逆境模拟及植物生长监测系统PlantArray

逆境模拟及植物生长监测系统 PlantArray

逆境模拟及植物生长监测系统是一套高通量，以植物生理学为基础的高精度表型系统，可以完成整个植物生长周期中不同环境下的SPAC因子的测量。连续不间断的获取阵列内所有植物的监测数据，实时监控和及时调整每个培养容器中的土壤条件，包含土壤水分、盐分。

Israeli Center of Research Excellence facility in Rehovot

逆境模拟及植物生长监测系统的主要优点:

生理学特征的监测和数据高通量分析，如生长速率、蒸腾速率、水分利用率、气孔导度等特征；

连续控制不同的土壤和水分环境（如干旱、盐分或化学物质）；

理想的实验平台：

全自动；

均一检测；

适用于不同类型植物；

精确测量；

非破坏性；

实现随机分组实验设计；

3-4周的实验相当于4-6个月的人工工作；

操作简单，维护费用几可忽略；

灵活的设计能够满足任何温室中不同方面的科学研究需求。

实时统计分析-为了数据的可靠快速分析，提供多阶乘ANOVA或配对T检验；

实验目的-在实验运行中为了确保处理的效果可以获取优化的实验参数；

快速定量选择-提供植物对于不同环境需求生理反应的评级和评分的简况；

复杂实验通过简要图像呈现生理参数与环境条件的空间和时间关系，显示趋势、异常和比率。

逆境模拟及植物生长监测系统的应用领域:

非生物逆境胁迫研究，比如：干旱、淹水、营养、有毒物质等胁迫研究；

在农作物、蔬菜、树木、药用植物、燃料作物等方面的育种研究；

根系的土壤穿透力、水通量研究；

生物激素与养分研究；

生理生态学研究等。

测量参数:

逆境模拟及植物生长监测系统的技术参数:

l PIU单元含有3个数字通道、1个模拟通道、1个称重式蒸渗仪通道，所有的传感器可以同时连续工作；

l 德国高精度称重模块，最大测重量50kg（测量范围根据具体配置而定），测量精确度±0.02%称重量；

l 植物生长容器满足多种植物的生长需求，容积1.5-60L，具有防漏水、溅水设计；

l 可以根据植物生长时间或生长容器重量选择灌溉模式，灌溉系统采用以色列精准的滴灌系统控制，能够精确的控制浇水、施肥或施加生物激素的量；

l 土壤类、气象类传感器选择美国高精度传感器测量土壤含水量、温度、电导率，空气温湿度、PAR、气压等参数；

应用案例

生物刺激剂在充分灌溉和干旱条件下对甜椒的定量研究

代表文献：

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21 . Dalal, A. et al. Dynamic Physiological Phenotyping of Drought-stressed Pepper Plants Treated with'Productivity-Enhancing’and'Survivability-Enhancing’Biostimulants. Frontiers in Plant Science 10, 905 (2019).

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