VEN 101 A Final Exam 100% Verified Answers

VEN 101 A Final Exam 100% Verified Answers What's the order to evaluating grapevine? - answerLook at leaves: serrations, sinuses, lobing. Look at leaf surface: smooth, bumpy, concave, convex. Hairs: glaborous, cobwebby, pubescbent, downy, felty. Clusters: shouldered, winged, double clustered, loose, well filled, compact. Peduncle - answerHolds the cluster to the trunk. Develops into the rachis and ends in the pedicel. Oblate - answerFlattened at the pole. Think Palomino berry. Count Shoot - answerTwo shoots that originate from the two bud spurs Pedicle - answerThe berry stem Reniform - answerkidney bean shaped Name 4 of these large regions of V. vinifera, and list two leaf or fruit characters that typifies the regional characteristics, and list a variety from each region. - answerWestern European: small leaves, small clusters, round berries Middle Eastern: table grape types, large floppy leaves, thin, glabrous. Large clusters with larger berries. Very large, irregular teeth. Eastern European: Intermediate sized leaves, larger teeth, more tomentum. The hairy Italians. North African: Large leaves, glabrous, irregular teeth med to large berries and clusters. Carignane and Tempranillo. Name the 3 Vitis species that were used in 95% of the rootstock breeding and list 2 key characteristics they possess that can help you estimate how they might be used as a rootstock. - answerrupestris: phylloxera resistantant, drought tolerant (not very), easy to root, virus tolerant riparia: phylloxera resistant, easy to propagate, drought suceptible, hasten maturity. berlandieri: Lime tolerant, phylloxera resistant. Hard to root. Drought tolerant. Name 3 different Vitis species (other than those you listed in Question 3) that have been used in rootstock breeding over the last 40 years and list why they were used in breedin - answerChampinii: limestone resistant. High nematode resistance, moderate phylloxera. Difficult to root. Longii/Acerfolia: Good drought tolerance and nematode, easy to root. rotundifolia: Muscadine grapes. Resistant to most pests. Rank these cultivars in the order in which they will ripen (early, midseason or late): Merlot, Cabernet Sauvignon, Pinot noir, Sauvignon blanc and Syrah - answerSauvignon Blanc, Pinot Noir, Merlot/Syrah, Cabernet Sauvignon 25 acres of deep sandy (NEMATODE) river bottom soil in the Monterey Valley, was a vegetable crop production area, 10-15 inches of rainfall (above 20 you can dry farm)/yr but high water table from Salinas River (region II) - answerSoil-bourne pest problems: suspect nematode - vegetables Rootstock choice: want moderate vigor with nema resistance - 101-14, 5C, 5BB, 1616C Grape cultivar: Cool climate red or white Chard, PN 2 acres of Rutherford bench (most expensive soil in Napa) deep clay-loam soil, current vineyards yields have been chronically low, and leaves have chlorosis along the veins in the Fall, ≈30 inches of rain/yr (region III) - answerSoil-bourn