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(xué)為基礎(chǔ)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(nèi)所有植物的監(jiān)測數(shù)據(jù)，實(shí)時監(jiān)控和及時調(diào)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(diǎn):
生理學(xué)特征的監(jiān)測和數(shù)據(jù)高通量分析，如生長速率、蒸騰速率、水分利用率、氣孔導(dǎo)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(xué)物質(zhì)）；
理想的實(shí)驗(yàn)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(shí)現(xiàn)隨機(jī)分組實(shí)驗(yàn)設(shè)計(jì)；
3-4周的實(shí)驗(yàn)相當(dāng)于4-6個月的人工工作；
操作簡單，維護(hù)費(fèi)用幾可忽略；
靈活的設(shè)計(jì)能夠滿足任何溫室中不同方面的科學(xué)研究需求。
實(shí)時統(tǒng)計(jì)分析-為了數(shù)據(jù)的可靠快速分析，提供多階乘ANOVA或配對T檢驗(yàn)；
實(shí)驗(yàn)?zāi)康?在實(shí)驗(yàn)運(yùn)行中為了確保處理的效果可以獲取優(yōu)化的實(shí)驗(yàn)參數(shù)；
快速定量選擇-提供植物對于不同環(huán)境需求生理反應(yīng)的評級和評分的簡況；
復(fù)雜實(shí)驗(yàn)通過簡要圖像呈現(xiàn)生理參數(shù)與環(huán)境條件的空間和時間關(guān)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(yīng)用領(lǐng)域:
非生物逆境脅迫研究，比如：干旱、淹水、營養(yǎng)、有毒物質(zhì)等脅迫研究；
在農(nóng)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(xué)研究等。
測量參數(shù):
直接測量參數(shù)： | ||
重量 | 空氣濕度 | 空氣溫度 |
輻射（PAR） | 氣壓 | 土壤水分 |
土壤電導(dǎo)率 | 土壤溫度 | 日蒸騰 |
計(jì)算參數(shù)： | ||
植物生物量增益 | 日蒸騰 | 水分利用效率 |
氣孔導(dǎo)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(shù)參數(shù):
l PIU單元含有3個數(shù)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，測重量50kg（測量范圍根據(jù)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(shè)計(jì)；
l 可以根據(jù)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(zhǔn)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(dǎo)率，空氣溫濕度、PAR、氣壓等參數(shù)；
應(yīng)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(xiàn)：
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以色列 Plant-Ditech
