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Dornfelder Wiki2Web Clarity Challenge

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Study Guide: Dornfelder Grape: Viticulture and Winemaking Characteristics

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Dornfelder Grape: Viticulture and Winemaking Characteristics Study Guide

Origins and Breeding of Dornfelder

The Dornfelder grape varietal was developed by August Herold in Germany.

Answer: True

Explanation: Indeed, the Dornfelder varietal was developed by August Herold, a significant figure in German grape breeding, at the Weinsberg Research Center.

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Dornfelder was created in 1979 as a result of a cross between Helfensteiner and Heroldrebe grapes.

Answer: False

Explanation: The creation date for Dornfelder is incorrect; it was developed in 1955, not 1979. The parentage, Helfensteiner and Heroldrebe, is accurate.

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Immanuel August Ludwig Dornfeld, a senior civil servant, was the breeder responsible for creating the Dornfelder grape.

Answer: False

Explanation: While Immanuel August Ludwig Dornfeld is honored by the varietal's name, he was not the breeder. The varietal was developed by August Herold.

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Dornfelder was created in 1956 at the Weinsberg Research Center in Baden-Württemberg.

Answer: True

Explanation: The Dornfelder varietal was indeed developed in 1956 at the Weinsberg Research Center, located in the Baden-Württemberg region of Germany.

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Dornfelder's parent grape, Helfensteiner, is a cross between Frueburgunder and Trollinger.

Answer: True

Explanation: Helfensteiner, one of Dornfelder's parent varietals, is indeed a crossbreed of Frueburgunder and Trollinger.

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Who is credited with developing the Dornfelder grape varietal?

Answer: August Herold

Explanation: August Herold is credited with the development of the Dornfelder grape varietal at the Weinsberg Research Center.

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In what year was Dornfelder officially created as a crossbreed?

Answer: 1955

Explanation: Dornfelder was officially created as a crossbreed in the year 1955.

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Dornfelder was named in honor of whom?

Answer: Immanuel August Ludwig Dornfeld, a senior civil servant

Explanation: The varietal Dornfelder was named in honor of Immanuel August Ludwig Dornfeld, a senior civil servant influential in German viticulture.

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What is the parentage of the Heroldrebe grape, one of Dornfelder's ancestors?

Answer: Blauer Portugieser and Blaufränkisch

Explanation: The Heroldrebe grape, an ancestor of Dornfelder, is a crossbreed of Blauer Portugieser and Blaufränkisch.

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Viticultural Profile of Dornfelder

The Dornfelder grape varietal is primarily utilized for the production of white wines, attributed to its pale skin pigmentation.

Answer: False

Explanation: This assertion is factually inaccurate. Dornfelder is a dark-skinned varietal predominantly employed in the production of red wines, valued for its deep color, not pale skin.

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Compared to Spätburgunder, Dornfelder is considered more challenging to cultivate.

Answer: False

Explanation: Dornfelder is generally considered easier to cultivate than Spätburgunder, offering several viticultural advantages such as disease resistance and consistent yields.

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Dornfelder is a low-yielding grape varietal, typically producing less than 50 hectoliters per hectare.

Answer: False

Explanation: Dornfelder is known for its vigorous growth and high-yielding potential, capable of producing significantly more than 50 hectoliters per hectare, though quality-focused producers manage yields lower.

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Dornfelder grapes have thin skins that offer poor resistance to fungal diseases.

Answer: False

Explanation: Dornfelder grapes possess thick skins, which provide robust resistance to fungal infections, contributing to the varietal's overall hardiness in the vineyard.

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Anthocyanins, found in Dornfelder's thick skins, contribute to the grape's pale color.

Answer: False

Explanation: Anthocyanins, present in Dornfelder's thick skins, are responsible for the grape's deep red color, not a pale hue.

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Harvest yields have minimal impact on the quality of Dornfelder wine.

Answer: False

Explanation: Harvest yields significantly influence the quality of Dornfelder wine; lower yields generally result in more concentrated flavors and improved structure.

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The thick skins of Dornfelder grapes are low in phenolic compounds like anthocyanins.

Answer: False

Explanation: Dornfelder's thick skins are rich in phenolic compounds, including anthocyanins, which are crucial for color development in the resulting wines.

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Dornfelder's robust nature is partly due to its thick skins offering good resistance to fungal infections.

Answer: True

Explanation: The robust nature of Dornfelder in the vineyard is indeed partly attributed to its thick skins, which provide effective resistance against common fungal diseases.

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Dornfelder ripens later than Lemberger, making it less suitable for cooler German climates.

Answer: False

Explanation: Dornfelder ripens earlier than Lemberger, which contributes to its suitability for cultivation in cooler German climates.

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How does Dornfelder generally compare to Spätburgunder in terms of cultivation ease?

Answer: Dornfelder is generally easier to grow.

Explanation: In general, Dornfelder presents fewer cultivation challenges compared to Spätburgunder, offering advantages in disease resistance and yield consistency.

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What is the typical high yield potential for Dornfelder per hectare?

Answer: Up to 120 hectoliters per hectare

Explanation: Dornfelder is recognized for its vigorous growth and high yield potential, capable of producing up to 120 hectoliters per hectare under optimal conditions.

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What characteristic of Dornfelder's skins contributes to its robustness in the vineyard?

Answer: Their thickness, providing good resistance to fungal diseases.

Explanation: The thickness of Dornfelder's skins is a key characteristic that confers robustness by providing significant resistance to fungal diseases.

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Which of the following is a characteristic that makes Dornfelder easier to cultivate compared to some other German red varieties?

Answer: Ripens earlier than Lemberger

Explanation: Dornfelder's earlier ripening time compared to Lemberger is one characteristic that contributes to its relative ease of cultivation in German climates.

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Oenological Characteristics and Wine Profile

Dornfelder enabled German winemakers to produce red wines with less color intensity compared to traditional German reds.

Answer: False

Explanation: Contrary to this statement, Dornfelder facilitated the production of red wines with *greater* color intensity, addressing a historical limitation of many German red varietals.

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Dornfelder wines are generally known for their lack of acidity and poor aging potential.

Answer: False

Explanation: Dornfelder wines are typically characterized by good acidity and possess potential for aging, particularly when produced with quality-focused methods and barrique aging.

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Higher-quality Dornfelder wines often exhibit a velvety texture and may include notes of plums and blackberries.

Answer: True

Explanation: Indeed, elevated quality Dornfelder wines are frequently described by their velvety texture and characteristic flavor notes of plums and blackberries.

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Dornfelder wines typically have a light, watery texture and low acidity.

Answer: False

Explanation: Dornfelder wines are generally characterized by a rich texture and good acidity, contributing to their structure and balance.

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Modern Dornfelder wines are typically fermented to be slightly sweet, unlike early styles.

Answer: False

Explanation: Modern Dornfelder wines are predominantly fermented dry, often exhibiting notes of sour cherry, contrasting with some earlier styles that might have retained a slight sweetness.

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Floral notes are rarely found in Dornfelder wines, which typically only exhibit fruit flavors.

Answer: False

Explanation: Floral notes can be present in Dornfelder wines, often complementing the typical fruit flavors of plums, blackberries, and cherries.

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What is the primary use of the Dornfelder grape varietal?

Answer: Producing red wines with a deep color and international appeal.

Explanation: The principal application of Dornfelder is in the production of red wines, valued for their deep color and broad international market appeal.

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Which of the following is a characteristic of Dornfelder wine mentioned in the source?

Answer: Good acidity and potential to benefit from barrique aging.

Explanation: Dornfelder wines are noted for possessing good acidity and demonstrating a capacity to benefit from barrique aging, which enhances complexity.

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Which of the following is a common flavor note found in higher-quality Dornfelder wines?

Answer: Plums, blackberries, and cherries

Explanation: Higher-quality Dornfelder wines frequently exhibit characteristic flavor notes of plums, blackberries, and cherries, often accompanied by a velvety texture.

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What role do anthocyanins play in Dornfelder wine?

Answer: They contribute to the deep red color.

Explanation: Anthocyanins, found in the grape skins, are the primary phenolic compounds responsible for imparting the characteristic deep red color to Dornfelder wines.

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Which statement best describes the typical mouthfeel of Dornfelder wine?

Answer: Soft and rich

Explanation: Dornfelder wines are typically characterized by a soft and rich mouthfeel, contributing to their approachable and pleasing texture.

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How do most modern Dornfelder wines typically differ from the early 'Beaujolais nouveau' style?

Answer: They are fermented dry and often show sour cherry notes.

Explanation: Modern Dornfelder wines are typically fermented dry and frequently exhibit notes of sour cherry, distinguishing them from some earlier, potentially sweeter styles.

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What characteristic of Dornfelder grapes makes them particularly suitable for producing deeply colored red wines?

Answer: Thick skins rich in anthocyanins

Explanation: The thick skins of Dornfelder grapes, which are rich in anthocyanins, are the primary characteristic enabling the production of deeply colored red wines.

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Historical Trajectory and Market Development

Dornfelder received official varietal protection and was made available for cultivation in 1979.

Answer: True

Explanation: Official varietal protection and release for cultivation were granted to Dornfelder in 1979, marking a significant milestone in its acceptance.

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Dornfelder surpassed Blauer Portugieser in planted area in Germany in the year 2001.

Answer: True

Explanation: The year 2001 marked a significant point when Dornfelder's planted acreage in Germany exceeded that of Blauer Portugieser.

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In 2006, approximately 20,000 hectares were dedicated to Dornfelder cultivation in Germany.

Answer: False

Explanation: The reported acreage for Dornfelder cultivation in Germany in 2006 was approximately 8,231 hectares, not 20,000.

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The initial purpose of creating Dornfelder was to produce wines with very light color.

Answer: False

Explanation: The primary objective behind Dornfelder's creation was to introduce a varietal capable of producing red wines with substantial color intensity, thereby enhancing the visual appeal of German reds.

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Dornfelder plantings remained minimal throughout the late 20th century, only doubling between 2000 and 2006.

Answer: False

Explanation: Dornfelder plantings experienced substantial growth throughout the late 20th century, not remaining minimal. The acreage more than doubled between 2000 and 2006, indicating significant expansion.

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Early Dornfelder wines were often made in the style of Beaujolais nouveau using carbonic maceration.

Answer: True

Explanation: Indeed, early winemaking practices for Dornfelder frequently employed carbonic maceration to emulate the style of Beaujolais nouveau, yielding lighter, fruitier wines.

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When did Dornfelder gain official varietal protection and become available for wider cultivation?

Answer: 1979

Explanation: Dornfelder achieved official varietal protection and became available for broader cultivation in 1979.

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What significant contribution did Dornfelder make to German red winemaking?

Answer: It allowed for the production of red wines with greater depth of color and international appeal.

Explanation: Dornfelder significantly contributed to German red winemaking by enabling the production of wines with enhanced color depth and broader international market appeal.

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In what year did Dornfelder surpass Blauer Portugieser in acreage in Germany?

Answer: 2001

Explanation: The year 2001 marked the point at which Dornfelder's planted area in Germany exceeded that of Blauer Portugieser.

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Approximately how many hectares were dedicated to Dornfelder cultivation in Germany in 2006?

Answer: 8,231 hectares

Explanation: In 2006, approximately 8,231 hectares were dedicated to Dornfelder cultivation in Germany.

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What was the initial primary goal behind the creation of the Dornfelder grape?

Answer: To add much-needed color to German red wines.

Explanation: The initial primary objective for creating Dornfelder was to enhance the color intensity of German red wines, addressing a common limitation.

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What technique was often employed early in Dornfelder's history to produce wines in the style of Beaujolais nouveau?

Answer: Carbonic maceration

Explanation: Carbonic maceration was a frequently employed technique in early Dornfelder winemaking to achieve styles reminiscent of Beaujolais nouveau.

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Global Cultivation and Regional Significance

Dornfelder is the most widely grown red wine grape varietal in Germany.

Answer: False

Explanation: Dornfelder ranks as the second most widely cultivated red wine varietal in Germany, surpassed by Spätburgunder.

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The Rheinhessen and Palatinate regions are not significant areas for Dornfelder cultivation in Germany.

Answer: False

Explanation: Conversely, the Rheinhessen and Palatinate regions are recognized as particularly significant areas for Dornfelder cultivation within Germany.

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The majority of Dornfelder plantings worldwide are located outside of Germany.

Answer: False

Explanation: The overwhelming majority of Dornfelder plantings are situated within Germany, its country of origin.

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Dornfelder is commonly found in wine regions such as Switzerland, England, and the Czech Republic.

Answer: True

Explanation: Dornfelder cultivation has extended beyond Germany to include notable plantings in Switzerland, England, and the Czech Republic, among other regions.

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In England, Dornfelder has primarily been used for producing red wines, with less use for rosé or sparkling.

Answer: False

Explanation: In England, Dornfelder has historically been utilized more for the production of rosé and sparkling wines, with its application in red wine production being less prevalent.

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Dornfelder plantings in Switzerland are primarily concentrated in the cantons of Schwyz and Zürich.

Answer: True

Explanation: In Switzerland, Dornfelder cultivation is notably concentrated within the cantons of Schwyz and Zürich.

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Dornfelder grapes are grown in the Lodi AVA and Sta. Rita Hills AVA in California.

Answer: True

Explanation: California's viticultural landscape includes Dornfelder cultivation within the Lodi AVA and the Sta. Rita Hills AVA.

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Dornfelder is also cultivated in New York's Finger Lakes AVA, Pennsylvania, and Virginia.

Answer: True

Explanation: Beyond California, Dornfelder plantings are found in New York's Finger Lakes AVA, as well as in Pennsylvania and Virginia.

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In Canada, Dornfelder grapes are primarily found in the Okanagan Valley region.

Answer: False

Explanation: Canadian Dornfelder plantings are primarily located on Vancouver Island in British Columbia, not the Okanagan Valley.

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Dornfelder is grown in the Rio Grande do Sul region of Brazil and on the island of Hokkaido in Japan.

Answer: True

Explanation: Dornfelder cultivation extends to South America, specifically the Rio Grande do Sul region of Brazil, and Asia, with plantings on Hokkaido island in Japan.

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What is Dornfelder's rank among red wine grape varieties planted in Germany?

Answer: Second

Explanation: Dornfelder holds the position of the second most widely planted red wine grape varietal within Germany.

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Which two German wine regions are particularly noted for their success with Dornfelder?

Answer: Rheinhessen and Palatinate

Explanation: The Rheinhessen and Palatinate regions are recognized as key areas where Dornfelder cultivation has achieved notable success in Germany.

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Where are the vast majority of Dornfelder plantings located globally?

Answer: Germany

Explanation: Globally, the vast majority of Dornfelder plantings are concentrated within Germany, its country of origin.

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How have English wine producers primarily utilized Dornfelder?

Answer: Mainly for rosé and sparkling wines.

Explanation: In England, Dornfelder has predominantly been employed for the production of rosé and sparkling wines.

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Besides Germany, which other European country has notable plantings of Dornfelder, primarily in Schwyz and Zürich?

Answer: Switzerland

Explanation: Switzerland, particularly in the cantons of Schwyz and Zürich, is a European country with notable plantings of Dornfelder outside of Germany.

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In the United States, Dornfelder plantings can be found in which California AVAs?

Answer: Lodi and Sta. Rita Hills

Explanation: Within California, Dornfelder plantings are located in the Lodi AVA and the Sta. Rita Hills AVA.

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Which US state, besides California, is mentioned as growing Dornfelder in the Finger Lakes AVA?

Answer: New York

Explanation: New York is the US state mentioned, specifically its Finger Lakes AVA, as cultivating Dornfelder, in addition to California.

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Where in Canada can Dornfelder plantings be found?

Answer: Vancouver Island, British Columbia

Explanation: In Canada, Dornfelder plantings are located on Vancouver Island, British Columbia.

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Which of the following is NOT listed as a country with Dornfelder plantings outside of Germany?

Answer: Australia

Explanation: Australia is not listed among the countries with Dornfelder plantings outside of Germany; Japan, Brazil, and the United States are mentioned.

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What does the image of a vineyard in Devon, England, illustrate regarding Dornfelder?

Answer: The cultivation of Dornfelder outside its native Germany.

Explanation: An image of a vineyard in Devon, England, illustrates the cultivation of Dornfelder outside its native Germany, demonstrating its international reach.

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Grape Identification, Genetics, and Progeny

Acolon and Monarch are examples of new grape varieties developed using Dornfelder as a parent.

Answer: True

Explanation: Acolon and Monarch are indeed among the newer grape varietals that have been successfully developed through crosses involving Dornfelder.

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The breeding codes 'Weinsberg S 341' and 'We S 341' are considered official synonyms for Dornfelder.

Answer: True

Explanation: The breeding codes 'Weinsberg S 341' and 'We S 341' are indeed recognized as the sole official synonyms for the Dornfelder varietal.

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The Vitis International Variety Catalogue (VIVC) number for Dornfelder is 3659.

Answer: True

Explanation: The Vitis International Variety Catalogue (VIVC) assigns the unique identifier number 3659 to the Dornfelder grape varietal.

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Dornfelder belongs to the Vitis labrusca species, common in North America.

Answer: False

Explanation: Dornfelder is classified under the Vitis vinifera species, the common European grapevine, not Vitis labrusca.

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The VIVC number 3659 is a unique identifier for the Cabernet Sauvignon grape variety.

Answer: False

Explanation: The VIVC number 3659 is the unique identifier for the Dornfelder grape varietal, not Cabernet Sauvignon.

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The breeding code 'We S 341' refers to the origin of Dornfelder from the Weinsberg research institute.

Answer: True

Explanation: The breeding code 'We S 341' indeed signifies Dornfelder's origin as a seedling from the Weinsberg research institute.

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Dornfelder is a hybrid grape created by crossing Vitis vinifera with Vitis labrusca.

Answer: False

Explanation: Dornfelder is a varietal belonging to the Vitis vinifera species; it is not a hybrid resulting from a cross with Vitis labrusca.

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Which of the following is a new grape variety developed using Dornfelder as a parent?

Answer: Acolon

Explanation: Acolon is one of the notable new grape varieties that has been developed using Dornfelder as a parent varietal.

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What are the only known synonyms for Dornfelder?

Answer: Weinsberg S 341 and We S 341

Explanation: The only officially recognized synonyms for Dornfelder are its breeding codes: Weinsberg S 341 and We S 341.

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What does the VIVC number 3659 identify?

Answer: The Dornfelder grape varietal.

Explanation: The VIVC number 3659 serves as the unique international identifier for the Dornfelder grape varietal within the Vitis International Variety Catalogue.

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What species does the Dornfelder grape belong to?

Answer: Vitis vinifera

Explanation: Dornfelder belongs to the Vitis vinifera species, which encompasses the vast majority of cultivated wine grapes worldwide.

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What does the family tree image of Dornfelder visually represent?

Answer: The genetic lineage and parentage of Dornfelder.

Explanation: The family tree image visually represents the genetic lineage and parentage of the Dornfelder grape, illustrating its ancestral connections.

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