Implanted sensor spots drought-tough tomatoes before harvest
Crop Improvement
If you've ever watched your tomato plants wilt in a summer dry spell while a neighbor's kept producing, this is the kind of tool that could help nurseries flag tougher varieties before they ever hit your garden center.
Researchers stuck a small electronic sensor called a Bioristor into tomato plant stems to continuously measure how water and nutrients move through the plant during drought. By watching these signals in real time, they could tell which tomato varieties handled dry conditions better, and even catch early warning signs of stress that regular observation would miss. This could help plant breeders pick drought-resistant tomato varieties much faster than traditional trial-and-error methods.
Key Findings
The Bioristor sensor successfully classified three commercial tomato varieties (Mariner, Faber, Red Setter) by drought tolerance based on continuous in vivo monitoring.
In a panel of tomato introgression lines, the sensor distinguished genotype-specific responses to both drought alone and combined drought-heat stress.
Sensor-derived indices revealed differences in the timing of water and ion transport changes, capturing stress onset, acclimation, and recovery patterns invisible to conventional phenotyping.
chevron_right Technical Summary
Scientists used a tiny implantable sensor called a Bioristor to track how tomato plants respond to drought in real time, making it faster and cheaper to spot which varieties can handle water stress before committing to years of breeding trials.
Abstract Preview
Original paper
In vivo monitoring of dynamic drought responses in tomato using Bioristor to support varietal selection
Extreme weather events, increasing water scarcity, and rising temperatures pose major challenges to agricultural sustainability and global food security. Developing crop varieties with enhanced str...
open_in_new Read full abstractAbstract copyright held by the original publisher.
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The tomato is a plant whose fruit is an edible berry that is eaten as a vegetable. The tomato is a member of the nightshade family that includes tobacco, potato, and chili peppers. It originated from western South America, and may have been domesticated there, in Mexico, or in Central America. Th...