Sensors track stress in plants in real time—without hurting them in the process
Even plants, from towering palm trees to vegetables such as onions and eggplants, can get stressed. Now, a team of engineers has designed a new kind of sensor that attaches directly to plants and peers inside them to track how they respond to stressors such as drought and fires in real time.
该硬币大小石墨烯传感器通过0.4毫米微针无损抽取叶内液体测过氧化氢,在芦荟上验证强光与高温下胁迫信号约1小时内回落,目前仅限温室少数物种,离田间应用尚远。