Research & Discoveries
Sunlight drives temporal and spatial changes in the composition of wine grapes (With Aaron Fait and Nurit Agam - Ben-Gurion university of the Negev)
April 12, 2025
We characterized how the variability in solar irradiance in the field shapes the spatial heterogeneity of grape composition and drives short-term and circadian fluctuations in grape composition.
Check out our publications in:
Journal of Agricultural and Food Chemistry
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Genetic markers for malic acid in grape (With Gavin Sacks, Cornell University - Vitisgen 2 project)
April 12, 2025
We identified strong and stable genetic loci that regulate malic acid levels in interspecific grapevine famillies to facilitate the breeding of disease resistant cultivars. Check out our publication in:
Horticulture Research
Varaition in the physiology of grape ripening across Vitis species (With Gavin Sacks, Cornell University - Vitisgen 2 project)
April 12, 2025
We are harnessing the variability within the genus to untangle the complex process of grape ripening
Redefining Table Grape Nitrogen Requirements with Lysimeters
Optimizing Fruit Quality and Nitrogen Use Efficiency
Table grape production requires adequate nitrogen (N) supply to sustain vine performance and yield. However, excess N fertilization leads to groundwater contamination and air pollution. This stresses the need for developing empirically-based precision N fertilization schemes in vineyards, to optimize yield and quality while minimizing the environmental impact.
Our aim is to unequivocally quantify table grape N requirements, elucidate the drivers of daily and seasonal N uptake, and quantify the relationship between fertigation N levels and vine growth, fruit yield, composition, and quality.