Wearable Sensors to Measure Water Use in PlantsJanuary 17, 2018
"With a tool like this, we can begin to breed plants that are more efficient in using water," said plant scientist Patrick Schnable. "That's exciting. We couldn't do this before. But, once we can measure something, we can begin to understand it."
The tool, which is now known as "plant tattoo sensor", is making these water measurements possible, as the tiny graphene sensor can be taped on to plants. According to the lead researcher Liang Dong, the sensors are made with graphene oxide, a material that is highly sensitive to water vapor. The presence of water vapor modifies the conductivity of the material, which is quantified to accurately measure the release of water vapor from a leaf.
The plant sensors have been successfully tested in lab and pilot field experiments.
Read the original news article from Iowa State University.
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