ASEV Journal Vol 57 (4) 2006

American Journal of Enology and Viticulture

Volume 57 number 4 (2006)

Abstracts for papers published in this journal.

CONTENTS

Stefano Poni, Lorenzo Casalini, Fabio Bernizzoni, Silvia Civardi, and Cesare Intrieri (2006) Effects of Early Defoliation on Shoot Photosynthesis, Yield Components, and Grape Composition. Am. J. Enol. Vitic. 57: 397-407.

Key words: Vitis vinifera L., leaf removal, gas exchange, fruit set, berry growth

Kendra Baumgartner, and David M. Rizzo (2006) Relative Resistance of Grapevine Rootstocks to Armillaria Root Disease. Am. J. Enol. Vitic. 57: 408-414.

Key words: Armillaria mellea, disease resistance, screening technique, Vitis vinifera

Stamatis Stamatiadis, Dimitris Taskos, Christos Tsadilas, Calliopi Christofides, Eleftheria Tsadila, and James S. Schepers (2006) Relation of Ground-Sensor Canopy Reflectance to Biomass Production and Grape Color in Two Merlot Vineyards. Am. J. Enol. Vitic. 57: 415-422.

Key words: NDVI, WDRVI, topography, grape phenols, grape anthocyanins

Colin McBryde, Jennifer M. Gardner, Miguel de Barros Lopes, and Vladimir Jiranek (2006) Generation of Novel Wine Yeast Strains by Adaptive Evolution. Am. J. Enol. Vitic. 57: 423-430.

Key words: adaptive evolution, Saccharomyces cerevisiae, wine, strain optimization

Angela L. Linderholm, Tammi L. Olineka, Yeun Hong, and Linda F. Bisson (2006)
Allele Diversity among Genes of the Sulfate Reduction Pathway in Wine Strains of Saccharomyces cerevisiae. Am. J. Enol. Vitic. 57: 431-440.

Key words: hydrogen sulfide, sulfate reduction, Saccharomyces, MET17, CYS4, MET6

Encarnación Núñez-Olivera, Javier Martínez-Abaigar, Rafael Tomás, Saúl Otero, and María Arróniz-Crespo (2006) Physiological Effects of Solar Ultraviolet-B Exclusion on Two Cultivars of Vitis vinifera L. from La Rioja, Spain. Am. J. Enol. Vitic. 57: 441-448.

Key words: ultraviolet-B radiation, chlorophyll fluorescence, xanthophyll cycle, diurnal variations

Cristina Alcalde-Eon, Eduardo Boido, Francisco Carrau, Eduardo Dellacassa, and Julián C. Rivas-Gonzalo (2006) Pigment Profiles in Monovarietal Wines Produced in Uruguay. Am. J. Enol. Vitic. 57: 449-459.

Key words: anthocyanins, pyranoanthocyanins, anthocyanin-flavanol condensation products, red wines

Danilo Dragoni, Alan N. Lakso, Richard M. Piccioni, and Julie M. Tarara (2006)
Transpiration of Grapevines in the Humid Northeastern United States. Am. J. Enol. Vitic. 57: 460-467.

Key words: vineyard, sap flow, crop coefficient, water use, Vitis labruscana

Davinia Carlavilla, Mar Villamiel, Isabel Martínez-Castro, and M. Victoria Moreno-Arribas (2006) Occurrence and Significance of Quercitol and Other Inositols in Wines during Oak Wood Aging. Am. J. Enol. Vitic. 57: 468-473.

Key words: quercitol, inositol, oak wood, wine aging

Virginie Soubeyrand, Anne Julien, and Jean-Marie Sablayrolles (2006) Rehydration Protocols for Active Dry Wine Yeasts and the Search for Early Indicators of Yeast Activity. Am. J. Enol. Vitic. 57: 474-480.

Key words: active dry yeast, rehydration, fermentation, winemaking

Technical briefs

James A. Kennedy, Jordan Ferrier, James F. Harbertson, and Catherine Peyrot des Gachons (2006) Analysis of Tannins in Red Wine Using Multiple Methods: Correlation with Perceived Astringency. Am. J. Enol. Vitic. 57: 481-485.

Key words: tannin, red wine, astringency, protein precipitation

Frank Rogerson, and Charles Symington (2006) A Method for the Estimation of Alcohol in Fortified Wines Using Hydrometer Baumé and Refractometer Brix. Am. J. Enol. Vitic. 57: 486-490.

Key words: fortified wine, apparent Brix, apparent °Baumé, true Brix, true °Baumé

Robert Falconer, Briony Liebich, and Allen Hart (2006) Automated Color Sorting of Hand-Harvested Chardonnay. Am. J. Enol. Vitic. 57: 491-496.

Key words: sorting, spoilage, unripe, MOG, quality

Theresa M. Heredia, Douglas O. Adams, Kelly C. Fields, Paul G. Held, and James F. Harbertson (2006) Evaluation of a Comprehensive Red Wine Phenolics Assay Using a Microplate Reader. Am. J. Enol. Vitic. 57: 497-502.

Key words: microplate reader, wine, tannin, anthocyanin, polymeric pigment, protein precipitation

Research notes

Matthew W. Fidelibus, L. Peter Christensen, Donald G. Katayama, and Pierre-Thibaut Verdenal (2006) Yield Components and Fruit Composition of Six Chardonnay Grapevine Clones in the Central San Joaquin Valley, California. Am. J. Enol. Vitic. 57: 503-506.

Key words: clonal selection, germplasm, sour rot

Seok-Tae Jeong, Nami Goto-Yamamoto, Katsumi Hashizume, Shozo Kobayashi, and Muneharu Esaka (2006) Expression of VvmybA1 Gene and Anthocyanin Accumulation in Various Grape Organs. Am. J. Enol. Vitic. 57: 507-510.

Key words: grape, anthocyanin, VvmybA1, organ specificity

Christian Chervin, Nancy Terrier, Agnès Ageorges, Fabien Ribes, and Tira Kuapunyakoon (2006) Influence of Ethylene on Sucrose Accumulation in Grape Berry. Am. J. Enol. Vitic. 57: 511-513.

Key words: grapevine, Vitis vinifera, ethylene signaling, sucrose transport, ripening

Krista C. Shellie (2006) Vine and Berry Response of Merlot (Vitis vinifera L.) to Differential Water Stress. Am. J. Enol. Vitic. 57: 514-518.

Key words: winegrape, evapotranspiration, leaf water potential, regulated deficit irrigation

Willem H. Groenewald, Carol A. Van Reenen, Svetoslav D. Todorov, Maret Du Toit, R. Corli Witthuhn, Wilhelm H. Holzapfel, and Leon M.T. Dicks (2006) Identification of Lactic Acid Bacteria from Vinegar Flies Based on Phenotypic and Genotypic Characteristics. Am. J. Enol. Vitic. 57: 519-525.

Key words: lactic acid bacteria, vinegar flies, Drosophila