A Proposed Methodology to Analyze Plant Growth and Movement from Phenomics Data
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AuthorDíaz Galián, María Victoria; Pérez Sanz, Fernando; Sánchez Pagán, José David; Weiss, Julia Rosl; Egea Gutiérrez-Cortines, Marcos; [et al.]
Realizado en/conUniversidad Politécnica de Cartagena
Bibliographic CitationDíaz-Galián MV, Perez-Sanz F, Sanchez-Pagán JD, Weiss J, Egea-Cortines M, Navarro PJ. A Proposed Methodology to Analyze Plant Growth and Movement from Phenomics Data. Remote Sensing. 2019; 11(23):2839. https://doi.org/10.3390/rs11232839
General additive models
Image analysis of developmental processes in plants reveals both growth and organ movement. This study proposes a methodology to study growth and movement. It includes the standard acquisition of internal and external reference points and coordinates, coordinates transformation, curve fitting and the corresponding statistical analysis. Several species with different growth habits were used including Antirrhinum majus,A. linkianum, Petunia x hybrida and Fragaria x ananassa. Complex growth patterns, including gated growth, could be identified using a generalized additive model. Movement, and in some cases, growth, could not be adjusted to curves due to drastic changes in position. The area under the curve was useful in order to identify the initial stage of growth of an organ, and its growth rate. Organs displayed either continuous movements during the day with gated day/night periods of maxima, or sharp changes in position coinciding with day/night shifts. The movement was dependent on ...
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