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In an attempt to keep our Trellis Alliance membership informed about current research efforts in winegrape growing and winemaking, we have selected to review a number of articles on those subjects that we feel are especially relevant and timely. Although there is a great deal of research data published regularly in journals and scientific publications, it is often difficult to locate those articles and then to take the time to read and assess them. And they are often written to be reviewed by other researchers and/or academics, so their practical, or applied, value may be difficult to discern.

So, our writers have chosen to review these articles in a concise yet comprehensive style so we accurately represent the original author’s conclusions, but do so in a more approachable way whenever we can. We will be adding to our current list of reviewed articles as often as we can. Your input or suggestions for topics are always welcome, as are any of your comments about what you’d like the Trellis Alliance to do for you. Our goal is to keep you informed.

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Rapid determination of phenolic components in wines using UV-visible spectra
Biofilm formation and adhesion properties of various Brettanomyces isolates
Effect of Saccharomyces bayanus on Chardonnay aroma and composition
Estimation of quality in the vineyard using a new viticultural index
Effect of wine knowledge and sensory expertise on individual wine preference
Untypical ageing off-flavor due to long-term nitrogen fertilization
Effects of Partial Rootzone Drying on vine growth and fruit quality
Influence of cover crop species and floor management practices on soil organic matter and macronutrients
Influence of cover crop species and floor management practice on vine performance
Influence of undervine floor management in an organic Pinot noir vineyard
The impact of climate change on the phenology of winegrapes in Australia
Terroir influence on vegetative development and must and wine composition
Effects of rachis position on size and maturity of berries
Riesling: changes in norisoprenoid content with nitrogen fertilization
Effects of restricted irrigation at different stages of berry development
Effect of cover crop species and floor management practice in a coastal region vineyard
Development of tyloses in grapevine shoots after pruning
Pyrazine levels in four red grape varieties
Effect of nitrogen fertilization on tissue nitrogen levels, yield and grape composition of Syrah on three different rootstocks
Structure of xylem vessels and implications for bacterial disease spread
Performance of three Malbec clones on two rootstocks in Napa Valley
Wine microbial populations: A real terroir characteristic
Terroir efects depend more on soil depth than on soil type
Influence of irrigating Chardonnay in a cool, humid climate
Double pruning of grapevines: A cultural practice to reduce infections by Eutypa lata
Influence of climate, soil, and cultivar on terroir
Effect of bottle closure on perception of wine quality
Controlling bird damage with alarm and distress calls
Evaluating the wine tasters
Effect of ethanol and glycerol on Riesling wine body and related characteristics
The effect of tannin additions on Syrah sensory properties and phenolic composition
How well do stability tests predict haze formation during storage and transport?
Factors that affect commercial protein stability tests
Nitrogen and potassium fertilization effects on anthocyanin content and color of Tempranillo grapes
Drip fertigation with macro- and micronutrients
Monitoring fermentation aromas with an electronic nose
Effect of crop load on the ripening of Cabernet Sauvignon using four rootstocks
Detection and enumeration of Hanseniaspora species in wine and juice
Effect of method of addition of bentonite during small-scale fining trials
Effect of juice bentonite treatment on yeast fermentation
New yeasts for low-input winemaking
Effect of floor management on vine growth, yield, and fruit composition
Comparison of using a cover crop or using herbicides on vine root distribution and soil characteristics
The influence of a Mediterranean diet and red wine on metabolic syndrome
Influence of different maceration techniques and microbial enzymatic activities on resveratrol content
Resveratrol improves the health of mice subjected to a high-calorie diet
Influence of SO2 on the formation of aldehydes in white wines
Formation of hydrogen sulfide during white fermentations
Influence of gelatin molecular weight on wine phenolic composition and taste
Inhibition of malolactic fermentation under low- and high- nitrogen conditions
Soil and grape quality in biodynamically and organically managed vineyards
Use of organic wastes for soil-covering of vineyards
Compost benefits and quality for viticultural soils
Managing vineyard soil organic matter with cover crops
Evaluation of new methods of powdery mildew control in the vineyard
Evaluation of new methods of powdery mildew control in the greenhouse
Use of Decision Tree Analysis to determine viticulture and winemaking parameters important to quality
Effect of cheese on red wine flavor
Vineyard microorganisms as sources for biological control of Botrytis
Quantification of Botrytis by ELISA
Genetic and physiological diversity in Brettanomyces bruxellensis
Cluster architecture in Vitis vinifera
Chardonnay clones
Solute transport in Syrah berries during development and late-ripening shrinkage
Towards a simple indicator of water stress in grapevines
The role of yeast on Sauvignon blanc flavor
A rehydration protocol for active dry yeast
Incorporation of a radioactive anthocyanin into large polyphenols during fermentation and wine aging
Effect of different cofactors on the color of red wine
Effect of caffeic acid on the color of red wine
Effect of screwcap or cork on levels of SO2 and aromas in Sauvignon blanc
A comparison of a plating method and a DNA-based method to identify the yeast present in a commercial fermentation
Identification of yeasts in a commercial native fermentation by plating
Direct identification of yeasts in a commercial fermentation
A comparison of methods to analyze phenols in the winery
A comparison of methods to analyze phenols in research
Comparison between Pierce's Disease symptoms and Water stress symptoms
Dormant cutting mealybug control
Manipulating irrigation to reduce insect damage
Alternatives to methyl bromide
A technique for screening vine progeny for resistance to nematodes
Drought tolerance of different Vitis species
Grapevine crop coefficient as a funcion of shade under the canopy
Influence of irrigation and berry maturity on flavonoids
Effect of microoxygenation on anthocyanins
Effect of temperature on anthocyanin biosynthesis
Effect of variety on anthocyanin extractability
Developing high-colored grape varieties for cool climates
Cabernet clones
Merlot clones
The present and future of the international wine industry
A faster assay to measure phenolics in the winery
Correlation of tannin analysis and perceived astringency
Polyphenol information in food labels
Dietary fiber in wine
Functioning of water vessels in the berry during ripening
Foliar fertilization
Critical plant tissue nutrient values
Influence of mycorrhizas on the water status and growth of different rootstocks
Review of the role of mycorrhizas on mineral nutrition
Effect of root pruning on vine water transport
Review of grapevine rooting patterns
Root distribution of different rootstocks
Row orientation choice for windy locations
Prediction of pruning weights using remotely-sensed data
Remote estimation of vine canopy density
Canopy management for fruitfulness
Influence of timing of shoot thinning on vine, juice, and wine parameters
The importance of the timing of crop thinning on wine quality parameters
The effects of mechanical- and hand- cluster thinning operations
A review of pyrazines in grapes and wine
Effect of irrigation on the sensory properties of Cabernet wine
Effect of crop yield on the sensory properties of Cabernet wine
A review of the effects of winemaking procedures on phenolic extraction
Effect of maceration techniques on phenolic composition
Polymeric pigments in berries and wines
Tannin levels in berry skins and seeds during ripening
Influence of berry size and irrigation on anthocyanins and tannins
Irrigation effects on proportions of berry seed, skin and flesh
The roots of fine wine
Comparing the three most common methods of measuring vine water status