Istituto dei materiali per l'elettronica e il magnetismo (IMEM-CNR) Parco Area delle Scienze 37/A, 43124 Parma, Italy.
Istituto di Bioscienze e Biorisorse (IBBR-CNR) Via Amendola 165/A, 70126 Bari, Italy.
Sensors (Basel). 2019 Oct 28;19(21):4667. doi: 10.3390/s19214667.
Environment, biodiversity and ecosystem services are essential to ensure food security and nutrition. Managing natural resources and mainstreaming biodiversity across agriculture sectors are keys towards a sustainable agriculture focused on resource efficiency. Vapour Pressure Deficit (VPD) is considered the main driving force of water movements in the plant vascular system, however the tools available to monitor this parameter are usually based on environmental monitoring. The driving motif of this paper is the development of an in-vivo sensor to monitor the effects of VPD changes in the plant. We have used an in vivo sensor, termed "bioristor", to continuously monitor the changes occurring in the sap ion's status when plants experience different VPD conditions and we observed a specific R (sensor response) trend in response to VPD. The possibility to directly monitor the physiological changes occurring in the plant in different VPD conditions, can be used to increase efficiency of the water management in controlled conditions thus achieving a more sustainable use of natural resources.
环境、生物多样性和生态系统服务对于确保粮食安全和营养至关重要。管理自然资源并将生物多样性纳入农业各部门的主流，是实现以资源效率为重点的可持续农业的关键。蒸气压亏缺（VPD）被认为是植物维管束系统中水分运动的主要驱动力，然而，可用的监测这一参数的工具通常基于环境监测。本文的驱动力是开发一种体内传感器来监测植物中 VPD 变化的影响。我们使用了一种称为“生物电阻计”的体内传感器来连续监测植物在不同 VPD 条件下汁液离子状态变化时发生的变化，并且观察到对 VPD 的特定 R（传感器响应）趋势。能够直接监测植物在不同 VPD 条件下发生的生理变化，可以用于提高控制条件下的水管理效率，从而更可持续地利用自然资源。
