LCPro-SD 便攜式智能光合儀
LCPro-SD便攜式智能光合儀為智能型便攜式光合作用測(cè)定儀,用以測(cè)量植物葉片的光合速率、蒸騰速率、氣孔導(dǎo)度等與植物光合作用相關(guān)的參數(shù)。LCPro-SD便攜式智能光合儀應(yīng)用IRGA(紅外氣體分析)CO2分析模塊和雙激光調(diào)諧快速響應(yīng)水蒸氣傳感器精密測(cè)量葉片表面CO2濃度及水分的變化情況來考察葉片與植物光合作用相關(guān)的參數(shù)。LCPro-SD便攜式智能光合儀通過人工光源、CO2控制單元和溫度控制單元可以同時(shí)精確調(diào)控環(huán)境條件,從而測(cè)定光強(qiáng)、CO2濃度和溫度對(duì)植物光合系統(tǒng)的影響。LCPro-SD便攜式智能光合儀可在高濕度、高塵埃等惡劣環(huán)境中使用,具有廣泛的適用性。
應(yīng)用領(lǐng)域
- 植物光合生理研究
- 植物抗脅迫研究
- 碳源碳匯研究
- 植物對(duì)氣候變化的相應(yīng)及其機(jī)理
- 作物新品種篩選
技術(shù)特點(diǎn)
- 配備手持式葉綠素?zé)晒鈨x,內(nèi)置了所有通用葉綠素?zé)晒夥治鰧?shí)驗(yàn)程序,包括兩套熒光淬滅分析程序、3套光響應(yīng)曲線程序、OJIP-test等
- *自動(dòng)、獨(dú)立控制環(huán)境參數(shù)(空氣濕度,CO2濃度,溫度,光照強(qiáng)度)
- 精確測(cè)量CO2和水蒸汽
- 便攜式設(shè)計(jì),體積輕小,僅重4.4Kg
- 人體工程學(xué)設(shè)計(jì),舒適型肩帶,攜帶操作非常簡便
- 微型IRGA置于葉室中,大大縮短CO2測(cè)量的反應(yīng)時(shí)間
- 可在惡劣環(huán)境下使用,野外工作時(shí)間長
- 可方便互換不同種類的葉室、葉夾
- 葉室材料經(jīng)精心選擇,以確保CO2及水分的測(cè)量精度
- 數(shù)據(jù)存儲(chǔ)量大,使用即插即拔的SD卡
- 維護(hù)方便,葉室所有區(qū)域都很容易清潔
- 采用低能耗技術(shù),野外單電池持續(xù)工作時(shí)間長,可達(dá)16小時(shí)
- 實(shí)時(shí)圖形顯示功能
技術(shù)指標(biāo)
- 測(cè)量參數(shù):光合速率、蒸騰速率、胞間CO2濃度、氣孔導(dǎo)度、葉片溫度、葉室溫度、光合有效輻射、氣壓等,可進(jìn)行光響應(yīng)曲線和CO2響應(yīng)曲線測(cè)量。
- 手持葉綠素?zé)晒鈨x(選配)
- 測(cè)量參數(shù)包括F0、Ft、Fm、Fm’、QY_Ln、QY_Dn、NPQ、Qp、Rfd、RAR、Area、M0、Sm、PI、ABS/RC等50多個(gè)葉綠素?zé)晒鈪?shù),及3種給光程序的光響應(yīng)曲線、2種熒光淬滅曲線、OJIP曲線等
- 高時(shí)間分辨率,可達(dá)10萬次每秒,自動(dòng)繪出OJIP曲線并給出26個(gè)OJIP-test測(cè)量參數(shù)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測(cè)量范圍:0-3000ppm
- CO2測(cè)量分辨率:1ppm
- CO2采用紅外分析,差分開路測(cè)量系統(tǒng),自動(dòng)置零,自動(dòng)氣壓和溫度補(bǔ)償
- H2O測(cè)量范圍:0-75 mbar
- H2O測(cè)量分辨率:0.1mbar
- PAR測(cè)量范圍:0-3000 μmol m-2 s-1,余弦校正
- 葉室溫度:-5 - 50℃ 精度:±0.2℃
- 葉片溫度:-5 - 50℃
- 空氣泵流量:100 - 500ml / min
- CO2控制:由內(nèi)部CO2供應(yīng)系統(tǒng)提供,zui高達(dá)2000ppm
- H2O控制:可高于或低于環(huán)境條件
- 溫度控制:由微型peltier元件控制,寬葉葉室可高于或低于環(huán)境14℃,其他葉室為10℃
- PAR控制:由高效、低熱紅/藍(lán)LED陣列單元控制,zui高2000μmol m-2 s-1 (針葉zui高1500μmol m-2 s-1)
- 可選配多種帶有光源的可控溫葉室、葉夾
- 寬葉葉室:測(cè)量面積6.25cm2,適用于闊葉
- 窄葉葉室:測(cè)量面積5.2cm2,適用于條形葉
- 針葉葉室:適用于簇狀針葉
- 小型葉葉室:葉室直徑為16.5mm,適用于葉片直徑在11mm和16mm之間的葉片
- 小型草本植物群落測(cè)量室:測(cè)量高度低于55mm的整株草本植物光合作用
- 整株擬南芥測(cè)量室
- 土壤呼吸室:體積為1L,含土壤溫度傳感器
- 果實(shí)測(cè)量室:兩部分組成,上部透明、下部為體積為1L
- 熒光儀聯(lián)用適配器:適用于連接多種葉綠素?zé)晒鈨x
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小型葉葉室 | 小型草本植物群落測(cè)量室 | 整株擬南芥測(cè)量室 | 果實(shí)測(cè)量室 | 熒光儀聯(lián)用適配器 |
- 數(shù)據(jù)存儲(chǔ):1G SD卡,可存儲(chǔ)16,000,000組典型數(shù)據(jù)
- 數(shù)據(jù)輸出:Mini-B型USB接口,RS232九針D型標(biāo)準(zhǔn)接口,采用38400波特率與打印機(jī)或PC通訊
- 供電系統(tǒng):內(nèi)置12V 7AH蓄電池,可持續(xù)工作至16小時(shí),智能充電器
- 尺寸:主機(jī)230×110×170mm,測(cè)量手柄300×80×75mm
- 重量:主機(jī)4.4Kg,測(cè)量手柄0.8Kg
- 操作環(huán)境:5到45℃
典型應(yīng)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
本研究對(duì)不同類型的抗草甘膦大豆進(jìn)行草甘膦處理,發(fā)現(xiàn)大豆的各項(xiàng)光合參數(shù),包括葉綠素含量、氣孔導(dǎo)度、光合速率和蒸騰速率都有所降低。
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
本研究設(shè)計(jì)了一個(gè)氣室裝置,用以研究常青櫟(Quercus ilex)在剪去部分葉片(模擬啃食)和加入甲醇(模擬附近其他植物被啃食時(shí)釋放的信號(hào))時(shí)的生理變化,發(fā)現(xiàn)兩種處理都提高了植物的凈光合速率。
產(chǎn)地:英國
參考文獻(xiàn)(近三年發(fā)表近200篇SCI文章,僅列出部分代表性文獻(xiàn))
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- Photosynthetic parameters of Ulmus minor plantlets affected by irradiance during acclimatization, Dias M C, et al. 2013, Biologia Plantarum, 57(1):33-40
- Frankincense tapping reduced photosynthetic carbon gain in Boswellia papyrifera (Burseraceae) trees, Mengistu T, et al. 2012, Forest Ecology and Management, 278, 1–8
- Impacts of leafroll-associated viruses (GLRaV-1 and -3) on the physiology of the Portuguese grapevine c*r ‘Touriga Nacional’ growing under field conditions, Moutinho-Pereira J, et al. 2012, 160(3), 237-249
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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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- 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