,0-100µmol m-2s-1, red light sensity,0-3000µmol m-2s-1, saturation light intensity,0-8000µmol m-2s-1

Test Items：

1. 
   

   Net photosynthesis rate (PN), stomatal conductance (GS), transpiration rate (TS), CO2 concentration in intercellular space (Ci), atmospheric CO2 concentration (Ca), photon flux density (PFD), leaf temperature (TL), relative air humidity (RH), etc.

   
   

   Maximal fluorescence (FM), original fluorescence (FO), variable fluorescence (FV), photochemical quenching (qP), non-photochemical quenching (qN), etc.

   
   

   To calculate several important physiological and ecological indices like light saturation point, light compensation point, CO2 saturation point, and CO2 compensation point on the basis of automatic measurement

   
   

●LI-6800 Portable Photosynthesis Measurement System

Basic Information:

Model: LI-6800

Manufacturer: LI-COR,USA

Technical Parameters：

1.CO2 analyzer measurement rage, 0-3100µmol mol-1

2.H2O analyzer, measurement rage0-75mmol mol-1

3.Lear chamber flow rate:0-1400 µmol s-1,bulk flow rate range:680-1700 µmol s-1

4.Fluorescence:Actinnic light:0-1000µmol m-2s-1blue,0-2000µmol m-2s-1 red, saturation light: 0-16000µmol m-2s-1

Test Items: Gas CO2 concentration, air temperature, and moisture, leaf temperature, stomatal conductance, and transpiration rate. Fo, Fm, Fm’, F, Fo, Fv/Fm, ΔF/Fm’="Y(II)," qP, qL, and so on.

●PAM-2500 Portable Modulated Chlorophyll Fluorometer

Basic Information:

Model: PAM2500

Manufacturer: Walz, Germany

Technical Parameters：

1.Use ultra-high light-emitting diode (LED) as actinic light and

saturation pulses

2.Equipped with light-acclimation leaf clip, 60 degree fiber optics leafclip adapter, aluminum alloy dark-acclimation leaves clip

Test Items: Fo, Fm, F, qP, qN, NPQ, ETR, etc., of plants, mosses, microalgae, etc.