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可實(shí)現(xiàn)植物光合速率、生理指標(biāo)和環(huán)境因子的同步連續(xù)監(jiān)測(cè)
PTM-48A是一臺(tái)光合儀,,但它不是一臺(tái)普通的光合儀,。它專為長(zhǎng)期連續(xù)監(jiān)測(cè)而設(shè)計(jì),監(jiān)測(cè)時(shí)間可長(zhǎng)達(dá)數(shù)周。特殊的自動(dòng)開(kāi)合式葉室,,可將葉室關(guān)閉對(duì)葉片生長(zhǎng)的影響降到*低,。4個(gè)葉室通道的設(shè)計(jì),使研究者可同時(shí)監(jiān)測(cè)多個(gè)植株或葉片,。
PTM-48A是一臺(tái)光合儀,,但它不僅僅是一臺(tái)光合儀。它還是一臺(tái)多通道植物生理及環(huán)境監(jiān)測(cè)系統(tǒng),。它可以連接多達(dá)8個(gè)傳感器通道,,實(shí)現(xiàn)對(duì)環(huán)境因子(PAR、空氣溫濕度,、土壤溫濕度等)和植物生理指標(biāo)(葉片溫度,、莖流速率、莖桿微變化,、果實(shí)生長(zhǎng)量等)的同步監(jiān)測(cè),。
主要功能
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PAR等多項(xiàng)環(huán)境和生理指標(biāo)
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在亞洲的韓國(guó)和日本,,用戶利用該系統(tǒng)進(jìn)行生長(zhǎng)箱中作物的長(zhǎng)期監(jiān)測(cè),。
測(cè)量參數(shù)
光合氣體交換測(cè)量值:CO2同化速率、蒸騰速率,、氣孔導(dǎo)度,、參比和葉室CO2濃度,、參比和葉室H2O濃度、葉室空氣流量,、水汽壓飽和虧,、大氣壓等
外接傳感器測(cè)量值:植物莖流量、莖桿微變化,、樹(shù)干直徑生長(zhǎng)量,、果實(shí)生長(zhǎng)量、葉面溫度,、PAR,、空氣溫濕度、土壤溫濕度等
主要技術(shù)參數(shù)
可附加:土壤溫度,、含水量和電導(dǎo)率3 in 1傳感器。
應(yīng)用舉例:
下圖是棉花葉片一天的監(jiān)測(cè)結(jié)果,,這只是一部分傳感器的數(shù)值對(duì)照,,該系統(tǒng)可以得到多個(gè)傳感器數(shù)值對(duì)照?qǐng)D形,使試驗(yàn)結(jié)果更清晰的表現(xiàn)在圖上,,這樣對(duì)于研究環(huán)境因子變化對(duì)植物生理影響更加方便,。
PTM-48A可選傳感器探頭 | |||
探頭型號(hào) | 測(cè)量范圍 | 備注 | |
SD-5P 莖桿微變化探頭 | 0 to 5000 μm | 用于5-25毫米直徑莖桿 | |
SD-6P 樹(shù)干微變化探頭 | 0 to 5000 μm | 用于2-7厘米直徑樹(shù)干 | |
DE-1P 樹(shù)干直徑生長(zhǎng)探頭 | 0 to10 mm | 安裝在主桿上 | |
FI-LP 果實(shí)生長(zhǎng)探頭 | 30 to 160 mm | 圓型果實(shí)適用 | |
FI-MP果實(shí)生長(zhǎng)探頭 | 15 to 90 mm | 圓型果實(shí)適用 | |
FI-SP 果實(shí)生長(zhǎng)探頭 | 7 to 45 mm | 圓型果實(shí)適用 | |
FI-XSP果實(shí)生長(zhǎng)探頭 | 0 to 10 mm | 圓型果實(shí)適用 | |
LT-1P 葉片溫度探頭 r | 0 to50 ˚C | 珠形熱電偶探頭 | |
LT-LC 葉片溫度探頭 | 0 to50 ˚C | 珠形熱電偶探頭 | |
LT-IRP紅外葉溫探頭 | 0 to 50 ˚C | 5.5 to 20 µm; 發(fā)射率: 0.9 | |
SF-4P 植物莖流探頭 r | Approx. 3 ml/h max. * | 1 to 5 mm 直徑適用 | |
SF-5P植物莖流探頭 | Approx. 3 ml/h max.* | 4 to 8 mm 直徑適用. | |
SA-20P莖桿生長(zhǎng)計(jì) | 0 to 2000 mm | 10位分辨率(≅2mm) | |
TIR-4P 總輻射探頭 | 0 to 1200 W/m2 | 光譜范圍300-1100nm | |
PIR-1P光量子探頭 | 0 to 2500 µmol/m2s | 光譜范圍400-700nm | |
SMS-5P 土壤水分探頭 | 0 to 100 vol. % | / | |
LWS-02P葉片濕度探頭 | 模擬信號(hào),表面水分比例 | 濕度閾值略高于干燥信號(hào) | |
ST-21P土壤溫度探頭 | 0 to 50 ˚C | 探針長(zhǎng)90 mm | |
ATH-2 空氣溫濕度探頭 | 0 to 50 °C; 0 to100%RH | / | |
RTH-48 空氣溫濕度,、光合有效輻射和葉面濕度傳感器 | 溫度:0-50℃ 相對(duì)濕度:0-100%RH 光合有效輻射:0-2000µmol/m2s | 多合一數(shù)字傳感器 | |
*每個(gè)傳感器均自帶4米電纜 |
產(chǎn)地:以色列BF-Agritech
參考文獻(xiàn)
Ben-Asher J. 2006 Net CO2 Uptake Rates for Wheat Under Saline Field Conditions: a Novel Method forAnalyzing Temperature Effects on Irrigation Management.,, The annual meeting of the Amer. Soc. Agron.Indianapolis November 2006 p. 229-4
Ben-Asher J., P.S. Nobel,, E.Yossov and Y. Mizrahi 2006 Net CO2 uptake rates for Hylocereus undatus andSelenicereus megalanthus under field conditions: Drought influence and a novel method for analyzingtemperature dependence. Photosynthetica 44:181-186
Ben –Asher. J. A. Garcia S. Thain and G. Hoogenboom2007 Effect of temperature on Photosynthesis andtranspiration of corn in a growth chamber. The annual meeting of the Amer. Soc. Agron. New OrleansNovember 2007. P.321-2
Evrendilek F.,, J Ben-Asher, Mehmet Aydin and Ismail Celik 2004 Spatial and temporal variations in diurnalCO2 fluxes of different Mediterranean ecosystems in Turkey Proceeding of the RIHN Kyoto Japan 2004
Jiftah Ben-AsheLucas Menzel Pinhas Alpert Fatih Evrendilek and Mehmet Aydin 2004 Climate change inthe eastern Mediterranean and agriculture ICCAP annual meeting Cappadocya presentation. Turkey Fatih Evrendilek,, Jiftah Ben-Asher,, Mehmet Aydin and Ismail Celik 2 0 0 5
Spatial and temporal variations in diurnal CO2 fluxes of different
Mediterranean ecosystems in Turkey J . E n v i r o n . M o n i t . , ,, 7 ,, 151–157
Tomohisa YANO1, Mehmet AYDIN2,, Hiroshi NAKAGAWA3,, Mustafa ÜNLÜ4,, Tohru KOBATA5,Celaleddin BARUTÇULAR4,,Tomokazu HARAGUCHI6,, Müjde KOÇ4,Masumi KORIYAMA6,, FatihEVRENDİLEK2,, Jiftah BEN-ASHER7, D. Levent KOÇ4,, Kenji TANAKA8,, Rıza KANBER4 2007 Implicationsof Future Climate Change for Crop Productivity in Seyhan River Basin. Joint Reprot ICCAP RIHN KyotoJapan
Jiftah Ben –Ashera* Axel Garcia y Garciab and Gerrit Hoogenboomb 2008 Effect of High Temperature onPhotosynthesis and Transpiration of Sweet Corn (Zea mays L. var. rugosa). Photosynthetica Submitted
J. Ben-Ashera , Y. Mizrahia and P.S. Nobelb 2008Transpiration,, stem conductance,, andCO2 exchange ofHylocereus undatus (a pitahaya) Acta Hort, ISHS (in press)
J. BEN-ASHER 2005 Net CO2 uptake rates for wheat (Triticum aestivum L.)under Cukurova field conditions:Salinity influence and a novel method for analyzing effect of global warming on agricultural productivity. Areport submitted to the ICCAP project. RIHN Kyoto Japan p.201-204
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