Abstract
A leaf area (LA) estimation model developed in a temperate climate for sweet cherry (Prunus avium L.) was tested for validation on 'Regina' trees on two rootstocks of varying vigor, 'Gisela 5' (Gi5) and 'Gisela 6' (Gi6), in a cool temperate climate (the Great Lakes region of North America). To determine the degree of accuracy of the model, actual LA values measured by digital planimeter were plotted against predicted LAs calculated by the model. The relationships (r2 values) were very high and varied little between rootstocks (r2 = 0.9886 for Regina/Gi6 and r2 = 0.9849 for Regina/Gi5). This study demonstrates that the model is valid for use by cherry researchers in different growing regions and for rootstocks that impart different levels of vigor scion, such as 'Regina'.
Highlights
Additional key words: canopy light interception, leaf dimension, predictive equation, Prunus avium L
Se ha probado para validación un modelo de estimación del área foliar (LA), desarrollado en un clima templado para el cerezo dulce (Prunus avium L.), en árboles ‘Regina’ sobre dos portainjertos de distinto vigor, ‘Gisela 5’ (Gi5) y ‘Gisela 6’ (Gi6), en un clima frío templado
The objective of this study was to test the validation of a sweet cherry (Prunus avium L.) leaf area (LA) estimation model developed in Turkey, for a cultivar different from those on which it was developed, and under different ecological conditions (i.e., Michigan, USA) as well as on two rootstocks that impart different levels of vigor
Summary
Additional key words: canopy light interception, leaf dimension, predictive equation, Prunus avium L. Se ha probado para validación un modelo de estimación del área foliar (LA), desarrollado en un clima templado para el cerezo dulce (Prunus avium L.), en árboles ‘Regina’ sobre dos portainjertos de distinto vigor, ‘Gisela 5’ (Gi5) y ‘Gisela 6’ (Gi6), en un clima frío templado (la región de los Grandes Lagos de América del Norte).
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