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Assessment of an automated digital method to estimate leaf area index (LAI) in cherry trees

dc.contributor.authorCarrasco-Benavides, Marcos
dc.contributor.authorMora, Marco
dc.contributor.authorMaldonado, Gonzalo
dc.contributor.authorOlguín-Cáceres, Jeissy
dc.contributor.authorvon Bennewitz, Eduardo
dc.contributor.authorOrtega-Farías, Samuel
dc.contributor.authorFuentes, Sigfredo
dc.date.accessioned2017-10-16T13:31:51Z
dc.date.available2017-10-16T13:31:51Z
dc.date.issued2016
dc.identifier.urihttp://repositorio.ucm.cl/handle/ucm/565
dc.description.abstractstudy was carried out during two growing seasons to evaluate the performance of a digital photography method to estimate the leaf area index (LAID) of cherry tree cultivars. The trial comprised 10 ‘Bing’ and 10 ‘Sweetheart’ trees where actual leaf area index (LAIA) was obtained by defoliation. Estimations of LAID were obtained by the batch processing of images of the canopy of the same trees which were obtained using a conventional digital RGB camera. Comparisons of LAIA and LAID averages resulted in a good level of agreement for ‘Sweetheart’ for the two growing seasons (percentage of mean absolute error: MAE% = 10.4%). For ‘Bing’, LAID was accurate in the first growing season (MAE% = 17.7%), but underestimated by 44% (MAE%) in the second growing season, presumably due to differences observed in the clumping index and the light extinction coefficient. Results evidenced the robustness of this simple method for determining the leaf area index of cherry trees.es_CL
dc.language.isoenes_CL
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 Chile*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/*
dc.sourceNew Zealand Journal of Crop and Horticultural Science, 44(4), 247-261es_CL
dc.subjectBatch processinges_CL
dc.subjectBeer’s lawes_CL
dc.subjectCanopy analysises_CL
dc.subjectDigital cameraes_CL
dc.subjectGap fractiones_CL
dc.subjectGround areaes_CL
dc.subjectOptical methodses_CL
dc.titleAssessment of an automated digital method to estimate leaf area index (LAI) in cherry treeses_CL
dc.typeArticlees_CL
dc.ucm.facultadFacultad de Ciencias Agrarias y Forestaleses_CL
dc.ucm.indexacionScopuses_CL
dc.ucm.indexacionIsies_CL
dc.ucm.uriwww.tandfonline.com/doi/abs/10.1080/01140671.2016.1207670?journalCode=tnzc20&es_CL
dc.ucm.doidx.doi.org/10.1080/01140671.2016.1207670es_CL


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Atribución-NoComercial-SinDerivadas 3.0 Chile
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