Francisco Emmanuel Espinosa-Roldán

ORCID: 0000-0001-7241-0947
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About
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Research Areas
  • Horticultural and Viticultural Research
  • Fermentation and Sensory Analysis
  • Nuts composition and effects
  • Wine Industry and Tourism
  • Historical and socio-economic studies of Spain and related regions
  • Plant Water Relations and Carbon Dynamics
  • Plant responses to elevated CO2
  • Plant biochemistry and biosynthesis

Ampelography, the botanical discipline dedicated to identification and classification of grapevine cultivars, was grounded on description morphological characters more recently is based application DNA polymorphisms. New methods image analysis may help optimize approaches in ampelography. The objective this study representative cultivars Vitis vinifera conserved Spanish collection IMIDRA according seed shape. Thirty eight representing diversity were analyzed. A consensus silhouette defined...

10.20944/preprints202103.0578.v1 preprint EN 2021-03-24

The main phenological stages (budburst, flowering, veraison, and ripeness) of 53 Spanish minority varieties were studied to determine their potential help winegrowers adapt climate change conditions. In total, 43 in the same location Spain (Alcalá de Henares, Madrid region) 10 5 other regions (Galicia, Navarre, Catalonia, Extremadura, Andalusia). Other traits agronomic oenological interest, such as yield acidity, also monitored. results allow for grouping into several clusters according time...

10.3390/horticulturae8110984 article EN cc-by Horticulturae 2022-10-22

In this study, a total of 34 Spanish minority varieties were studied during four seasons from 2020 to 2023, and their behavior was characterized according main phenological stages (bud break, bloom, veraison, maturity) complete cycle. We focused on the prospected in central plateau conserved “El Encín” grapevine collection, aiming identify potential for adaptation these them be considered by winegrowers as an alternative current climate change conditions. The growing degree days required...

10.3390/horticulturae10040353 article EN cc-by Horticulturae 2024-04-03

The Vitis IMIDRA collection contains 3699 entries, representing a significant percentage of the variation in traditional and commercial cultivars used Spain. classification identification new entries are currently conducted based on ampelography molecular methods. Here, we propose method seed morphology its application to total 224 varieties from collection. Based shape, fourteen groups have been defined according similarity seeds, with geometric figures as models. models Cariñena Blanca,...

10.3390/seeds3030022 article EN cc-by Seeds 2024-06-24

Ampelography, the botanical discipline dedicated to identification and classification of grapevine cultivars, was grounded on description morphological characters more recently is based application DNA polymorphisms. New methods image analysis may help optimize approaches in ampelography. The objective this study representative cultivars Vitis vinifera conserved Spanish collection IMIDRA according seed shape. Thirty eight representing diversity were analyzed. A consensus silhouette defined...

10.3390/agronomy11040734 article EN cc-by Agronomy 2021-04-10

Climate change is increasing average temperatures and intensity frequency of extreme events such as heat waves. Productivity declines plant damage due to those changes are already described for several majority varieties, especially in the Mediterranean basin. Less explored minority varieties can arise alternatives high tolerance, or having acclimation potential heat. We evaluated tolerance after three summer thermic environments four Spanish varieties: two (‘Tempranillo’, ‘Airén’)...

10.1051/bioconf/20235601029 article EN cc-by BIO Web of Conferences 2023-01-01
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