Claim · model-written summary
Topping the vine at bloom did not change carbohydrate levels in the shoots at berry shatter.
- Taxon
- Grapet0
- Treatment
- Topping the vine at bloome5
- Outcome
- carbohydrate levels in the shootse5
- Direction
- did not changee5
- Qualifier
- at the time of berry shattere5
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue
Verbatim
t0“Grape Variety, Grenache”
e5“Topping the vine at bloom did not change carbohydrate levels in the shoots at the time of berry shatter, but gave some reduction in vine vigor”
Title
L. A. Lider; N. L. Ferrari; J. J. Kissler American Journal of Enology and Viticulture 1965. doi:10.5344/ajev.1965.16.1.42
Other claims from this paper (11)
- Intervention effect A regulated level of pruning did not entirely overcome the low-yielding tendencies of very vigorous grafted vines.
- Observation Fruiting efficiency of the spur was markedly lower on the vigorous Dogridge stock than on own-rooted Grenache vines.
- Observation The heaviest-yielding vines over six years were on the V. Champini selection Salt Creek.
- Observation Vines on the V. Champini selection Salt Creek showed the best balance between growth and fruit production.
- Intervention effect Girdling during bloom markedly increased total carbohydrate content in the shoots.
- Intervention effect Girdling during bloom decreased total nitrogen level in the shoots.
- Intervention effect Girdling increased yields only of the vigorous vines on Dogridge.
- Intervention effect Topping the vine at bloom gave some reduction in vine vigor.
- Intervention effect A foliar spray of maleic hydrazide at 500 ppm during bloom was not effective in changing nutrient levels in the shoots.
- Observation Maleic hydrazide was followed by evident leaf symptoms late in the growing season.
- Observation Maleic hydrazide was followed by a reduction in shoot elongation late in the growing season.