Claim · model-written summary
Vines with severe red-leaf condition had about 60% or more red leaves by the middle of October.
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirection
Verbatim
e7“Vines having a severe red-leaf condition developed red leaves at about the same time as the intermediate red-leaf group, but by the middle of October these vines had about 60% or more red leaves”
t0“Ruby Cabernet”
Title
The Effect of Virus Infections on Vines, Fruit and Wines of Ruby Cabernet
C. J. Alley; A. C. Goheen; H. P. Olmo; et al. American Journal of Enology and Viticulture 1963. doi:10.5344/ajev.1963.14.3.164
Other claims from this paper (12)
- Association Vines with slight red-leaf condition matured their fruit about 2 weeks earlier than vines with severe red-leaf condition.
- Association Vines with intermediate red-leaf condition matured their fruit at the same time as, or slightly later than, vines with slight red-leaf condition.
- Association Vein banding did not affect fruit maturity.
- Association Vein banding slightly reduced yield.
- Association Vines with slight red-leaf condition produced an average of 5-8 lb more fruit per vine than vines with severe red-leaf condition.
- Association Vines with intermediate red-leaf condition were intermediate in production.
- Observation Vines with slight red-leaf condition did not develop over 3% red leaves through the season, with or without vein banding.
- Observation Vines with intermediate red-leaf condition developed red leaves about August.
- Observation Vines with intermediate red-leaf condition reached that condition about the middle of October.
- Association Vines with severe red-leaf condition developed red leaves at about the same time as the intermediate red-leaf group.
- Association Wines from severe red-leaf vines tended to be lower in alcohol, color and tannin than wines from slight red-leaf vines.
- Association Sensory examination detected no differences in wine quality between leaf-colour categories.