Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Seed Morphology in Key Spanish Grapevine Cultivars

Version 1 : Received: 23 March 2021 / Approved: 24 March 2021 / Online: 24 March 2021 (12:00:37 CET)

A peer-reviewed article of this Preprint also exists.

Cervantes, E.; Martín-Gómez, J.J.; Espinosa-Roldán, F.E.; Muñoz-Organero, G.; Tocino, Á.; Cabello-Sáenz de Santamaría, F. Seed Morphology in Key Spanish Grapevine Cultivars. Agronomy 2021, 11, 734. Cervantes, E.; Martín-Gómez, J.J.; Espinosa-Roldán, F.E.; Muñoz-Organero, G.; Tocino, Á.; Cabello-Sáenz de Santamaría, F. Seed Morphology in Key Spanish Grapevine Cultivars. Agronomy 2021, 11, 734.

Journal reference: Agronomy 2021, 11, 734
DOI: 10.3390/agronomy11040734

Abstract

Ampelography, the botanical discipline dedicated to the identification and classification of grapevine cultivars, was grounded on the description of morphological characters and more recently is based on the application of DNA polymorphisms. New methods of image analysis may help to optimize morphological approaches in ampelography. The objective of this study was the classification of representative cultivars of Vitis vinifera conserved in the Spanish collection of IMIDRA according to seed shape. Thirty eight cultivars representing the diversity of this collection were analyzed. A consensus seed silhouette was defined for each cultivar representing the geometric figure that better adjusted to their seed shape. All the cultivars tested were classified in ten morphological groups, each corresponding to a new model. The models are geometric figures defined by equations and similarity to each model is evaluated by quantification of percent of the area shared by the two figures, the seed and the model (J index). The comparison of seed images with geometric models is a rapid and convenient method to classify cultivars. A large proportion of the collection may be classified according to the new models described and the method permits to find new models according to seed shape in other cultivars.

Subject Areas

ampelography; geometry; grapevine; morphology; peduncle; shape; taxonomy

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