逆境模擬及植物生長監(jiān)測系統(tǒng) PlantArray
逆境模擬及植物生長監(jiān)測系統(tǒng)是一套高通量，以植物生理學為基礎的高精度表型系統(tǒng)，可以完成整個植物生長周期中不同環(huán)境下的SPAC因子的測量。連續(xù)不間斷的獲取陣列內所有植物的監(jiān)測數據，實時監(jiān)控和及時調整每個培養(yǎng)容器中的土壤條件，包含土壤水分、鹽分。
Israeli Center of Research Excellence facility in Rehovot
逆境模擬及植物生長監(jiān)測系統(tǒng)的主要優(yōu)點:
生理學特征的監(jiān)測和數據高通量分析，如生長速率、蒸騰速率、水分利用率、氣孔導度等特征；
連續(xù)控制不同的土壤和水分環(huán)境（如干旱、鹽分或化學物質）；
理想的實驗平臺：
全自動；
均一檢測；
適用于不同類型植物；
精確測量；
非破壞性；
實現隨機分組實驗設計；
3-4周的實驗相當于4-6個月的人工工作；
操作簡單，維護費用幾可忽略；
靈活的設計能夠滿足任何溫室中不同方面的科學研究需求。
實時統(tǒng)計分析-為了數據的可靠快速分析，提供多階乘ANOVA或配對T檢驗；
實驗目的-在實驗運行中為了確保處理的效果可以獲取優(yōu)化的實驗參數；
快速定量選擇-提供植物對于不同環(huán)境需求生理反應的評級和評分的簡況；
復雜實驗通過簡要圖像呈現生理參數與環(huán)境條件的空間和時間關系，顯示趨勢、異常和比率。
逆境模擬及植物生長監(jiān)測系統(tǒng)的應用領域:
非生物逆境脅迫研究，比如：干旱、淹水、營養(yǎng)、有毒物質等脅迫研究；
在農作物、蔬菜、樹木、藥用植物、燃料作物等方面的育種研究；
根系的土壤穿透力、水通量研究；
生物激素與養(yǎng)分研究；
生理生態(tài)學研究等。
測量參數:
直接測量參數： | ||
重量 | 空氣濕度 | 空氣溫度 |
輻射（PAR） | 氣壓 | 土壤水分 |
土壤電導率 | 土壤溫度 | 日蒸騰 |
計算參數： | ||
植物生物量增益 | 日蒸騰 | 水分利用效率 |
氣孔導度 | 抗脅迫因子 | 水分相對含量 |
根穿透力 | 根系水通量 | VPD |
逆境模擬及植物生長監(jiān)測系統(tǒng)的技術參數:
l PIU單元含有3個數字通道、1個模擬通道、1個稱重式蒸滲儀通道，所有的傳感器可以同時連續(xù)工作；
l 德國高精度稱重模塊，最大測重量50kg（測量范圍根據具體配置而定），測量精確度±0.02%稱重量；
l 植物生長容器滿足多種植物的生長需求，容積1.5-60L，具有防漏水、濺水設計；
l 可以根據植物生長時間或生長容器重量選擇灌溉模式，灌溉系統(tǒng)采用以色列精準的滴灌系統(tǒng)控制，能夠精確的控制澆水、施肥或施加生物激素的量；
l 土壤類、氣象類傳感器選擇美國高精度傳感器測量土壤含水量、溫度、電導率，空氣溫濕度、PAR、氣壓等參數；
應用案例
生物刺激劑在充分灌溉和干旱條件下對甜椒的定量研究
代表文獻：
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以色列 Plant-Ditech
