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装上这款传感器，手机可检测作物病虫害，试纸只需几美分
source link: https://news.cnblogs.com/n/628966/
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植物病原体检测大都依赖复杂耗时的分子技术，且这些技术有很高的门槛限制。来自北卡罗来纳州立大学化学与生物分子工程系的助理教授魏青山开发了一款应用于智能手机的传感器，可以检测微生物侵染番茄植株。该系统经济高效，可以识别患病叶片的挥发性有机物，有望及时发现病菌，来对抗具有破坏性的作物病害。7月29
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