用途:BTC-100X根系生長動態(tài)監(jiān)測系統(tǒng)是利用微根管(Minirhizotron,又稱微根窗)技術(shù)用于非破壞性監(jiān)測分析根系動態(tài)的儀器技術(shù),它是一種非破壞性、定點直接觀察和研究植物根系的方法,其優(yōu)點是在不干擾細根生長過程的前提下,能連續(xù)監(jiān)測單個細根從出生到死亡的變化過程,也能記錄細根乃至根毛和菌根的生長、生產(chǎn)和物候等特征,是估計生態(tài)系統(tǒng)地下C分配和N平衡研究的有效方法,結(jié)合所提供根系分析軟件,能夠?qū)⒏迪嚓P數(shù)據(jù)定量化,包括根的長度、面積、根尖數(shù)量、直徑分布格局、死亡根及存活根數(shù)量等等。還可以根據(jù)用戶需求監(jiān)測土壤水分狀況,從而研究根系所在區(qū)域內(nèi)溶質(zhì)運移及水分脅迫所引起的生理變化,廣泛運用于苗木培養(yǎng)、作物生長模型研究、根系病理分析、昆蟲行為生態(tài)等領域。
工作原理:BTC-100X根系生長動態(tài)監(jiān)測系統(tǒng)利用微根管技術(shù),整套系統(tǒng)由成像頭、控制模塊、手柄、光源、微根管等部件組成。將成像頭伸入埋設在根系周圍的微根管內(nèi),通過控制模塊進行根系圖像抓取成像,然后使用預裝在電腦上的專業(yè)根系分析軟件系統(tǒng)對混合圖像進行分析,從而跟蹤了解其生長過程。
基本組成 控制模塊
手柄 帶光源的成像頭
分析軟件
技術(shù)參數(shù):
監(jiān)測分析參數(shù) | 細根長、細根直徑、細根面積、細根總長、細根總面積、細根平均直徑、細根數(shù)量及生物量、細根壽命、細根周轉(zhuǎn)率等,其100倍高倍放大功能,可用于監(jiān)測分析根毛及菌根生理生態(tài)和動態(tài)。 |
成像頭 | NTSC制式彩色成像頭(可選PAL制式),防水性能設計,高分辨率,帶白光光源。每個視頻幀看到管壁的面積為長12.5毫米×寬18毫米。 |
放大功能 | 100倍 |
光源 | 標準白光光源,可選紫外光源,以幫助識別活的細根或新萌發(fā)的根,或?qū)晒鈽擞涍M行識別成像。 |
控制模塊功能 | 控制系統(tǒng)含電源開關,控制成像頭的光學放大縮小開關,紫外光源的開關,成像焦距的微調(diào)開關。 |
手柄 | 1.2~2.2米伸縮式手柄 |
供電 | 12V可充電電池,可連續(xù)工作約8小時。 |
連接電纜長度 | 4.8米 |
微根管尺寸 | 直徑51毫米×長度1.8米,可定制其他長度觀測管。 |
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