Low-cost microsensors sniff out greenhouse pests

"Our growers are eager to use and integrate more data into their decision-making, but traditional sensors have often been a struggle - they can be high cost and greenhouses are not always the best environments for electronics," explains OGVG Innovation, Adaptation & Plant Protection Lead Niki Bennett.

The solution could lie with low-cost, disposable micro sensors. Enter Dr. Arezoo Emadi, electrical and computer engineering professor at the University of Windsor and a pioneer in the development of high-performance sensor technology and electronic nose systems.

Emadi's system senses volatile chemicals in the air to detect the presence of different pests and plant stressors long before they're visible to the human eye. Traditional crop scouting relies on people in the greenhouse to visually monitor plants; even more automated systems currently available for greenhouses rely on vision technology, making Emadi's electronic nose approach extremely innovative.

"Typically, growers have about two humidity, temperature and light sensors per greenhouse acre; Dr. Emadi is proposing hundreds of sensors per acre, which would make a real difference in the quality and quantity of data growers can collect," Bennett says. "By improving the accuracy of crop scouting and reducing the labour needed, this could really help automate whole-greenhouse pest management and let growers be proactive instead of reactive to problems."

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Source: Greenhouse Canada