Assessing the Vitality Status of Plants: Using the Correlation between Stem Water Content and External Environmental Stress

Tian, Hao; Zhao, Yandong; Gao, Chao; Xie, Tao; Zheng, Tong; Yu, Chongchong

doi:10.3390/f13081198

Cited by 4 publications

(1 citation statement)

References 60 publications

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“…This study provides a theoretical basis for assessing embolism and plant cold resistance induced by cold stress, as well as a cost-effective tool for monitoring the freeze-thaw information of over wintering plants in the field. The method proposed in this paper can also be combined with plant assessment parameters [ 46 , 47 , 48 ] to study the prediction problem under time-series conditions [ 49 , 50 , 51 ] by coupled multiparameter characterization and parameter estimation algorithms [ 52 , 53 ] and applied to other engineering application systems [ 54 , 55 , 56 ]. For fast-growing plants, it is necessary to study dynamically adjustable measurement probes and complementary diameter-based methods.…”

Section: Discussionmentioning

confidence: 99%

Miniature Noninvasive Sensor Based on Impedance-Change Detection in Branches for Measuring Branch Ice Content in Overwintering Woody Plants

et al. 2023

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Advancements in detection instruments have enabled the real-time acquisition of water information during plant growth; however, the real-time monitoring of freeze–thaw information during plant overwintering remains a challenge. Based on the relationship between the change in the water–ice ratio and branch impedance during freezing, a miniature noninvasive branch volume ice content (BVIC) sensor was developed for monitoring real-time changes in volumetric ice content and the ice freeze-thaw rate of woody plant branches during the overwintering period. The results of the performance analysis of the impedance measurement circuit show that the circuit has a lateral sensitivity range, measurement range, resolution, measurement accuracy, and power consumption of 0–35 mm, 0–100%, 0.05%, ±1.76%, and 0.25 W, respectively. The dynamic response time was 0.296 s. The maximum allowable error by the output voltage fluctuation, owing to the ambient temperature and humidity, was only ±0.635%, which meets the actual use requirements. The calibration curve fit coefficients were >0.98, indicating a significant correlation. The ice content of plant branches under cold stress was measured for indoor and field environments, and the sensors could effectively monitor changes in the branch ice content in plants exposed to cold stress. Additionally, they can differentiate between plants with different cold resistances, indicating the reliability of the BVIC sensor.

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Section: Discussionmentioning

confidence: 99%

Miniature Noninvasive Sensor Based on Impedance-Change Detection in Branches for Measuring Branch Ice Content in Overwintering Woody Plants

et al. 2023

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Study on the variation characteristics and influencing factors of stem water content of Acer truncatum during the overwintering period

Xu,

Zhao

2024

J Plant Res

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Stem water content is a pivotal parameter that characterizes the vitality of plants and maintains their internal water balance. Given the insu cient comprehension regarding the stem water content characteristics and its in uencing factors during different stages of the overwintering period, the study, focusing on Acer truncatum., developed an Internet of Things (IoT)-based ecological information monitoring system. The system incorporated a proprietary stem water content sensor, allowing non-invasive, in-situ and real time acquisition of stem water content while monitoring diverse environmental parameters. We conducted a detailed elucidation of stem water content variation characteristics and its responses to diverse environmental factors. The results shouwed: (1) During the overwintering period, stem water content exhibited diurnal variations characterized by " daytime ascent and nighttime descent" across the three stages, exhibiting differences in the moment when the stem water content reaching extremal values and daily uctuations ranges. Stem water content exhibited minimal uctuations during deciduous and budbreaking stages but experienced signi cant freezing-thawing alternations during the dormant stage, leading to increased daily uctuation range. (2) Pearson correlation coe cients between environmental parameters and stem water content varied dynamically across stages. Path analysis revealed: during the deciduous stage, stem temperature and saturation vapor pressure de cit were dominant factors in uencing stem water content; during dormant stage, air temperature and saturation vapor pressure de cit directly impacted stem water content; during the bud-breaking stage, the primary parameters affecting stem water content were saturation vapor pressure de cit and stem temperature. The study provides valuable insights into unveiling the water transport patterns within tree stems tissue and their environmental adaptation mechanisms during the overwintering period, aiding in the scienti c development of winter management strategies to protect trees from severe cold and freezing damage, while fostering healthy growth in the subsequent year.

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Study on the variation characteristics and influencing factors of stem water content of Acer truncatum during the overwintering period

Xu,

Zhao

2024

Preprint

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Stem water content is a pivotal parameter that characterizes the vitality of plants and maintains their internal water balance. Given the insufficient comprehension regarding the stem water content characteristics and its influencing factors during different stages of the overwintering period, the study, focusing on Acer truncatum., developed an Internet of Things (IoT)-based ecological information monitoring system. The system incorporated a proprietary stem water content sensor, allowing non-invasive, in-situ and real time acquisition of stem water content while monitoring diverse environmental parameters. We conducted a detailed elucidation of stem water content variation characteristics and its responses to diverse environmental factors. The results shouwed: (1) During the overwintering period, stem water content exhibited diurnal variations characterized by " daytime ascent and nighttime descent" across the three stages, exhibiting differences in the moment when the stem water content reaching extremal values and daily fluctuations ranges. Stem water content exhibited minimal fluctuations during deciduous and bud-breaking stages but experienced significant freezing-thawing alternations during the dormant stage, leading to increased daily fluctuation range. (2) Pearson correlation coefficients between environmental parameters and stem water content varied dynamically across stages. Path analysis revealed: during the deciduous stage, stem temperature and saturation vapor pressure deficit were dominant factors influencing stem water content; during dormant stage, air temperature and saturation vapor pressure deficit directly impacted stem water content; during the bud-breaking stage, the primary parameters affecting stem water content were saturation vapor pressure deficit and stem temperature. The study provides valuable insights into unveiling the water transport patterns within tree stems tissue and their environmental adaptation mechanisms during the overwintering period, aiding in the scientific development of winter management strategies to protect trees from severe cold and freezing damage, while fostering healthy growth in the subsequent year.

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Assessing the Vitality Status of Plants: Using the Correlation between Stem Water Content and External Environmental Stress

Cited by 4 publications

References 60 publications

Miniature Noninvasive Sensor Based on Impedance-Change Detection in Branches for Measuring Branch Ice Content in Overwintering Woody Plants

Miniature Noninvasive Sensor Based on Impedance-Change Detection in Branches for Measuring Branch Ice Content in Overwintering Woody Plants

Study on the variation characteristics and influencing factors of stem water content of Acer truncatum during the overwintering period

Study on the variation characteristics and influencing factors of stem water content of Acer truncatum during the overwintering period

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