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  FP-leaf葉夾式植物光譜與葉綠素?zé)晒鉁y(cè)量包用于測(cè)量葉片水平的植物葉綠素?zé)晒?、葉片反射光譜及光譜指數(shù)等，包括手持式葉綠素?zé)晒鉁y(cè)量?jī)x和植物反射光譜測(cè)量?jī)x。適于野外大量樣品的快速檢測(cè)，廣泛應(yīng)用于植物脅迫響應(yīng)、除草劑檢測(cè)，生態(tài)毒理生物檢測(cè)、植物反射光譜測(cè)量、色素組成變化、氮素含量變化、產(chǎn)量估測(cè)、生態(tài)學(xué)、分子生物學(xué)等。

 
     
  測(cè)得的數(shù)據(jù)以圖形或數(shù)據(jù)表的形式實(shí)時(shí)顯示在儀器的顯示屏上。這些數(shù)據(jù)都可以儲(chǔ)存在儀器的內(nèi)存里并傳輸?shù)诫娔X里。測(cè)量?jī)x由可充電鋰電池供電，不需要使用電腦即可獨(dú)立進(jìn)行測(cè)量。測(cè)量?jī)x配備全彩色觸屏顯示器、內(nèi)置光源、內(nèi)置GPS和用于固定樣品的無(wú)損葉夾。

應(yīng)用領(lǐng)域：
  適用于光合作用研究和教學(xué)，植物及分子生物學(xué)研究，農(nóng)業(yè)、林業(yè)，生物技術(shù)領(lǐng)域等。研究?jī)?nèi)容涉及光合活性、脅迫響應(yīng)、農(nóng)藥藥效測(cè)試、突變篩選、色素含量評(píng)估等。
  1.植物光合特性研究
  2.光合突變體篩選與表型研究
  3.生物和非生物脅迫的檢測(cè)
  4.植物抗脅迫能力或者易感性研究
  5.農(nóng)業(yè)和林業(yè)育種、病害檢測(cè)、長(zhǎng)勢(shì)與產(chǎn)量評(píng)估
  6.除草劑檢測(cè)
  7.色素組成變化
  8.氮素含量變化
  9.產(chǎn)量估測(cè)
  10.教學(xué)

 

功能特點(diǎn) ：

• 結(jié)構(gòu)緊湊、便攜性強(qiáng)，光源、檢測(cè)器、控制單元集成于僅手機(jī)大小的儀器內(nèi)
• 功能強(qiáng)大，具備了大型葉綠素?zé)晒鈨x和反射光譜儀的所有功能，可以測(cè)量所有葉綠素?zé)晒鈪?shù)和自動(dòng)計(jì)算常用的植物反射光譜指數(shù)，同時(shí)提供熒光動(dòng)力學(xué)曲線圖和高精度反射光譜圖
• 葉綠素?zé)晒鈾z測(cè)內(nèi)置了所有通用實(shí)驗(yàn)程序，包括3套熒光淬滅分析程序、3套光響應(yīng)曲線程序、OJIP快速熒光動(dòng)力學(xué)曲線等
• 葉綠素?zé)晒鈾z測(cè)具備高時(shí)間分辨率，可達(dá)10萬(wàn)次每秒，自動(dòng)繪出OJIP曲線并給出26個(gè)OJIP–test參數(shù)
• 專業(yè)軟件功能強(qiáng)大：葉綠素?zé)晒夥治鲕浖上螺d、展示葉綠素?zé)晒鈪?shù)圖表，也可以通過(guò)軟件直接控制儀器進(jìn)行測(cè)量；植物光譜分析軟件可以自動(dòng)計(jì)算內(nèi)置植被指數(shù)、計(jì)算用戶自定義植被指數(shù)、實(shí)時(shí)顯示數(shù)據(jù)圖和數(shù)據(jù)表
• 葉綠素?zé)晒鈾z測(cè)具備無(wú)人值守自動(dòng)監(jiān)測(cè)功能
• 具備GPS模塊，輸出帶時(shí)間戳和地理位置的葉綠素?zé)晒鈪?shù)圖表和反射光譜數(shù)據(jù)

 
 
 
 
應(yīng)用案例 1：
 
  歐盟委員會(huì)聯(lián)合研究中心通過(guò)無(wú)人機(jī)遙測(cè)技術(shù)研究葉緣焦枯病菌在橄欖樹中的感染。同時(shí)通過(guò)FluorPen葉綠素?zé)晒鈨x和RP400光譜儀直接檢測(cè)葉片的葉綠素?zé)晒夂头瓷涔庾V植被指數(shù)，用于對(duì)照修正無(wú)人機(jī)遙測(cè)數(shù)據(jù)。研究結(jié)果發(fā)表在《Nature Plants》（Zarco-Tejada，2018）。
 
應(yīng)用案例 2：
  水稻灌漿期的夜間高溫會(huì)顯著影響水稻的產(chǎn)量。捷克科學(xué)院研究中心與水稻研究所合作研究夜間高溫對(duì)成熟水稻穗光學(xué)特性的變化追蹤。研究者使用FluorPen手持式葉綠素?zé)晒鈨x測(cè)量了光合系統(tǒng)有效光化學(xué)效率ΦII（也稱為有效量子產(chǎn)額QY或ΦPSII）和穩(wěn)態(tài)熒光Fs。同時(shí)使用PolyPen手持式植物反射光譜測(cè)量?jī)x的前期型號(hào)WinePen測(cè)量了反射光譜曲線，并計(jì)算了PRI、mSR705、mND705、R470/R570、R520/R675等9項(xiàng)植被指數(shù)。這些植被指數(shù)與水稻葉片/穗的光合能力、穩(wěn)態(tài)熒光、葉綠素濃度等緊密相關(guān)（Gil-Ortiz R et al. 2020）。
 

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