移動(dòng)式葉綠素?zé)晒獬上裣到y(tǒng)PlantExplorer^XS是由慧諾瑞德和荷蘭PhenoVation公司聯(lián)合推出的專門針對(duì)大田、溫室、氣候室和實(shí)驗(yàn)室場(chǎng)景的可以移動(dòng)的葉綠素?zé)晒鉁y(cè)量系統(tǒng)。配備移動(dòng)式升降平臺(tái)車、內(nèi)置電腦的葉綠素?zé)晒獬上駟卧?、移?dòng)電源、顯示單元和操作單元。葉綠素?zé)晒獬上駟卧梢陨岛托D(zhuǎn)，既可以測(cè)量不同高度的植物冠層，也可以傾斜或水平角度測(cè)量穗（麥穗、稻穗、谷穗等）、莢果（大豆、油菜等）、果實(shí)（番茄、黃瓜、葡萄、柑橘等）、葉片或冠層。

該系統(tǒng)成像面積為18x18cm，具備500萬(wàn)像素高清成像，同時(shí)具備“調(diào)制”和“非調(diào)制”葉綠素?zé)晒獬上駵y(cè)量功能，既可以測(cè)量光合生理，也可以測(cè)量形態(tài)結(jié)構(gòu)，同時(shí)配備功能強(qiáng)大的控制和分析軟件，且可以對(duì)大量數(shù)據(jù)進(jìn)行批處理分析。該系統(tǒng)，無(wú)論室內(nèi)還是大田，都是進(jìn)行植物表型、光合生理、植物抗逆、植物病理、育種、功能基因組、突變株篩選、種子生理/病理等研究的利器。
 

功能特性

• 大田、溫室、氣候室、實(shí)驗(yàn)室進(jìn)行移動(dòng)式測(cè)量
• 葉綠素?zé)晒獬上駟卧梢陨?、旋轉(zhuǎn)
• 葉綠素?zé)晒獬上窈捅硇头治鐾綔y(cè)量
• 同時(shí)具備調(diào)制和非調(diào)制葉綠素?zé)晒鉁y(cè)量功能
• 出色的高清相機(jī)(500萬(wàn)像素)、高信噪比成像
• 16位圖像格式，的成像質(zhì)量
• 光源、相機(jī)、濾光片、電腦一體化設(shè)計(jì)
• 無(wú)可見(jiàn)鏡頭畸變，無(wú)需圖像校正
• 成像范圍18 x 18cm
• 多種測(cè)量protocol可選，允許用戶編輯設(shè)定自己的protocol，包括但不限于Fv/Fm測(cè)量、標(biāo)準(zhǔn)誘導(dǎo)曲線測(cè)量、暗弛豫測(cè)量、OJIP快速誘導(dǎo)動(dòng)力學(xué)測(cè)量等等。
• 可進(jìn)行功能強(qiáng)大的延時(shí)成像測(cè)量
• 自動(dòng)計(jì)算熒光參數(shù)和表型參數(shù)
• 具備圖像數(shù)據(jù)批處理分析功能
• 提供多種功能強(qiáng)大的圖像分割功能
• 對(duì)所有圖像數(shù)據(jù)均提供數(shù)據(jù)分級(jí)(用戶自定義范圍)并進(jìn)行圖像化顯示，并允許對(duì)分級(jí)篩選后的數(shù)據(jù)疊加到可見(jiàn)光圖像上展示
• 圖像背景、偽彩色標(biāo)尺均有多種選擇
• 允許用戶自定義多種ROI(性狀、數(shù)目、分布等)并對(duì)ROI的數(shù)據(jù)自動(dòng)分析
• 嵌入式電腦進(jìn)行精確的成像、時(shí)間控制、光強(qiáng)控制和數(shù)據(jù)存儲(chǔ)
• 功能強(qiáng)大的控制和分析軟件
• 特別適合突變株篩選、育種材料/組合篩選、抗逆研究、病理研究、種子研究、果實(shí)研究、功能基因組學(xué)等

主要技術(shù)參數(shù)

• 基本組成：移動(dòng)式升降平臺(tái)、葉綠素?zé)晒獬上駟卧?、移?dòng)電源、顯示單元、操作單元等
• 葉綠素?zé)晒獬上穹绞剑?ldquo;調(diào)制”測(cè)量 +“費(fèi)調(diào)制”測(cè)量
• 調(diào)制測(cè)量光：藍(lán)色LED， 450nm，半峰全寬20nm，光強(qiáng)4000 umol m^-2 s^-1 ，獨(dú)立觸發(fā)
• Kautsky測(cè)量光：藍(lán)色LED， 450nm，半峰全寬20nm，光強(qiáng)4000 umol m^-2 s^-1
• 飽和脈沖：藍(lán)色LED， 450nm，半峰全寬20nm，光強(qiáng)4000 umol m^-2 s^-1，獨(dú)立觸發(fā)
• 時(shí)間分辨動(dòng)力學(xué)光化光：紅光LED，660nm，光強(qiáng)800 umol m^-2 s^-1
• 遠(yuǎn)紅光：LED，735nm，半峰全寬20nm，35W
• 相機(jī)：CMOS傳感器，500萬(wàn)像素
• 顏色深度：12bit
• 標(biāo)準(zhǔn)幀率：37.5 FPS
• 圖像格式：16bit
• 相機(jī)光譜范圍：400～1000 nm
• 接口：3個(gè)USB3.0，1個(gè)以太網(wǎng)口，1個(gè)HDMI接口
• 嵌入式電腦：4核處理器，8G內(nèi)存，256G固態(tài)硬盤(pán)
• 成像面積：18cm x 18cm
• 升降高度：0-1200mm（高度可定制）
• 旋轉(zhuǎn)角度：-90° ~ 90°
• 顯示單元：15.6寸觸摸顯示屏
• 供電：35萬(wàn)mAh移動(dòng)電源，額定容量1260Wh，峰值功耗1000W，待機(jī)功耗35W
• 系統(tǒng)尺寸：600mm x 720mm x 2000mm(長(zhǎng)x寬x高）

測(cè)量參數(shù)

• 調(diào)制葉綠素?zé)晒鈪?shù)：Fo、Fm、Fv/Fm、dFq/Fm=DF/Fm、Fs’、Fm’、Fo’、Fq’/Fm’=Fv’/Fm’、rETR、NPQ、Y(NO)、Y(NPQ)、qN、qP、qL、1-qP和1-qL等;
• 非調(diào)制葉綠素?zé)晒鈪?shù)：Fo、Fi、Fm、1-Fi/Fm、IC-Area、IC-Area/Fv、PI、Rfd、dRfd、RfdFm和RfdFt等;
• 表型參數(shù)：(植物、種子、果實(shí)的)數(shù)目、輪廓面積、長(zhǎng)度、寬度、凸包點(diǎn)數(shù)、凸包面積、凸包面積/輪廓面積、最小外接圓(質(zhì)心、半徑、面積)、最小外接矩形(長(zhǎng)、寬、面積、角度、alpha)和骨架等。

利用PhenoVation葉綠素?zé)晒獬上窦夹g(shù)發(fā)表的部分文獻(xiàn)

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