Mainly Viticulture - ST Questions 21.11.20 Flashcards
What is the term for unwanted shoots that develop from dormant buds on older wood?
Suckers
What is the name for the stem of a grapevine leaf which connects to the shoot?
Petiole
What is bloom?
A thick waxy coating that protects the fruit from disease, prevents berry dehydration, and collects yeasts and other microbes useful during fermentation
Respiration converts sugar into usable energy called ATP. Which molecule does the acronym ATP refer to?
adenosine triphosphate
Are the following hybrid varieties permitted or not permitted by the EU? Chambourcin Baco Noir Rondo Vidal Blanc Regent
Chambourcin – Not permitted Baco Noir – Not permitted Rondo – Permitted Vidal Blanc – Not permitted Regent – Permitted
Name a metric used for assessing the balance of a vine’s vegetative growth versus its fruit growth.
The Ravaz Index (the ratio of fruit weight to pruning weight)
Give 2 Genus that belong to the Vitaceae family.
Vitis and Muscadinia
Name a species of the of the Muscadinia Genus.
Rotundifolia
How many sunshine hours does Vitis vinifera require to ripen fruit? At least 1000 At least 1250 At least 1500 At least 1750
At least 1250
What is an aeolian soil?
A wind blown soil e.g. Loess
If fluvial soils are weathered, transported, and deposited by rivers and streams. What is the term for soils transported by erosion and gravity?
Colluvial
What is Loam?
A soil texture comprised of a blend of different particle sizes, including sand, silt, and clay.
Soils with a neutral PH are considered ideal for viticulture. What PH range constitutes a neutral PH?
6.5-8
The symbiotic associations of fungi and plant roots are collectively known as what?
Mycorrhizae
Of the 17 essential nutrients required for the healthy function of the vine, most are absorbed through the soil.
Which 3 of these are the most important? nitrogen, phosphorus, and potassium
Which of the following are macronutrients and which are micronutrients? Calcium Iron Manganese Magnesium Sulfur
Calcium – Macronutrient Iron – Micronutrient Manganese – Micronutrient Magnesium – Macronutrient Sulfur – Macronutrient
What are the French and English terms for the system of propagation where a shoot from a vine is laid down into the ground and it roots and forms a new vine that may be separated from the mother vine?
Provignage or Layering
1 ton per acre of grape yield is approximately equal to how many hl/ha of wine?
11–15 hectoliters per hectare
What are Kicker canes?
Sacrificial canes left on spur-pruned vines during pruning used to reduce vine vigour or to avert frost risk to the shoots at spur positions.
What are the French terms for shatter and ‘hens and chicks’?
Coulure and Millerandage
What is the name of the alternative pruning system developed in the 1860s that minimises pruning cuts and manages the vine’s sap flow avoiding large cuts and cuts near the head of the vine?
Guyot-Poussard Pruning
What are NDVIs?
Vineyard maps that demonstrate vine vigour, based on the colour of the canopy, as captured by aerial infrared photography. These maps suggest areas of water stress.
Which fungus causes Powdery Mildew?
Erysiphe necator AKA. Uncinula necator
Which fungal disease is instigated by Guignardia bidwellii?
Black Rot
What is the primary vector for leafroll?
Mealybug
What is the upper limit for copper in organic vineyards in the EU in KG per ha averaged over 7 years?
4 KG per ha
Who developed the biodynamic calendar known as the Farmer’s Almanac and in which year?
Maria Thun, 1962
Which Biodynamic Preparation number corresponds to each of the following treatments?
Dandelion flowers in cow mesentery for compost
Manure from cow 60g/ha with 34L water
Chamomile blossoms in cow’s intestines
Horsetail plant tea to cope with fungal diseases
Dandelion flowers in cow mesentery for compost – 506
Manure from cow 60g/ha with 34L water – 500
Chamomile blossoms in cow’s intestines – 503
Horsetail plant tea to cope with fungal diseases – 508
What is the name of the Protocol formed in 2019, that is a global initiative encouraging growers to adopt practices that combat climate change?
The Porto Protocol
What does the acronym IPM stand for in relation to vineyard maintenance?
Integrated Pest Management
What grade is awarded to a vineyard scored at between 1001-1200 points by the IVDP? And how many points are available in total?
B, 2361.
In Port production what is the term used for the fortification of wine with spirit?
Beneficio
What is the range for residual sugar in g/l for Porto Branco Meio Seco?
60-90 g/l
Which Port houses make the following Single Quinta Ports? Quinta do Roeda Quinta do Silval Quinta da Cavadinha Quinta do Passadouro
Quinta do Roeda – Croft
Quinta do Silval – Quinta do Noval
Quinta da Cavadinha – Warre’s
Quinta do Passadouro – Niepoort
What are the different levels of the Mittelrhein Riesling Charter Classification?
Handstreich, Felsenspiel Meisterstuck
Who produces each of the following Alleinbesitzen? Oberhause Brucke Ruppertsberger Gaisbohl Graacher Josephshofer Hattenheimer Pfaffenberg
Oberhause Brucke – Hermann Donhoff
Ruppertsberger Gaisbohl – Burklin Wolf
Graacher Josephshofer – Reichsgraff von Kesselstatt
Hattenheimer Pfaffenberg - Schloss Schonborn
List the Deutscher Wein Regions.
Bayern, Albrechtsburg, Rhein Mosel, Oberrhein, Neiderlausitz, Neckar, Stargarder Land
In which Anbaugebiet would you find the einzellage Eschendorfer Lump?
Franken
Who produces Barca Velha and which was the first vintage?
Casa Ferreirinha, 1952
List the subs of DO Tejo.
Coruche, Chamusca, Cartaxo, Santarem, Almeirim, Tomar
