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Seed biomechanical monitoring: A new method to test maize (Zea mays) seed vigour

机译：种子生物力学监测：一种测试玉米（​​Zea mays）种子活力的新方法

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摘要

To explore the applications of biomechanical sensing techniques in seed science research, we developed a monitoring system based on the force (FPC) that maize coleoptiles push a solid matrix and emerge. The working principle and operation process of the system are introduced in this paper. Eight Zhengdan958 maize seed samples were used to determine the feasibility of FPC monitoring as a seed test. Results such as field seedling emergence showed that seed vigour differed among the samples. The seed biomechanical test also showed that the number of seed germination signals per unit time (NSS) and the average of maximum FPC per unit time (AMF) differed among the samples. To facilitate comparative analysis, we divided the FPC measuring range of the sensor (0-980 mN) into ten force grades. Correlation and regression analysis further showed that AMF and NSS of the force range of 392 to 490 mN (NSS-FR5) exhibited extremely significant positive correlation, close to the mean field seedling emergence (MFSE). Moreover, the seed quality pattern of the eight samples assessed through the seed biomechanical test was similar to that obtained through meta-analysis with other seed test methods. Hence, the proposed method is cogent and effective. This work provides a solid theoretical and technical basis for applications of seed biomechanical testing in seed research.
机译：为了探索生物力学传感技术在种子科学研究中的应用，我们开发了一种基于力（FPC）的监测系统，该系统可将玉米胚芽鞘推动固体基质并出现。介绍了该系统的工作原理和运行过程。使用八份正丹958玉米种子样品来确定FPC监测作为种子测试的可行性。田间出苗等结果表明样品之间的种子活力不同。种子生物力学测试还显示，样品中每单位时间的种子萌发信号数（NSS）和每单位时间最大FPC平均值（AMF）均不同。为了便于进行比较分析，我们将传感器的FPC测量范围（0-980 mN）分为十个力等级。相关和回归分析进一步表明，力范围为392至490 mN的AMF和NSS（NSS-FR5）表现出极显着的正相关，接近平均田间出苗（MFSE）。此外，通过种子生物力学测试评估的八个样品的种子质量模式与通过其他种子测试方法的荟萃分析获得的模式相似。因此，所提出的方法是切实有效的。这项工作为种子生物力学测试在种子研究中的应用提供了坚实的理论和技术基础。

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