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USE OF NON-INVASIVE RGB IMAGING TO ASSESS THE CANOPY STATUS IN ORGANIC VITICULTURE

Diago, M.P; Fernandez-Novales, J.; Palacios, F.; Moreda, E. and Tardaguila, J. (2018) USE OF NON-INVASIVE RGB IMAGING TO ASSESS THE CANOPY STATUS IN ORGANIC VITICULTURE. EQA – Environmental quality, 30, pp. 23-30.

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Online at: https://eqa.unibo.it/article/view/7946

Summary

In organic viticulture, canopy features such as leaf area, canopy porosity and fruit exposure are critical due their impact on fungal disease incidence and grape composition. An adequate and accurate assessment of the canopy status is the first step towards appropriate and effective grapevine canopy management, therefore an easy, non-invasive, robust method to evaluate the main features of a grapevine canopy is needed. In this work a protocol for canopy status assessment based on non-invasive RGB imaging is presented and used to ascertain differences in the canopy status of grapevines grown under different degraded and non-degraded soil conditions. RGB images were processed using a classification algorithm based on the Mahalanobis distance, and then the pixels were classified in four classes: clusters, leaves, gaps and shoots. Overall, higher leaf exposure was observed in vines grown in non-degraded soil while the highest percent of gaps or canopy porosity corresponded to vines of the two cover crop treatments.


EPrint Type:Journal paper
Keywords:Image analysis, leaf exposure, cluster exposure, canopy gaps, porosity, soil management
Subjects: Crop husbandry > Production systems
Crop husbandry > Production systems > Fruit and berries > Viticulture
Farming Systems > Farm nutrient management
Research affiliation: European Union > CORE Organic Plus > ReSolVe
ISSN:2281-4485
DOI:10.6092/issn.2281-4485/7946
Deposited By: Priori, Simone
ID Code:33459
Deposited On:04 Jul 2018 09:51
Last Modified:04 Jul 2018 09:51
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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