viticultur

The Northern Limit of Viticulture and the Rise of Disease Pressure

2026/9/1

There is a region known as the wine belt. It was considered suitable for wine grape cultivation, spanning roughly 30–50°N and 30–40°S latitude. The Rheingau in Germany sits at 50°N. This region was long regarded as the northern limit of viticulture. That …

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viticultur

Biostimulants | A Category That Need Not Explain Why It Works

2026/8/21

The word “biostimulant” turns up more and more often on the shelves of agricultural and horticultural suppliers, and not only in viticulture. The descriptions on those shelves tend to run along the lines of invigorating the plant, or activating it. When t …

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grape-variation

Dismantling the Piwi Safety Myth: What Resistance Genes Can and Cannot Do

2026/7/2

The word “Piwi” increasingly needs no explanation. It has become a trend term in winegrape growing. Piwi is an abbreviation of the German Pilzwiderstandsfähige Rebsorten, meaning fungus-resistant grape varieties. These varieties are presented as having be …

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viticultur

The Overlooked Crisis in the Vineyard: Heading Off a Second Phylloxera Catastrophe

2026/6/27

Climate change and global warming are reshaping how wine is made. Winters have grown shorter and warmer, and budbreak now arrives earlier in the season. As a result, damage from late frost and hail has become more widespread. Shifts in rainfall patterns i …

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oenology

Winemaking Technique | What Is Cold Maceration?

2026/4/19

Maceration is a winemaking technique with a surprisingly thin body of precise, publicly available information despite its widespread use. This article takes cold maceration (cold soak) as its central case and examines both the commonly cited benefits and …

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qualitycontrol

The Diversity of Brett Reception | Beyond the Defect-vs-Character

2026/4/3

How do you react when Brett comes up in a conversation about wine? Some may wonder why bread appears in the discussion — the resemblance goes no further than the sound of the word. What drifts from the glass is a distinctive smell rarely encountered in ev …

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oenology

Are Dessert Wines Never Red?

2026/3/19

Preferences in wine vary widely, but few people seem to dislike the profound sweetness that characterises dessert wines. Even setting aside Château d’Yquem, the mere thought of a Riesling Trockenbeerenauslese from an exceptional vintage is enough to bring …

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fermentation

A Technique for Controlling Spontaneous Fermentation in Winemaking: Pied de Cuve

2026/2/12

When making one’s own wine, few producers have never hesitated over the choice of whether to ferment with active dry yeast or to rely on indigenous microorganisms—so-called “wild” yeasts—present on grapes and in the winery. If the priority is fermentation …

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viticultur

Pruning Wine Grapevines: Sap Flow and Longevity Through the Lens of Fundamentals and History

2026/1/14

Pruning is one of the most critical operations carried out in vineyards. In viticulture, pruning refers to removing unnecessary shoots and canes that have grown over the season, leaving only those required for the coming production cycle. This work is per …

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oenology wine

Wine and Barrel-Derived Extracts: Phenolic Compounds and Oak-Related Aromas

2025/12/22

This article focuses on the compounds extracted from wooden barrels during wine aging and their effects on wine. Discussions of barrel aging are often reduced to the notion of “oak aroma,” with an emphasis on aromatic attributes alone. In practice, howeve …

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wine

2025/9/22

The Relationship Between Alcohol and Wine’s Taste and Aroma Perception

When tasting wine, which element do you focus on most? Many of you might be conducting tastings that center more on aroma than on flavor. For winemakers, some of you may be paying more attention to the wine’s compositional elements themselves, such as res …

vinnatural

2025/9/13

Why People Buy Natural Wine

I would like to introduce the content of a fascinating article published in the German wine magazine “der deutsche Weinbau.” Image or Sensation? The title of this article is “Image vs. Sensorik.” If we translate this somewhat freely, it becomes “Image or …

viticultur wine

2025/12/3

Understanding South African Wine Through Data

Why South African Wines Deliver Exceptional Quality at Accessible Prices South African wines have become indispensable in the global market as leading examples of high-quality yet affordable wines. While Chile once dominated this category, South Africa is …

viticultur wine

2025/11/26

Wine, Soil, and Terroir | Slate Color and Wine Character

When explaining the distinctive character of wine, the discussion often relates to terroir. Soil is one of the elements that constitute terroir. There are numerous types of soil. Alongside clay and limestone, Schiefer occupies a significant position among …

sparklingwine

2025/11/5

The Surprising Truth Behind Sparkling Wine Gushing

When you’re tired from the day’s work, when you want to add a touch of elegance to your everyday life, when you wish to spend quality time with close friends, or when you need to refresh yourself from the oppressive heat—sparkling wine is the perfect comp …

sparklingwine

2025/11/12

The Science of Bubbles: Understanding the Mechanism Behind Sparkling Wine’s Appeal

Sparkling wine is an indispensable element of celebrations and gatherings, extending far beyond Christmas and New Year festivities. The sight of bubbles ascending through a flute glass alone can evoke a sense of festivity in the consumer. Sparkling wine i …

viticultur

2026/9/1

The Northern Limit of Viticulture and the Rise of Disease Pressure

There is a region known as the wine belt. It was considered suitable for wine grape cultivation, spanning roughly 30–50°N and 30–40°S latitude. The Rheingau in Germany sits at 50°N. This region was long regarded as the northern limit of viticulture. That …

viticultur

2025/8/27

Biodynamic Fundamentals: Understanding Biodynamics Through Three Key Questions

In recent years, the term “biodynamic” or “biodynamic agriculture” has rapidly gained mainstream recognition. This is particularly true in the wine industry, where many globally acclaimed producers have adopted this approach, and you may have encountered …

viticultur

2026/8/21

Biostimulants | A Category That Need Not Explain Why It Works

The word “biostimulant” turns up more and more often on the shelves of agricultural and horticultural suppliers, and not only in viticulture. The descriptions on those shelves tend to run along the lines of invigorating the plant, or activating it. When t …

viticultur

2026/1/14

Pruning Wine Grapevines: Sap Flow and Longevity Through the Lens of Fundamentals and History

Pruning is one of the most critical operations carried out in vineyards. In viticulture, pruning refers to removing unnecessary shoots and canes that have grown over the season, leaving only those required for the coming production cycle. This work is per …

viticultur

2025/8/5

Is Germany the Northern Limit of Viticulture?

When people begin studying wine, many learners are taught that “wine grape cultivation takes place between 30° and 50° North latitude and 30° and 40° South latitude,” aren’t they? Then, when they move on to the chapter dealing with German wines, they like …

viticultur wine

2025/12/3

Understanding South African Wine Through Data

Why South African Wines Deliver Exceptional Quality at Accessible Prices South African wines have become indispensable in the global market as leading examples of high-quality yet affordable wines. While Chile once dominated this category, South Africa is …

oenology

2025/8/6

Why Do Wines Taste Bitter?

Have you ever found a wine to taste “bitter”? How about sake—have you ever experienced bitterness when drinking it? When drinking alcoholic beverages, we occasionally encounter bitterness. Have you ever wondered why this happens? What would you think if t …

oenology qualitycontrol

2025/6/28

Wine Character Ruined! Understanding Film-Forming Yeasts and Their Control

Have you ever encountered a red wine that tasted oddly flat yet somehow spicy, with aromas reminiscent of dust, mold, or sulfur compounds? Such wines may have been affected by film-forming yeasts during their aging period. While the term “film-forming yea …

oenology off-flavor viticultur wine

2025/10/11

Wine Off-Flavor | UTA / ATA

You tasted a white wine at a winery or wine shop and liked it enough to purchase it. However, you felt it was still a little early for drinking, so you decided to let it rest a bit longer in your home cellar. Six months later, at the dinner table. You kne …

oenology

2025/9/8

The Dark Side of Winemaking? Is Chaptalisation Evil? | On Chaptalisation

The addition of brewing alcohol in sake production and sugar supplementation in winemaking—these practices seem to be quite antagonized in many cases. They give the impression of being the dark side of fermented beverages, untouchable territories, so to s …

oenology

2025/9/3

Alcohol Adjustment in Wine | Considering Water Addition

Global temperatures are rising due to climate change, accelerating the growth of wine grapes accordingly. Warmer winters have caused grape budbreak to occur earlier, and through increasingly hot summers, we can now harvest grapes that are more mature than …

oenology

2025/7/30

Why Grape Aromas Differ from Wine Aromas | Volatile Compounds and Precursors

Aroma is one of the essential elements that cannot be overlooked when enjoying wine. When we pour wine into a glass, we don’t immediately put it to our lips. First, we bring the glass close to our nose and enjoy the aromas that rise from it. Sometimes we …

youtube

2025/7/31

Exploring Wine Diversity

https://www.youtube.com/watch?v=l3zcrR39d8Q In recent years, the concept of “diversity” has become a frequent topic of discussion within the wine industry. However, this diversity does not merely refer to variations within traditional frameworks such as d …

youtube

2025/7/31

The Truth About “Good Vineyards” in Wine

https://www.youtube.com/watch?v=O9hVTlhyZDc Among wine enthusiasts, the belief that “good vineyards” produce quality wines is widely accepted. Wines from vineyards with classifications such as Grand Cru or Premier Cru are often perceived as “distinctly di …

youtube

2025/8/21

The Truth About Natural Wine

https://www.youtube.com/watch?v=Z-SccwUyehI The term “natural wine” remains a perpetual source of heated debate among wine enthusiasts. This phrase has become so ubiquitous that it jumps out at us from Tokyo’s streets in combinations like “natural wine an …

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